1. Intelligent scoring function, four-color backlight on the screen, visually indicating 4 different levels of water quality2. Can simultaneously measure , TOC, UV275, TDS, conductivity, temperature 6 water quality indicators, comprehensive evaluation of water quality3. Designed according to international drinking water standards4. The instrument has the function of ambient temperature compensation, and the data is stable, allowing long period calibration5. The probe is waterproof, conforming to the waterproof class IP67 A wide range of applications, , groundwater, tap water can be TOC, Measure the and microorganisms in the water to determine the water quality Applicable models, ultrafiltration, reverse osmosis, activated carbon are applicable Small error, abandon TDS single index, comprehensive assessment of water qualitySpecificationDetection scope: tap water, purified water, bottled water, groundwater, surface water, pool water... Etc.Measuring range: (0-100mg/L), TOC (0-100mg/L), UV275 (0-1.0au/cm), TDS (0-2000ppm), conductivity (0-4000us/cm), temperature (0-50)Power Supply: 2X AAA battery (not included)Size: 157 x 37 x 14mmColor: WhiteMaterial: absPackage Contents:1X Digital Water Tester1 x Chinese and English manualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.