STAPERM™ Model Zn-4-FW

 

Permanent & Portable Reference Electrode for underground, concrete encased and water applications

  • Space age porous ceramic.
  • Greater surface area than other standard electrodes will allow readings achieved with greater accuracy.
  • Electrode will not dry out in arid soils. Moisture content change in soil has no effect on electrode.
  • Electrode has an infinite shelf life.
  • Minimum Service life 30+ years.

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 57.2°C)