These instruments are designed for heavy duty applications.
All testers have waterproof casing, double junction replaceable glass electrode (for PH51) and modular design that allows easy electrode and battery replacement.
All waterproof testers are supplied in leather casing complete with calibration solution, batteries, instruction manual, and screwdriver for calibration.
ORP57 Specifications:
– Range: 1000 mV/
– Resolution: 1 mV,
– Accuracy: 1 mV,
– Battery Life: 1500 hours of continuous use
– Battery Type: 3 x 1.5V
– Environment: 060C / 100% RH
