YaSao 7 in 1 PH/TDS/EC/ORP/S.G/Salinity/Temperature Multi-Parameter Pocket Water Quality Tester with Electrode Replaceable C-600

Specifications: Model: C600A(with backlight)/C600 (optional)EC:            Measurement range: 0 to10000uS/cm 10.0119.99ms 20.1400mS/CMResolution: 1 uS/cm; 0.1 mS/CM;Accuracy: 2% of readingTDS:           Measurement range: 0 to 1000ppm 1000ppm to 10000ppm 10.1 to 200.0pptResolution: 1ppm;; 0.1pptAccuracy: 2% of readingSalinity:       Measurement range: 0.00 to 25.00%Resolution: 0.01%Accuracy: 0.015.00% (0.1%) 5.1025.00% (1%)PH:                Measurement range: 0.0114.00pHResolution: 0.01pHAccuracy: 0.05pHORP:          Measurement range: 0999mVS.G:Measurement range: 1.0001.222Working environment: 0 to 60.0 C (32.0140 F); RH 100%TDS factor: 04to 1.0Temperature range: 0.160.0 C 32.0140 FTemperature accuracy: 0.5CTemperature resolution: 0.1 C/FPower source: 3x1.5LR44 ( not included )Display size: 3324mmSize: 1833737mm (7.21.51.5in)Weight: 105g (3.2oz) Package List: 1 7 in 1 meter1 manual in English1.this item comes without retail box2.Precautions Always clean the electrode after each use.3.If the pH calibration does not identify the solution, the electrode is broken.