Model Number:a0761vco3m Package Dimensions:24 x 8 x 5 cm Spec: Item Type: Water Quality Tester Material: ABS Measure PH, TDS, TEMP, EC, Salinity, SG, ORP EC: Range: 0-10000us/cm, 10.01-19.99mS/cm, 20.1-400.0mS/cm (Auto Conversion Range), Resolution: 1uS/cm; 0.1mS/CM; Accuracy: 2% F.S TDS: Range: 0-10000ppm, 10.1-200.0ppt (Automatic Conversion Range), Resolution: 0.1ppm; 0.1ppt Accuracy: 2% F.S Salinity: Range: 0.01%-25.00%, Resolution: 0.01%, Accuracy: 0.01-5.00% (0.1%) 5.1-25.0% (1%) PH: Range : 0-14.00pH, Resolution : 0.01pH, Accuracy : 0.05pH SG: 1.000-1.222 ORP: 999mv Temperature Range: 0.1-60.0C, 32.0-140F Battery: 3 x LR44 (Shipped without Battery) Waterproof Rating: IP67 Weight: Approx. 162g/5.7oz Use: Applicable to drinking water, aquaculture, swimming pools, etc, for the determination of various values of water quality packing list: 1 x 7 in 1 Water Quality Tester (Battery Not Included) 1 x Manual 3 x Detection Powder High Accuracy: This Drinking Water Tester has high accuracy electrode, using alloy probe to ensure accurate measurement values you can use it with confidence it will give you proper numerical value. LCD Display: Digital water quality tester, large screen high definition LCD display, clear values can be easily read, suitable for all walks of life testing. Convenient for you to confirm the value more quickly and accurately Package List: 1 x 7 in 1 Water Quality Tester (Battery Not Included), 1 x Manual, 3 x Detection Powder. This water quality meter with high performance pen shaped design, to ensure rapid detection, stable and accurate values which you can rest assure to buy. Widely Application: Water quality meter is suitable for drinking water, aquaculture, swimming pool, etc, for the determination of various values of water quality. 7 In 1 Function: This Water quality tester with full function, can measure PH, TDS, TEMP, EC, salinity, SG, ORP, switch at will, simple and portable which can meet your various test needs. High Accuracy LCD Display Package List Widely Application 7 In 1 Function