Type
Shape
Life
Applicable Environment
Copper-Copper
Sulfate(Cu-CuSO4)
cylinder
Can be continuously used after
supplement of copper sulphate
Portable type, applicable to spot measurement in water and soil
Silver-Silver Chloride
3 Years
Seawater
Zinc-Zinc Sulfate
6 Years Min
Seawater and freshewater
3.Test Station Junction Boxes Rectifiers