Zinc has the longest life of any of the permanent type reference cells. NETCOR uses hi-pure zinc to assure consistent quality and a constant conversion factor of -1.1v to CuSO4. Zinc reference cells come in the following styles:
Underground
Packaged in prepared backfill to maintain stability.
- Size: 10" diameter x 24" long
- Weight: 25 pounds
- Model code: PRC-ZU9
Concrete
Cast in rigid backfill. Maintains stability for years.
• Model code: ZN-CPBD-9
Carbon
Reliable, embedded half-cell for reinforced concrete structures.
- Standard size: 1.5" diameter x 2" long
- Model code: PR-GR-1