Quick view Details sku: ZN-4-PTH STAPERM™ZN-4-PTH MSRP: Now: $110.00 Add to Cart Compare Quick view Details sku: CU-4-PTH STAPERM™CU-4-PTH MSRP: Now: $118.00 View Details Compare Quick view Details sku: AG-4-PT STAPERM™ Model AG-4-PT MSRP: Now: $126.00 View Details Compare Quick view Details sku: ZN-4-PT STAPERM™ Model ZN-4-PT MSRP: Now: $94.00 View Details Compare Quick view Details sku: CU-4-PT-ROUND STAPERM™ Model CU-4-PT (Round Plug) MSRP: Now: $102.00 Add to Cart Compare Quick view Details sku: AG-6-TH Silver Silver Chloride AG-6-TH MSRP: Now: $838.95 Add to Cart Compare Quick view Details sku: AG-5-SW GMC Deltaperm Apache™ MSRP: Now: $379.05 Add to Cart Compare Quick view Details sku: AG-3-SW STAPERM™ Model AG-3-SW For Salt Water Service MSRP: Now: $186.90 Add to Cart Compare Quick view Details sku: AG-4-UG STAPERM™ Model AG-4-UG MSRP: Now: $186.90 Add to Cart Compare Quick view Details sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC MSRP: Now: $186.90 Add to Cart Compare Quick view Details sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH MSRP: Now: $734.00 Add to Cart Compare Quick view Details sku: ZN-4-FW STAPERM™ Model ZN-4-FW MSRP: Now: $136.00 Add to Cart Compare Quick view sku: ZN-4-PTH STAPERM™ZN-4-PTH Features MSRP: Now: $110.00 Add to Cart Compare Quick view sku: CU-4-PTH STAPERM™CU-4-PTH Features MSRP: Now: $118.00 View Details Compare Quick view sku: AG-4-PT STAPERM™ Model AG-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact blue housing Sta MSRP: Now: $126.00 View Details Compare Quick view sku: ZN-4-PT STAPERM™ Model ZN-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact red housing Stab MSRP: Now: $94.00 View Details Compare Quick view sku: CU-4-PT-ROUND STAPERM™ Model CU-4-PT (Round Plug) Portable Gel Filled Reference Electrode is equipped with pre-calibrated gel which eliminates the need for mixing copper sulphate crystals for ease of use. Connection Stud: 1/4"-20 copper MSRP: Now: $102.00 Add to Cart Compare Quick view sku: AG-6-TH Silver Silver Chloride AG-6-TH The GMC STAPERM™thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction box,... MSRP: Now: $838.95 Add to Cart Compare Quick view sku: AG-5-SW GMC Deltaperm Apache™ Permanent / portable, highly stable, deep-water silver - silver chloridereference electrode for use in salt water or saline water conditions: MSRP: Now: $379.05 Add to Cart Compare Quick view sku: AG-3-SW STAPERM™ Model AG-3-SW For Salt Water Service Size:1" dia. x 8" long ABS plastic high impact blue tube MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UG STAPERM™ Model AG-4-UG Size: 2" dia. x 7" long high impact ABS plastic tube. Packaging: Special non-polarizing backfilled in blue cotton bag. MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC Size: 1.5" dia. x 6" long, space-age ceramic tube with blue protective caps Lead Wire: 30' OF #14 RHH-RHW cable. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F... MSRP: Now: $186.90 Add to Cart Compare Quick view sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH The GMC STAPERM™ thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction... MSRP: Now: $734.00 Add to Cart Compare Quick view sku: ZN-4-FW STAPERM™ Model ZN-4-FW Size: 1" dia. x 8" long ABS plastic high impact red tube. Contact Plug: 1" diameter porous ceramic Lead Wire: 30' OF MSRP: Now: $136.00 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: CU-4-PTH STAPERM™CU-4-PTH MSRP: Now: $118.00 View Details Compare Quick view Details sku: AG-4-PT STAPERM™ Model AG-4-PT MSRP: Now: $126.00 View Details Compare Quick view Details sku: ZN-4-PT STAPERM™ Model ZN-4-PT MSRP: Now: $94.00 View Details Compare Quick view Details sku: CU-4-PT-ROUND STAPERM™ Model CU-4-PT (Round Plug) MSRP: Now: $102.00 Add to Cart Compare Quick view Details sku: AG-6-TH Silver Silver Chloride AG-6-TH MSRP: Now: $838.95 Add to Cart Compare Quick view Details sku: AG-5-SW GMC Deltaperm Apache™ MSRP: Now: $379.05 Add to Cart Compare Quick view Details sku: AG-3-SW STAPERM™ Model AG-3-SW For Salt Water Service MSRP: Now: $186.90 Add to Cart Compare Quick view Details sku: AG-4-UG STAPERM™ Model AG-4-UG MSRP: Now: $186.90 Add to Cart Compare Quick view Details sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC MSRP: Now: $186.90 Add to Cart Compare Quick view Details sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH MSRP: Now: $734.00 Add to Cart Compare Quick view Details sku: ZN-4-FW STAPERM™ Model ZN-4-FW MSRP: Now: $136.00 Add to Cart Compare Quick view sku: ZN-4-PTH STAPERM™ZN-4-PTH Features MSRP: Now: $110.00 Add to Cart Compare Quick view sku: CU-4-PTH STAPERM™CU-4-PTH Features MSRP: Now: $118.00 View Details Compare Quick view sku: AG-4-PT STAPERM™ Model AG-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact blue housing Sta MSRP: Now: $126.00 View Details Compare Quick view sku: ZN-4-PT STAPERM™ Model ZN-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact red housing Stab MSRP: Now: $94.00 View Details Compare Quick view sku: CU-4-PT-ROUND STAPERM™ Model CU-4-PT (Round Plug) Portable Gel Filled Reference Electrode is equipped with pre-calibrated gel which eliminates the need for mixing copper sulphate crystals for ease of use. Connection Stud: 1/4"-20 copper MSRP: Now: $102.00 Add to Cart Compare Quick view sku: AG-6-TH Silver Silver Chloride AG-6-TH The GMC STAPERM™thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction box,... MSRP: Now: $838.95 Add to Cart Compare Quick view sku: AG-5-SW GMC Deltaperm Apache™ Permanent / portable, highly stable, deep-water silver - silver chloridereference electrode for use in salt water or saline water conditions: MSRP: Now: $379.05 Add to Cart Compare Quick view sku: AG-3-SW STAPERM™ Model AG-3-SW For Salt Water Service Size:1" dia. x 8" long ABS plastic high impact blue tube MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UG STAPERM™ Model AG-4-UG Size: 2" dia. x 7" long high impact ABS plastic tube. Packaging: Special non-polarizing backfilled in blue cotton bag. MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC Size: 1.5" dia. x 6" long, space-age ceramic tube with blue protective caps Lead Wire: 30' OF #14 RHH-RHW cable. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F... MSRP: Now: $186.90 Add to Cart Compare Quick view sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH The GMC STAPERM™ thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction... MSRP: Now: $734.00 Add to Cart Compare Quick view sku: ZN-4-FW STAPERM™ Model ZN-4-FW Size: 1" dia. x 8" long ABS plastic high impact red tube. Contact Plug: 1" diameter porous ceramic Lead Wire: 30' OF MSRP: Now: $136.00 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: AG-4-PT STAPERM™ Model AG-4-PT MSRP: Now: $126.00 View Details Compare Quick view Details sku: ZN-4-PT STAPERM™ Model ZN-4-PT MSRP: Now: $94.00 View Details Compare Quick view Details sku: CU-4-PT-ROUND STAPERM™ Model CU-4-PT (Round Plug) MSRP: Now: $102.00 Add to Cart Compare Quick view Details sku: AG-6-TH Silver Silver Chloride AG-6-TH MSRP: Now: $838.95 Add to Cart Compare Quick view Details sku: AG-5-SW GMC Deltaperm Apache™ MSRP: Now: $379.05 Add to Cart Compare Quick view Details sku: AG-3-SW STAPERM™ Model AG-3-SW For Salt Water Service MSRP: Now: $186.90 Add to Cart Compare Quick view Details sku: AG-4-UG STAPERM™ Model AG-4-UG MSRP: Now: $186.90 Add to Cart Compare Quick view Details sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC MSRP: Now: $186.90 Add to Cart Compare Quick view Details sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH MSRP: Now: $734.00 Add to Cart Compare Quick view Details sku: ZN-4-FW STAPERM™ Model ZN-4-FW MSRP: Now: $136.00 Add to Cart Compare Quick view sku: ZN-4-PTH STAPERM™ZN-4-PTH Features MSRP: Now: $110.00 Add to Cart Compare Quick view sku: CU-4-PTH STAPERM™CU-4-PTH Features MSRP: Now: $118.00 View Details Compare Quick view sku: AG-4-PT STAPERM™ Model AG-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact blue housing Sta MSRP: Now: $126.00 View Details Compare Quick view sku: ZN-4-PT STAPERM™ Model ZN-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact red housing Stab MSRP: Now: $94.00 View Details Compare Quick view sku: CU-4-PT-ROUND STAPERM™ Model CU-4-PT (Round Plug) Portable Gel Filled Reference Electrode is equipped with pre-calibrated gel which eliminates the need for mixing copper sulphate crystals for ease of use. Connection Stud: 1/4"-20 copper MSRP: Now: $102.00 Add to Cart Compare Quick view sku: AG-6-TH Silver Silver Chloride AG-6-TH The GMC STAPERM™thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction box,... MSRP: Now: $838.95 Add to Cart Compare Quick view sku: AG-5-SW GMC Deltaperm Apache™ Permanent / portable, highly stable, deep-water silver - silver chloridereference electrode for use in salt water or saline water conditions: MSRP: Now: $379.05 Add to Cart Compare Quick view sku: AG-3-SW STAPERM™ Model AG-3-SW For Salt Water Service Size:1" dia. x 8" long ABS plastic high impact blue tube MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UG STAPERM™ Model AG-4-UG Size: 2" dia. x 7" long high impact ABS plastic tube. Packaging: Special non-polarizing backfilled in blue cotton bag. MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC Size: 1.5" dia. x 6" long, space-age ceramic tube with blue protective caps Lead Wire: 30' OF #14 RHH-RHW cable. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F... MSRP: Now: $186.90 Add to Cart Compare Quick view sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH The GMC STAPERM™ thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction... MSRP: Now: $734.00 Add to Cart Compare Quick view sku: ZN-4-FW STAPERM™ Model ZN-4-FW Size: 1" dia. x 8" long ABS plastic high impact red tube. Contact Plug: 1" diameter porous ceramic Lead Wire: 30' OF MSRP: Now: $136.00 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: ZN-4-PT STAPERM™ Model ZN-4-PT MSRP: Now: $94.00 View Details Compare Quick view Details sku: CU-4-PT-ROUND STAPERM™ Model CU-4-PT (Round Plug) MSRP: Now: $102.00 Add to Cart Compare Quick view Details sku: AG-6-TH Silver Silver Chloride AG-6-TH MSRP: Now: $838.95 Add to Cart Compare Quick view Details sku: AG-5-SW GMC Deltaperm Apache™ MSRP: Now: $379.05 Add to Cart Compare Quick view Details sku: AG-3-SW STAPERM™ Model AG-3-SW For Salt Water Service MSRP: Now: $186.90 Add to Cart Compare Quick view Details sku: AG-4-UG STAPERM™ Model AG-4-UG MSRP: Now: $186.90 Add to Cart Compare Quick view Details sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC MSRP: Now: $186.90 Add to Cart Compare Quick view Details sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH MSRP: Now: $734.00 Add to Cart Compare Quick view Details sku: ZN-4-FW STAPERM™ Model ZN-4-FW MSRP: Now: $136.00 Add to Cart Compare Quick view sku: ZN-4-PTH STAPERM™ZN-4-PTH Features MSRP: Now: $110.00 Add to Cart Compare Quick view sku: CU-4-PTH STAPERM™CU-4-PTH Features MSRP: Now: $118.00 View Details Compare Quick view sku: AG-4-PT STAPERM™ Model AG-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact blue housing Sta MSRP: Now: $126.00 View Details Compare Quick view sku: ZN-4-PT STAPERM™ Model ZN-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact red housing Stab MSRP: Now: $94.00 View Details Compare Quick view sku: CU-4-PT-ROUND STAPERM™ Model CU-4-PT (Round Plug) Portable Gel Filled Reference Electrode is equipped with pre-calibrated gel which eliminates the need for mixing copper sulphate crystals for ease of use. Connection Stud: 1/4"-20 copper MSRP: Now: $102.00 Add to Cart Compare Quick view sku: AG-6-TH Silver Silver Chloride AG-6-TH The GMC STAPERM™thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction box,... MSRP: Now: $838.95 Add to Cart Compare Quick view sku: AG-5-SW GMC Deltaperm Apache™ Permanent / portable, highly stable, deep-water silver - silver chloridereference electrode for use in salt water or saline water conditions: MSRP: Now: $379.05 Add to Cart Compare Quick view sku: AG-3-SW STAPERM™ Model AG-3-SW For Salt Water Service Size:1" dia. x 8" long ABS plastic high impact blue tube MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UG STAPERM™ Model AG-4-UG Size: 2" dia. x 7" long high impact ABS plastic tube. Packaging: Special non-polarizing backfilled in blue cotton bag. MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC Size: 1.5" dia. x 6" long, space-age ceramic tube with blue protective caps Lead Wire: 30' OF #14 RHH-RHW cable. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F... MSRP: Now: $186.90 Add to Cart Compare Quick view sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH The GMC STAPERM™ thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction... MSRP: Now: $734.00 Add to Cart Compare Quick view sku: ZN-4-FW STAPERM™ Model ZN-4-FW Size: 1" dia. x 8" long ABS plastic high impact red tube. Contact Plug: 1" diameter porous ceramic Lead Wire: 30' OF MSRP: Now: $136.00 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: CU-4-PT-ROUND STAPERM™ Model CU-4-PT (Round Plug) MSRP: Now: $102.00 Add to Cart Compare Quick view Details sku: AG-6-TH Silver Silver Chloride AG-6-TH MSRP: Now: $838.95 Add to Cart Compare Quick view Details sku: AG-5-SW GMC Deltaperm Apache™ MSRP: Now: $379.05 Add to Cart Compare Quick view Details sku: AG-3-SW STAPERM™ Model AG-3-SW For Salt Water Service MSRP: Now: $186.90 Add to Cart Compare Quick view Details sku: AG-4-UG STAPERM™ Model AG-4-UG MSRP: Now: $186.90 Add to Cart Compare Quick view Details sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC MSRP: Now: $186.90 Add to Cart Compare Quick view Details sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH MSRP: Now: $734.00 Add to Cart Compare Quick view Details sku: ZN-4-FW STAPERM™ Model ZN-4-FW MSRP: Now: $136.00 Add to Cart Compare Quick view sku: ZN-4-PTH STAPERM™ZN-4-PTH Features MSRP: Now: $110.00 Add to Cart Compare Quick view sku: CU-4-PTH STAPERM™CU-4-PTH Features MSRP: Now: $118.00 View Details Compare Quick view sku: AG-4-PT STAPERM™ Model AG-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact blue housing Sta MSRP: Now: $126.00 View Details Compare Quick view sku: ZN-4-PT STAPERM™ Model ZN-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact red housing Stab MSRP: Now: $94.00 View Details Compare Quick view sku: CU-4-PT-ROUND STAPERM™ Model CU-4-PT (Round Plug) Portable Gel Filled Reference Electrode is equipped with pre-calibrated gel which eliminates the need for mixing copper sulphate crystals for ease of use. Connection Stud: 1/4"-20 copper MSRP: Now: $102.00 Add to Cart Compare Quick view sku: AG-6-TH Silver Silver Chloride AG-6-TH The GMC STAPERM™thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction box,... MSRP: Now: $838.95 Add to Cart Compare Quick view sku: AG-5-SW GMC Deltaperm Apache™ Permanent / portable, highly stable, deep-water silver - silver chloridereference electrode for use in salt water or saline water conditions: MSRP: Now: $379.05 Add to Cart Compare Quick view sku: AG-3-SW STAPERM™ Model AG-3-SW For Salt Water Service Size:1" dia. x 8" long ABS plastic high impact blue tube MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UG STAPERM™ Model AG-4-UG Size: 2" dia. x 7" long high impact ABS plastic tube. Packaging: Special non-polarizing backfilled in blue cotton bag. MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC Size: 1.5" dia. x 6" long, space-age ceramic tube with blue protective caps Lead Wire: 30' OF #14 RHH-RHW cable. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F... MSRP: Now: $186.90 Add to Cart Compare Quick view sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH The GMC STAPERM™ thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction... MSRP: Now: $734.00 Add to Cart Compare Quick view sku: ZN-4-FW STAPERM™ Model ZN-4-FW Size: 1" dia. x 8" long ABS plastic high impact red tube. Contact Plug: 1" diameter porous ceramic Lead Wire: 30' OF MSRP: Now: $136.00 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: AG-6-TH Silver Silver Chloride AG-6-TH MSRP: Now: $838.95 Add to Cart Compare Quick view Details sku: AG-5-SW GMC Deltaperm Apache™ MSRP: Now: $379.05 Add to Cart Compare Quick view Details sku: AG-3-SW STAPERM™ Model AG-3-SW For Salt Water Service MSRP: Now: $186.90 Add to Cart Compare Quick view Details sku: AG-4-UG STAPERM™ Model AG-4-UG MSRP: Now: $186.90 Add to Cart Compare Quick view Details sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC MSRP: Now: $186.90 Add to Cart Compare Quick view Details sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH MSRP: Now: $734.00 Add to Cart Compare Quick view Details sku: ZN-4-FW STAPERM™ Model ZN-4-FW MSRP: Now: $136.00 Add to Cart Compare Quick view sku: ZN-4-PTH STAPERM™ZN-4-PTH Features MSRP: Now: $110.00 Add to Cart Compare Quick view sku: CU-4-PTH STAPERM™CU-4-PTH Features MSRP: Now: $118.00 View Details Compare Quick view sku: AG-4-PT STAPERM™ Model AG-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact blue housing Sta MSRP: Now: $126.00 View Details Compare Quick view sku: ZN-4-PT STAPERM™ Model ZN-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact red housing Stab MSRP: Now: $94.00 View Details Compare Quick view sku: CU-4-PT-ROUND STAPERM™ Model CU-4-PT (Round Plug) Portable Gel Filled Reference Electrode is equipped with pre-calibrated gel which eliminates the need for mixing copper sulphate crystals for ease of use. Connection Stud: 1/4"-20 copper MSRP: Now: $102.00 Add to Cart Compare Quick view sku: AG-6-TH Silver Silver Chloride AG-6-TH The GMC STAPERM™thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction box,... MSRP: Now: $838.95 Add to Cart Compare Quick view sku: AG-5-SW GMC Deltaperm Apache™ Permanent / portable, highly stable, deep-water silver - silver chloridereference electrode for use in salt water or saline water conditions: MSRP: Now: $379.05 Add to Cart Compare Quick view sku: AG-3-SW STAPERM™ Model AG-3-SW For Salt Water Service Size:1" dia. x 8" long ABS plastic high impact blue tube MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UG STAPERM™ Model AG-4-UG Size: 2" dia. x 7" long high impact ABS plastic tube. Packaging: Special non-polarizing backfilled in blue cotton bag. MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC Size: 1.5" dia. x 6" long, space-age ceramic tube with blue protective caps Lead Wire: 30' OF #14 RHH-RHW cable. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F... MSRP: Now: $186.90 Add to Cart Compare Quick view sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH The GMC STAPERM™ thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction... MSRP: Now: $734.00 Add to Cart Compare Quick view sku: ZN-4-FW STAPERM™ Model ZN-4-FW Size: 1" dia. x 8" long ABS plastic high impact red tube. Contact Plug: 1" diameter porous ceramic Lead Wire: 30' OF MSRP: Now: $136.00 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: AG-5-SW GMC Deltaperm Apache™ MSRP: Now: $379.05 Add to Cart Compare Quick view Details sku: AG-3-SW STAPERM™ Model AG-3-SW For Salt Water Service MSRP: Now: $186.90 Add to Cart Compare Quick view Details sku: AG-4-UG STAPERM™ Model AG-4-UG MSRP: Now: $186.90 Add to Cart Compare Quick view Details sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC MSRP: Now: $186.90 Add to Cart Compare Quick view Details sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH MSRP: Now: $734.00 Add to Cart Compare Quick view Details sku: ZN-4-FW STAPERM™ Model ZN-4-FW MSRP: Now: $136.00 Add to Cart Compare Quick view sku: ZN-4-PTH STAPERM™ZN-4-PTH Features MSRP: Now: $110.00 Add to Cart Compare Quick view sku: CU-4-PTH STAPERM™CU-4-PTH Features MSRP: Now: $118.00 View Details Compare Quick view sku: AG-4-PT STAPERM™ Model AG-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact blue housing Sta MSRP: Now: $126.00 View Details Compare Quick view sku: ZN-4-PT STAPERM™ Model ZN-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact red housing Stab MSRP: Now: $94.00 View Details Compare Quick view sku: CU-4-PT-ROUND STAPERM™ Model CU-4-PT (Round Plug) Portable Gel Filled Reference Electrode is equipped with pre-calibrated gel which eliminates the need for mixing copper sulphate crystals for ease of use. Connection Stud: 1/4"-20 copper MSRP: Now: $102.00 Add to Cart Compare Quick view sku: AG-6-TH Silver Silver Chloride AG-6-TH The GMC STAPERM™thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction box,... MSRP: Now: $838.95 Add to Cart Compare Quick view sku: AG-5-SW GMC Deltaperm Apache™ Permanent / portable, highly stable, deep-water silver - silver chloridereference electrode for use in salt water or saline water conditions: MSRP: Now: $379.05 Add to Cart Compare Quick view sku: AG-3-SW STAPERM™ Model AG-3-SW For Salt Water Service Size:1" dia. x 8" long ABS plastic high impact blue tube MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UG STAPERM™ Model AG-4-UG Size: 2" dia. x 7" long high impact ABS plastic tube. Packaging: Special non-polarizing backfilled in blue cotton bag. MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC Size: 1.5" dia. x 6" long, space-age ceramic tube with blue protective caps Lead Wire: 30' OF #14 RHH-RHW cable. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F... MSRP: Now: $186.90 Add to Cart Compare Quick view sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH The GMC STAPERM™ thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction... MSRP: Now: $734.00 Add to Cart Compare Quick view sku: ZN-4-FW STAPERM™ Model ZN-4-FW Size: 1" dia. x 8" long ABS plastic high impact red tube. Contact Plug: 1" diameter porous ceramic Lead Wire: 30' OF MSRP: Now: $136.00 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: AG-3-SW STAPERM™ Model AG-3-SW For Salt Water Service MSRP: Now: $186.90 Add to Cart Compare Quick view Details sku: AG-4-UG STAPERM™ Model AG-4-UG MSRP: Now: $186.90 Add to Cart Compare Quick view Details sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC MSRP: Now: $186.90 Add to Cart Compare Quick view Details sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH MSRP: Now: $734.00 Add to Cart Compare Quick view Details sku: ZN-4-FW STAPERM™ Model ZN-4-FW MSRP: Now: $136.00 Add to Cart Compare Quick view sku: ZN-4-PTH STAPERM™ZN-4-PTH Features MSRP: Now: $110.00 Add to Cart Compare Quick view sku: CU-4-PTH STAPERM™CU-4-PTH Features MSRP: Now: $118.00 View Details Compare Quick view sku: AG-4-PT STAPERM™ Model AG-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact blue housing Sta MSRP: Now: $126.00 View Details Compare Quick view sku: ZN-4-PT STAPERM™ Model ZN-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact red housing Stab MSRP: Now: $94.00 View Details Compare Quick view sku: CU-4-PT-ROUND STAPERM™ Model CU-4-PT (Round Plug) Portable Gel Filled Reference Electrode is equipped with pre-calibrated gel which eliminates the need for mixing copper sulphate crystals for ease of use. Connection Stud: 1/4"-20 copper MSRP: Now: $102.00 Add to Cart Compare Quick view sku: AG-6-TH Silver Silver Chloride AG-6-TH The GMC STAPERM™thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction box,... MSRP: Now: $838.95 Add to Cart Compare Quick view sku: AG-5-SW GMC Deltaperm Apache™ Permanent / portable, highly stable, deep-water silver - silver chloridereference electrode for use in salt water or saline water conditions: MSRP: Now: $379.05 Add to Cart Compare Quick view sku: AG-3-SW STAPERM™ Model AG-3-SW For Salt Water Service Size:1" dia. x 8" long ABS plastic high impact blue tube MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UG STAPERM™ Model AG-4-UG Size: 2" dia. x 7" long high impact ABS plastic tube. Packaging: Special non-polarizing backfilled in blue cotton bag. MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC Size: 1.5" dia. x 6" long, space-age ceramic tube with blue protective caps Lead Wire: 30' OF #14 RHH-RHW cable. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F... MSRP: Now: $186.90 Add to Cart Compare Quick view sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH The GMC STAPERM™ thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction... MSRP: Now: $734.00 Add to Cart Compare Quick view sku: ZN-4-FW STAPERM™ Model ZN-4-FW Size: 1" dia. x 8" long ABS plastic high impact red tube. Contact Plug: 1" diameter porous ceramic Lead Wire: 30' OF MSRP: Now: $136.00 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: AG-4-UG STAPERM™ Model AG-4-UG MSRP: Now: $186.90 Add to Cart Compare Quick view Details sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC MSRP: Now: $186.90 Add to Cart Compare Quick view Details sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH MSRP: Now: $734.00 Add to Cart Compare Quick view Details sku: ZN-4-FW STAPERM™ Model ZN-4-FW MSRP: Now: $136.00 Add to Cart Compare Quick view sku: ZN-4-PTH STAPERM™ZN-4-PTH Features MSRP: Now: $110.00 Add to Cart Compare Quick view sku: CU-4-PTH STAPERM™CU-4-PTH Features MSRP: Now: $118.00 View Details Compare Quick view sku: AG-4-PT STAPERM™ Model AG-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact blue housing Sta MSRP: Now: $126.00 View Details Compare Quick view sku: ZN-4-PT STAPERM™ Model ZN-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact red housing Stab MSRP: Now: $94.00 View Details Compare Quick view sku: CU-4-PT-ROUND STAPERM™ Model CU-4-PT (Round Plug) Portable Gel Filled Reference Electrode is equipped with pre-calibrated gel which eliminates the need for mixing copper sulphate crystals for ease of use. Connection Stud: 1/4"-20 copper MSRP: Now: $102.00 Add to Cart Compare Quick view sku: AG-6-TH Silver Silver Chloride AG-6-TH The GMC STAPERM™thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction box,... MSRP: Now: $838.95 Add to Cart Compare Quick view sku: AG-5-SW GMC Deltaperm Apache™ Permanent / portable, highly stable, deep-water silver - silver chloridereference electrode for use in salt water or saline water conditions: MSRP: Now: $379.05 Add to Cart Compare Quick view sku: AG-3-SW STAPERM™ Model AG-3-SW For Salt Water Service Size:1" dia. x 8" long ABS plastic high impact blue tube MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UG STAPERM™ Model AG-4-UG Size: 2" dia. x 7" long high impact ABS plastic tube. Packaging: Special non-polarizing backfilled in blue cotton bag. MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC Size: 1.5" dia. x 6" long, space-age ceramic tube with blue protective caps Lead Wire: 30' OF #14 RHH-RHW cable. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F... MSRP: Now: $186.90 Add to Cart Compare Quick view sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH The GMC STAPERM™ thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction... MSRP: Now: $734.00 Add to Cart Compare Quick view sku: ZN-4-FW STAPERM™ Model ZN-4-FW Size: 1" dia. x 8" long ABS plastic high impact red tube. Contact Plug: 1" diameter porous ceramic Lead Wire: 30' OF MSRP: Now: $136.00 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC MSRP: Now: $186.90 Add to Cart Compare Quick view Details sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH MSRP: Now: $734.00 Add to Cart Compare Quick view Details sku: ZN-4-FW STAPERM™ Model ZN-4-FW MSRP: Now: $136.00 Add to Cart Compare Quick view sku: ZN-4-PTH STAPERM™ZN-4-PTH Features MSRP: Now: $110.00 Add to Cart Compare Quick view sku: CU-4-PTH STAPERM™CU-4-PTH Features MSRP: Now: $118.00 View Details Compare Quick view sku: AG-4-PT STAPERM™ Model AG-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact blue housing Sta MSRP: Now: $126.00 View Details Compare Quick view sku: ZN-4-PT STAPERM™ Model ZN-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact red housing Stab MSRP: Now: $94.00 View Details Compare Quick view sku: CU-4-PT-ROUND STAPERM™ Model CU-4-PT (Round Plug) Portable Gel Filled Reference Electrode is equipped with pre-calibrated gel which eliminates the need for mixing copper sulphate crystals for ease of use. Connection Stud: 1/4"-20 copper MSRP: Now: $102.00 Add to Cart Compare Quick view sku: AG-6-TH Silver Silver Chloride AG-6-TH The GMC STAPERM™thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction box,... MSRP: Now: $838.95 Add to Cart Compare Quick view sku: AG-5-SW GMC Deltaperm Apache™ Permanent / portable, highly stable, deep-water silver - silver chloridereference electrode for use in salt water or saline water conditions: MSRP: Now: $379.05 Add to Cart Compare Quick view sku: AG-3-SW STAPERM™ Model AG-3-SW For Salt Water Service Size:1" dia. x 8" long ABS plastic high impact blue tube MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UG STAPERM™ Model AG-4-UG Size: 2" dia. x 7" long high impact ABS plastic tube. Packaging: Special non-polarizing backfilled in blue cotton bag. MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC Size: 1.5" dia. x 6" long, space-age ceramic tube with blue protective caps Lead Wire: 30' OF #14 RHH-RHW cable. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F... MSRP: Now: $186.90 Add to Cart Compare Quick view sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH The GMC STAPERM™ thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction... MSRP: Now: $734.00 Add to Cart Compare Quick view sku: ZN-4-FW STAPERM™ Model ZN-4-FW Size: 1" dia. x 8" long ABS plastic high impact red tube. Contact Plug: 1" diameter porous ceramic Lead Wire: 30' OF MSRP: Now: $136.00 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH MSRP: Now: $734.00 Add to Cart Compare Quick view Details sku: ZN-4-FW STAPERM™ Model ZN-4-FW MSRP: Now: $136.00 Add to Cart Compare Quick view sku: ZN-4-PTH STAPERM™ZN-4-PTH Features MSRP: Now: $110.00 Add to Cart Compare Quick view sku: CU-4-PTH STAPERM™CU-4-PTH Features MSRP: Now: $118.00 View Details Compare Quick view sku: AG-4-PT STAPERM™ Model AG-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact blue housing Sta MSRP: Now: $126.00 View Details Compare Quick view sku: ZN-4-PT STAPERM™ Model ZN-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact red housing Stab MSRP: Now: $94.00 View Details Compare Quick view sku: CU-4-PT-ROUND STAPERM™ Model CU-4-PT (Round Plug) Portable Gel Filled Reference Electrode is equipped with pre-calibrated gel which eliminates the need for mixing copper sulphate crystals for ease of use. Connection Stud: 1/4"-20 copper MSRP: Now: $102.00 Add to Cart Compare Quick view sku: AG-6-TH Silver Silver Chloride AG-6-TH The GMC STAPERM™thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction box,... MSRP: Now: $838.95 Add to Cart Compare Quick view sku: AG-5-SW GMC Deltaperm Apache™ Permanent / portable, highly stable, deep-water silver - silver chloridereference electrode for use in salt water or saline water conditions: MSRP: Now: $379.05 Add to Cart Compare Quick view sku: AG-3-SW STAPERM™ Model AG-3-SW For Salt Water Service Size:1" dia. x 8" long ABS plastic high impact blue tube MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UG STAPERM™ Model AG-4-UG Size: 2" dia. x 7" long high impact ABS plastic tube. Packaging: Special non-polarizing backfilled in blue cotton bag. MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC Size: 1.5" dia. x 6" long, space-age ceramic tube with blue protective caps Lead Wire: 30' OF #14 RHH-RHW cable. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F... MSRP: Now: $186.90 Add to Cart Compare Quick view sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH The GMC STAPERM™ thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction... MSRP: Now: $734.00 Add to Cart Compare Quick view sku: ZN-4-FW STAPERM™ Model ZN-4-FW Size: 1" dia. x 8" long ABS plastic high impact red tube. Contact Plug: 1" diameter porous ceramic Lead Wire: 30' OF MSRP: Now: $136.00 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view Details sku: ZN-4-FW STAPERM™ Model ZN-4-FW MSRP: Now: $136.00 Add to Cart Compare Quick view sku: ZN-4-PTH STAPERM™ZN-4-PTH Features MSRP: Now: $110.00 Add to Cart Compare Quick view sku: CU-4-PTH STAPERM™CU-4-PTH Features MSRP: Now: $118.00 View Details Compare Quick view sku: AG-4-PT STAPERM™ Model AG-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact blue housing Sta MSRP: Now: $126.00 View Details Compare Quick view sku: ZN-4-PT STAPERM™ Model ZN-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact red housing Stab MSRP: Now: $94.00 View Details Compare Quick view sku: CU-4-PT-ROUND STAPERM™ Model CU-4-PT (Round Plug) Portable Gel Filled Reference Electrode is equipped with pre-calibrated gel which eliminates the need for mixing copper sulphate crystals for ease of use. Connection Stud: 1/4"-20 copper MSRP: Now: $102.00 Add to Cart Compare Quick view sku: AG-6-TH Silver Silver Chloride AG-6-TH The GMC STAPERM™thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction box,... MSRP: Now: $838.95 Add to Cart Compare Quick view sku: AG-5-SW GMC Deltaperm Apache™ Permanent / portable, highly stable, deep-water silver - silver chloridereference electrode for use in salt water or saline water conditions: MSRP: Now: $379.05 Add to Cart Compare Quick view sku: AG-3-SW STAPERM™ Model AG-3-SW For Salt Water Service Size:1" dia. x 8" long ABS plastic high impact blue tube MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UG STAPERM™ Model AG-4-UG Size: 2" dia. x 7" long high impact ABS plastic tube. Packaging: Special non-polarizing backfilled in blue cotton bag. MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC Size: 1.5" dia. x 6" long, space-age ceramic tube with blue protective caps Lead Wire: 30' OF #14 RHH-RHW cable. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F... MSRP: Now: $186.90 Add to Cart Compare Quick view sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH The GMC STAPERM™ thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction... MSRP: Now: $734.00 Add to Cart Compare Quick view sku: ZN-4-FW STAPERM™ Model ZN-4-FW Size: 1" dia. x 8" long ABS plastic high impact red tube. Contact Plug: 1" diameter porous ceramic Lead Wire: 30' OF MSRP: Now: $136.00 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: ZN-4-PTH STAPERM™ZN-4-PTH Features MSRP: Now: $110.00 Add to Cart Compare Quick view sku: CU-4-PTH STAPERM™CU-4-PTH Features MSRP: Now: $118.00 View Details Compare Quick view sku: AG-4-PT STAPERM™ Model AG-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact blue housing Sta MSRP: Now: $126.00 View Details Compare Quick view sku: ZN-4-PT STAPERM™ Model ZN-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact red housing Stab MSRP: Now: $94.00 View Details Compare Quick view sku: CU-4-PT-ROUND STAPERM™ Model CU-4-PT (Round Plug) Portable Gel Filled Reference Electrode is equipped with pre-calibrated gel which eliminates the need for mixing copper sulphate crystals for ease of use. Connection Stud: 1/4"-20 copper MSRP: Now: $102.00 Add to Cart Compare Quick view sku: AG-6-TH Silver Silver Chloride AG-6-TH The GMC STAPERM™thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction box,... MSRP: Now: $838.95 Add to Cart Compare Quick view sku: AG-5-SW GMC Deltaperm Apache™ Permanent / portable, highly stable, deep-water silver - silver chloridereference electrode for use in salt water or saline water conditions: MSRP: Now: $379.05 Add to Cart Compare Quick view sku: AG-3-SW STAPERM™ Model AG-3-SW For Salt Water Service Size:1" dia. x 8" long ABS plastic high impact blue tube MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UG STAPERM™ Model AG-4-UG Size: 2" dia. x 7" long high impact ABS plastic tube. Packaging: Special non-polarizing backfilled in blue cotton bag. MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC Size: 1.5" dia. x 6" long, space-age ceramic tube with blue protective caps Lead Wire: 30' OF #14 RHH-RHW cable. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F... MSRP: Now: $186.90 Add to Cart Compare Quick view sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH The GMC STAPERM™ thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction... MSRP: Now: $734.00 Add to Cart Compare Quick view sku: ZN-4-FW STAPERM™ Model ZN-4-FW Size: 1" dia. x 8" long ABS plastic high impact red tube. Contact Plug: 1" diameter porous ceramic Lead Wire: 30' OF MSRP: Now: $136.00 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: CU-4-PTH STAPERM™CU-4-PTH Features MSRP: Now: $118.00 View Details Compare Quick view sku: AG-4-PT STAPERM™ Model AG-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact blue housing Sta MSRP: Now: $126.00 View Details Compare Quick view sku: ZN-4-PT STAPERM™ Model ZN-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact red housing Stab MSRP: Now: $94.00 View Details Compare Quick view sku: CU-4-PT-ROUND STAPERM™ Model CU-4-PT (Round Plug) Portable Gel Filled Reference Electrode is equipped with pre-calibrated gel which eliminates the need for mixing copper sulphate crystals for ease of use. Connection Stud: 1/4"-20 copper MSRP: Now: $102.00 Add to Cart Compare Quick view sku: AG-6-TH Silver Silver Chloride AG-6-TH The GMC STAPERM™thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction box,... MSRP: Now: $838.95 Add to Cart Compare Quick view sku: AG-5-SW GMC Deltaperm Apache™ Permanent / portable, highly stable, deep-water silver - silver chloridereference electrode for use in salt water or saline water conditions: MSRP: Now: $379.05 Add to Cart Compare Quick view sku: AG-3-SW STAPERM™ Model AG-3-SW For Salt Water Service Size:1" dia. x 8" long ABS plastic high impact blue tube MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UG STAPERM™ Model AG-4-UG Size: 2" dia. x 7" long high impact ABS plastic tube. Packaging: Special non-polarizing backfilled in blue cotton bag. MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC Size: 1.5" dia. x 6" long, space-age ceramic tube with blue protective caps Lead Wire: 30' OF #14 RHH-RHW cable. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F... MSRP: Now: $186.90 Add to Cart Compare Quick view sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH The GMC STAPERM™ thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction... MSRP: Now: $734.00 Add to Cart Compare Quick view sku: ZN-4-FW STAPERM™ Model ZN-4-FW Size: 1" dia. x 8" long ABS plastic high impact red tube. Contact Plug: 1" diameter porous ceramic Lead Wire: 30' OF MSRP: Now: $136.00 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: AG-4-PT STAPERM™ Model AG-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact blue housing Sta MSRP: Now: $126.00 View Details Compare Quick view sku: ZN-4-PT STAPERM™ Model ZN-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact red housing Stab MSRP: Now: $94.00 View Details Compare Quick view sku: CU-4-PT-ROUND STAPERM™ Model CU-4-PT (Round Plug) Portable Gel Filled Reference Electrode is equipped with pre-calibrated gel which eliminates the need for mixing copper sulphate crystals for ease of use. Connection Stud: 1/4"-20 copper MSRP: Now: $102.00 Add to Cart Compare Quick view sku: AG-6-TH Silver Silver Chloride AG-6-TH The GMC STAPERM™thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction box,... MSRP: Now: $838.95 Add to Cart Compare Quick view sku: AG-5-SW GMC Deltaperm Apache™ Permanent / portable, highly stable, deep-water silver - silver chloridereference electrode for use in salt water or saline water conditions: MSRP: Now: $379.05 Add to Cart Compare Quick view sku: AG-3-SW STAPERM™ Model AG-3-SW For Salt Water Service Size:1" dia. x 8" long ABS plastic high impact blue tube MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UG STAPERM™ Model AG-4-UG Size: 2" dia. x 7" long high impact ABS plastic tube. Packaging: Special non-polarizing backfilled in blue cotton bag. MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC Size: 1.5" dia. x 6" long, space-age ceramic tube with blue protective caps Lead Wire: 30' OF #14 RHH-RHW cable. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F... MSRP: Now: $186.90 Add to Cart Compare Quick view sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH The GMC STAPERM™ thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction... MSRP: Now: $734.00 Add to Cart Compare Quick view sku: ZN-4-FW STAPERM™ Model ZN-4-FW Size: 1" dia. x 8" long ABS plastic high impact red tube. Contact Plug: 1" diameter porous ceramic Lead Wire: 30' OF MSRP: Now: $136.00 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: ZN-4-PT STAPERM™ Model ZN-4-PT Connection Stud: 1/4"-20 plated brass Size: 1" dia. x 8" long ABS plastic high impact red housing Stab MSRP: Now: $94.00 View Details Compare Quick view sku: CU-4-PT-ROUND STAPERM™ Model CU-4-PT (Round Plug) Portable Gel Filled Reference Electrode is equipped with pre-calibrated gel which eliminates the need for mixing copper sulphate crystals for ease of use. Connection Stud: 1/4"-20 copper MSRP: Now: $102.00 Add to Cart Compare Quick view sku: AG-6-TH Silver Silver Chloride AG-6-TH The GMC STAPERM™thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction box,... MSRP: Now: $838.95 Add to Cart Compare Quick view sku: AG-5-SW GMC Deltaperm Apache™ Permanent / portable, highly stable, deep-water silver - silver chloridereference electrode for use in salt water or saline water conditions: MSRP: Now: $379.05 Add to Cart Compare Quick view sku: AG-3-SW STAPERM™ Model AG-3-SW For Salt Water Service Size:1" dia. x 8" long ABS plastic high impact blue tube MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UG STAPERM™ Model AG-4-UG Size: 2" dia. x 7" long high impact ABS plastic tube. Packaging: Special non-polarizing backfilled in blue cotton bag. MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC Size: 1.5" dia. x 6" long, space-age ceramic tube with blue protective caps Lead Wire: 30' OF #14 RHH-RHW cable. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F... MSRP: Now: $186.90 Add to Cart Compare Quick view sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH The GMC STAPERM™ thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction... MSRP: Now: $734.00 Add to Cart Compare Quick view sku: ZN-4-FW STAPERM™ Model ZN-4-FW Size: 1" dia. x 8" long ABS plastic high impact red tube. Contact Plug: 1" diameter porous ceramic Lead Wire: 30' OF MSRP: Now: $136.00 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: CU-4-PT-ROUND STAPERM™ Model CU-4-PT (Round Plug) Portable Gel Filled Reference Electrode is equipped with pre-calibrated gel which eliminates the need for mixing copper sulphate crystals for ease of use. Connection Stud: 1/4"-20 copper MSRP: Now: $102.00 Add to Cart Compare Quick view sku: AG-6-TH Silver Silver Chloride AG-6-TH The GMC STAPERM™thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction box,... MSRP: Now: $838.95 Add to Cart Compare Quick view sku: AG-5-SW GMC Deltaperm Apache™ Permanent / portable, highly stable, deep-water silver - silver chloridereference electrode for use in salt water or saline water conditions: MSRP: Now: $379.05 Add to Cart Compare Quick view sku: AG-3-SW STAPERM™ Model AG-3-SW For Salt Water Service Size:1" dia. x 8" long ABS plastic high impact blue tube MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UG STAPERM™ Model AG-4-UG Size: 2" dia. x 7" long high impact ABS plastic tube. Packaging: Special non-polarizing backfilled in blue cotton bag. MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC Size: 1.5" dia. x 6" long, space-age ceramic tube with blue protective caps Lead Wire: 30' OF #14 RHH-RHW cable. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F... MSRP: Now: $186.90 Add to Cart Compare Quick view sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH The GMC STAPERM™ thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction... MSRP: Now: $734.00 Add to Cart Compare Quick view sku: ZN-4-FW STAPERM™ Model ZN-4-FW Size: 1" dia. x 8" long ABS plastic high impact red tube. Contact Plug: 1" diameter porous ceramic Lead Wire: 30' OF MSRP: Now: $136.00 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: AG-6-TH Silver Silver Chloride AG-6-TH The GMC STAPERM™thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction box,... MSRP: Now: $838.95 Add to Cart Compare Quick view sku: AG-5-SW GMC Deltaperm Apache™ Permanent / portable, highly stable, deep-water silver - silver chloridereference electrode for use in salt water or saline water conditions: MSRP: Now: $379.05 Add to Cart Compare Quick view sku: AG-3-SW STAPERM™ Model AG-3-SW For Salt Water Service Size:1" dia. x 8" long ABS plastic high impact blue tube MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UG STAPERM™ Model AG-4-UG Size: 2" dia. x 7" long high impact ABS plastic tube. Packaging: Special non-polarizing backfilled in blue cotton bag. MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC Size: 1.5" dia. x 6" long, space-age ceramic tube with blue protective caps Lead Wire: 30' OF #14 RHH-RHW cable. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F... MSRP: Now: $186.90 Add to Cart Compare Quick view sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH The GMC STAPERM™ thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction... MSRP: Now: $734.00 Add to Cart Compare Quick view sku: ZN-4-FW STAPERM™ Model ZN-4-FW Size: 1" dia. x 8" long ABS plastic high impact red tube. Contact Plug: 1" diameter porous ceramic Lead Wire: 30' OF MSRP: Now: $136.00 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: AG-5-SW GMC Deltaperm Apache™ Permanent / portable, highly stable, deep-water silver - silver chloridereference electrode for use in salt water or saline water conditions: MSRP: Now: $379.05 Add to Cart Compare Quick view sku: AG-3-SW STAPERM™ Model AG-3-SW For Salt Water Service Size:1" dia. x 8" long ABS plastic high impact blue tube MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UG STAPERM™ Model AG-4-UG Size: 2" dia. x 7" long high impact ABS plastic tube. Packaging: Special non-polarizing backfilled in blue cotton bag. MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC Size: 1.5" dia. x 6" long, space-age ceramic tube with blue protective caps Lead Wire: 30' OF #14 RHH-RHW cable. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F... MSRP: Now: $186.90 Add to Cart Compare Quick view sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH The GMC STAPERM™ thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction... MSRP: Now: $734.00 Add to Cart Compare Quick view sku: ZN-4-FW STAPERM™ Model ZN-4-FW Size: 1" dia. x 8" long ABS plastic high impact red tube. Contact Plug: 1" diameter porous ceramic Lead Wire: 30' OF MSRP: Now: $136.00 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: AG-3-SW STAPERM™ Model AG-3-SW For Salt Water Service Size:1" dia. x 8" long ABS plastic high impact blue tube MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UG STAPERM™ Model AG-4-UG Size: 2" dia. x 7" long high impact ABS plastic tube. Packaging: Special non-polarizing backfilled in blue cotton bag. MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC Size: 1.5" dia. x 6" long, space-age ceramic tube with blue protective caps Lead Wire: 30' OF #14 RHH-RHW cable. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F... MSRP: Now: $186.90 Add to Cart Compare Quick view sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH The GMC STAPERM™ thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction... MSRP: Now: $734.00 Add to Cart Compare Quick view sku: ZN-4-FW STAPERM™ Model ZN-4-FW Size: 1" dia. x 8" long ABS plastic high impact red tube. Contact Plug: 1" diameter porous ceramic Lead Wire: 30' OF MSRP: Now: $136.00 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: AG-4-UG STAPERM™ Model AG-4-UG Size: 2" dia. x 7" long high impact ABS plastic tube. Packaging: Special non-polarizing backfilled in blue cotton bag. MSRP: Now: $186.90 Add to Cart Compare Quick view sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC Size: 1.5" dia. x 6" long, space-age ceramic tube with blue protective caps Lead Wire: 30' OF #14 RHH-RHW cable. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F... MSRP: Now: $186.90 Add to Cart Compare Quick view sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH The GMC STAPERM™ thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction... MSRP: Now: $734.00 Add to Cart Compare Quick view sku: ZN-4-FW STAPERM™ Model ZN-4-FW Size: 1" dia. x 8" long ABS plastic high impact red tube. Contact Plug: 1" diameter porous ceramic Lead Wire: 30' OF MSRP: Now: $136.00 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: AG-4-UGPC STAPERM™ Model AG-4-UGPC Size: 1.5" dia. x 6" long, space-age ceramic tube with blue protective caps Lead Wire: 30' OF #14 RHH-RHW cable. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F... MSRP: Now: $186.90 Add to Cart Compare Quick view sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH The GMC STAPERM™ thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction... MSRP: Now: $734.00 Add to Cart Compare Quick view sku: ZN-4-FW STAPERM™ Model ZN-4-FW Size: 1" dia. x 8" long ABS plastic high impact red tube. Contact Plug: 1" diameter porous ceramic Lead Wire: 30' OF MSRP: Now: $136.00 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected × OK
Quick view sku: ZN-6-TH Zinc Zinc Sulfate ZN-6-TH The GMC STAPERM™ thru-hull mounting assembly is designed to provide easy installation of special submersible STAPERM™ reference electrodes. Each electrode comes complete with a test lead junction... MSRP: Now: $734.00 Add to Cart Compare Quick view sku: ZN-4-FW STAPERM™ Model ZN-4-FW Size: 1" dia. x 8" long ABS plastic high impact red tube. Contact Plug: 1" diameter porous ceramic Lead Wire: 30' OF MSRP: Now: $136.00 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected
Quick view sku: ZN-4-FW STAPERM™ Model ZN-4-FW Size: 1" dia. x 8" long ABS plastic high impact red tube. Contact Plug: 1" diameter porous ceramic Lead Wire: 30' OF MSRP: Now: $136.00 Add to Cart Compare Previous 1 2 3 Next Previous 1 2 3 Next Compare Selected
