7 in 1 PH/TDS/EC/ORP/S.G/Salinity/Temperature Multi-Parameter Pocket Water Quality Tester with Electrode Replaceable C-600 PH Meter for Pools Drinking Water Aquariums with Backlight

Specifications: Model: C-600A(with backlight) EC: Measurement range: 0 to10000uS/cm 10.01-19.99ms 20.1-400mS/CM Resolution: 1 uS/cm; 0.1 mS/CM; Accuracy: ±2% of reading TDS: Measurement range: 0 to 1000ppm 1000ppm to 10000ppm 10.1 to 200.0ppt Resolution: 1ppm;; 0.1ppt Accuracy: ±2% of reading Salinity: Measurement range: 0.00 to 25.00% Resolution: 0.01% Accuracy: 0.01-5.00% (±0.1%) 5.10-25.00% (±1%) PH: Measurement range: 0.01-14.00pH Resolution: 0.01pH Accuracy: ±0.05pH ORP: Measurement range: 0~±999mV S.G:Measurement range: 1.000~1.222 Working environment: 0 to 60.0 ° C (32.0-140 ° F); RH 100% TDS factor: 0 .4to 1.0 Temperature range: 0.1-60.0 °C 32.0-140 °F Temperature accuracy: ±0.5°C Temperature resolution: 0.1 °C / °F Power source: 3x1.5LR44 ( not included ) Display size: 33*24mm Size: 183*37*37mm (7.2*1.5*1.5in) Weight: 105g (3.2oz) Package List: 1 * 7 in 1 meter 1 * manual in English 1.this item comes without retail box 2.Precautions Always clean the electrode after each use. 3.If the pH calibration does not identify the solution, the electrode is broken.