Description
STAPERM™ Model CU-4-PTCopper-Copper Sulfate (Cu-CuSO4)Portable Reference Electrode
STAPERM™ Model Zn-5-PTZinc-Zinc Sulfate (Zn-ZnSO4)Portable Reference Electrode
STAPERM™ Model AG-4-PTSilver-Silver Chloride (Ag-AgCl)Portable Reference Electrode