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)