Polatrak DC II™
Topside drop cell for cathodic protection survey

Polatrak Corrosion (CP) Probe Comparison

The ultimate drop cell, the DC II boasts guaranteed accuracy +/- 5 mV. The rugged thermoplastic housing with tapered cone prevents snagging. Available with extra-long cable and high capacity cable reel with up to 1500 ft. of test cable (standard model shown with 75 m of cable).


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