Features 1、【10 in 1 Multifunction Salt Meter】Professional measurement of pH, EC, TDS, ORP, H2, MΩ, Fertility, SALT, S.G, Temp. Suitable for household drinking water, food, swimming pool, lab, and aquarium. 2、【HD Large Screen Display】Large screen display with backlight, clear value, easy to read, suitable for the needs of pH test in all walks of life. 3、【Large-capacity Battery】Use 3*1.5V(LR44) battery to provide power, be durable, and be easy to replace, You can be bought everywhere. 4、【High-precision Probe】With high sensitive probe, can avoid the interference of the magnetic field in the water, reduce errors, and effectively prevent the damage of the probes during transportation. 5、【Automatic Temperature Compensation】Temperature can affect reading levels, this tester has automatic temperature compensation of 0°C-60°C can ensure that your measure is correct. Specification Multifunctional super product 10 in 1! Professionally measure PH, EC, TDS, ORP, H2, MΩ, Fertility, SALT, SG and Temperature. High definition large screen, fast measurement, easy to read and easy to use. High precision sensors and automatic temperature compensation ensure accurate measurement. Suitable for household drinking water, food, swimming pools, laboratories, aquariums, etc. Features: 【10 in 1 Multifunction Salt Meter】Professional measurement of pH, EC, TDS, ORP, H2, MΩ, Fertility, SALT, S.G, Temp. Suitable for household drinking water, food, swimming pool, lab, and aquarium. 【HD Large Screen Display】Large screen display with backlight, clear value, easy to read, suitable for the needs of pH test in all walks of life. 【Large-capacity Battery】Use 3*1.5V(LR44) battery to provide power, be durable, and be easy to replace, You can be bought everywhere. 【High-precision Probe】With high sensitive probe, can avoid the interference of the magnetic field in the water, reduce errors, and effectively prevent the damage of the probes during transportation. 【Automatic Temperature Compensation】Temperature can affect reading levels, this tester has automatic temperature compensation of 0°C-60°C can ensure that your measure is correct. Specifications: Model: YY-1010 Material: ABS pH: Range: 0.00-14.00pH Resolution: 0.01pH Accuracy: ±0.05pH TDS: Range: 0-10000ppm, 10.1-200.0ppt Resolution: 0.1ppm; 0.1ppt Accuracy: ±2% F.S EC: Range: 0-10000µS/cm, 10.1-200.0mS/cm Resolution: 1µS/cm; 0.1mS/cm Accuracy: ±2% F.S Salinity: Range: 0-10000ppm, 10.1-200.0ppt, 0.01%-25.0% Resolution: 1ppm, 0.1ppt, 0.01% Accuracy: 0.01%-5.00% (±0.1%), 5.1-25.00% (±1%), ±2% F.S ORP: Range: ±999mV Resolution: 1mV Accuracy: ±2mV H2: Range: 0-2400ppb, 0-2.400ppm Resolution: 1ppb, 0.001ppm Accuracy: ±10ppb, ±0.01ppm Temperature: Range: 0-60℃ / 32-140℉ Resolution: 1℃ / ℉ Accuracy: ±0.5℃ S.G: 1.000-1.222 MΩ: 50Ω-20MΩ Fertile: 0-3 Waterproof: IP67 Operation Environment: 0-60℃ (32-140℉); RH 100% TDS Factor: 0.5 Automatic Shut-off: 5 minutes Battery: 3 * 1.5V (LR44) Item Size: 185 * 40 * 22mm / 7.28 * 1.57 * 0.86in Item Weight: 90g / 3.17oz Package Weight: 142g / 5.01oz Package Size: 23 * 8.1 * 4.8cm / 9.05 * 3.18 * 1.89in Package List: 1 * Water Quality Tester 4 * Calibration Powder 1 * User Manual (English) Package List 1 * Water Quality Tester 4 * Calibration Powder 1 * User Manual (English)