5 in 1 TDS/EC/PH/Salinity/Temperature Meter Multi-functional water quality tester We Gaby Instruments is an Importer and Supplier of 5 IN 1 PH / EC / TDS / TEMP / SALAINITY METER in Coimbatore, Kerala, Tirupur, Pollachi, Erode, Salem, Chennai, Karur, Banglore, Idukki, Cochin, Trishur, Ernakulam, Trivandrum, Madurai, Tirunelveli , all over india and world wide SPECIFICATION: EC Measuring range: 0-10000us/cm; 10.01-19.99ms/cm; 20.1-400ms/cm (Convert range automaticly) Resolution:1 us/CM;0.1ms/CM; Accuracy: ±2%F.S TDS Measuring Range: 0-1000ppm;1000-10000ppm;10.1 to 200.0ppt( Convert range automaticly) Resolution: 1ppm; 0.1ppt Accuracy: +2% FS Salinity Measuring Range: 0.01% to 25.00% Resolution: 0.01-5.00(0.01%) 5.10-25.00%(0.1%) Accuracy: 0.01-5.00%(±0.1%) 5.10-25.00%(±1%) PH Measuring Range: 0.01-14.00 pH Resolution: 0.01pH Accuracy:±0.05 pH Temperature Compensation :ATC 0-60°C TDS Factor:0.4 to 1.0 Operation Environment: 0 to 60.0°C(32.0-140°F); RH100% TemperatureAccuracy: ±0.5°C Temperature Range: 0.1-60.0°C 32.0-140°F Temperature Resolution: 0.1°C/°F Automatic Shut-Off: 5 min Battery :3*1.5V(LR44) Size/Weight:183*37*37mm (7.2*1.5*1.5in)/90g(3.2oz) Screen Size :33*24mm Backlights: Backlight Optional Waterproof level: IP67 Attention: Clean the electrode after using