Polatrak CP Gun™
Bathycorrometer-style CP probe for divers

Polatrak Corrosion (CP) Probe Comparison

The CP Gun outperforms all other bathycorrometer type devices available on the market in accuracy and convenience. Longer battery life,interchangeable freshwater electrodes, and ultra-bright LED displays (for limited visibility) also make the CP Gun the most user-friendly diver-held cathodic protection testing probe. This is a comparison of all types of Polatrak probes.


Probe Model Electrode Elements Deployment Readout Depth Contact or Proximity Standard Kit Contains Description
DC-II 2 x Ag/AgCl sealed Surface Surface Voltmeter 300 M (1000 ft.) Proximity Ruggedized weighted probe, 75 M (250 ft), seismic test cable, plastic deployment reel. Surface Deployed Drop Cell
Proximity Electrode 2 x Ag/AgCl sealed Diver Surface Voltmeter 300 m (1000 ft.) Proximity Probe with RM connector on a 1 m, (3 ft.) cable whip. probe General proximity probe
CP Gun 2 x Ag/AgCl or 2 x Cu/CuSO4 pluggable Diver, or ADS Integral dual ultra bright blue LED. Manual switch 300 m (1000 ft.) Contact Offshore storm case, CP Gun, recovery lanyard, Zn calibration coupon, spare electrode, tips, o-rings, lens screws. Self contained CP measurement system
ROV-II 2 x Ag/AgCl or 2 x Cu/CuSO4 pluggable Diver, ADS or ROV Surface, or Deep C Meter 3,000 m (10,000 ft.) Proximity or contact Storage/calibration tube, ROV II probe, Zn calibration coupon, spare electrode, tips. General purpose, ruggedized tip-contact CP probe
Deep C Meter 2 x Ag/AgCl or 2 x Cu/CuSO4 pluggable ADS or ROV Integral dual red LED. Photo switch 3,000 m (10,000 ft.) Contact Offshore storm case, Deep-C-Readout with adjustable dovetail ROV mount. ROV II probe with light weight tee-handle probe mount and extension cable whip. Zn calibration coupon, spare electrode, tips, o-rings, lens screws. Work class ROV ROV-II deep water self contained CP survey system
Deep-C-Meter (light-duty version) as above as above as above 300 m (1000 ft.) as above as above Lightweight ROV self-contained CP survey system
EFG 3000 2 x Ag/AgCl pluggable ADS or ROV Integral single green LED readout 3,000 m (10,000 ft.) N/A - Field gradient only Offshore storm case, readout with adjustable dovetail ROV mount. Probe with piggy-back mount to ROV II Probe and extension whip, spare electrode. Electric Field Gradient Probe with independent readout
EFG 300 as above as above as above 300 m (1000 ft.) as above as above as above