PH-2983 Online PH/TDS/Temperature Monitor   Technical Specification:  Range  pH 0.00 ~14.00 pH   TDS 0 ~ 1999ppm 0 ~ 19.99ppt   Temp 0 ~ 50°C Resolution pH 0.01 pH   TDS 1ppm 0.01ppt   Temp 0.1°C Accuracy pH ±0.1 pH   TDS ±2℅F·S   Temp ±1 °C Automatic Temperature Compensation 0 ~ 50°C Environment 0 ~ 50°C;   Humidity:≤95℅ Power Supply 6V DC (include), with adaptor Dimensions 130mm x 70mm x 31 mm Weight 200g   Close >>