Zinc-Zinc Sulphate

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 #14 RHH-RHW yellow. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F to 135°F ( 0°C to...

STAPERM™ Model Zn-4-UG

Size: 2" dia. x 7" long high impact ABS plastic tube. Packaging: Special non-polarizing backfilled in red cotton bag. Overall size: Approx. 6" dia. x 14" long. Weight: Approx. 15 lbs. Special sizes: Upon request...

STAPERM™ Model Zn-4-UGPC

Size: 1.5" dia. x 6" long, space-age ceramic tube with red protective caps. Lead Wire: 30' OF #14 RHH-RHW cable. Stability: +/- 5 millivolts with 3.0 microamp load. Temperature Range: 32°F to 135°F ( 0°C to 57.2°C).