Features： 1、One Machine with Multiple Functions: The water quality detector includes multiple detection functions such as TOC temperature, COD conductivity, and EC, easily meeting various water quality monitoring needs. 2、Multiple Scenarios Applicable: The water quality detector is used for detecting the quality of drinking water such as tap water, purified water, bottled water, groundwater, and surface water (non sewage). 3、Accurate and Reliable: High accuracy sensors and professional algorithms ensure accurate and reliable measurement results, meeting your strict requirements for water quality. 4、Portable and Easy to Use: The water quality tester is compact and portable, allowing for water quality testing anytime and anywhere, making it simple, convenient, and fast to operate. 5、Measurement Range: COD(0?100mg/L), TOC (0?100mg/L), UV275 (0?1.0au/cm), TDS (0?2000ppm), Conductivity (0?4000us/cm), Temperature (0?50 ℃). Specification： Item Type: Water Quality Tester Product Material: ABS Weight: Approx. 112g / 4.0oz Power Supply: 2 AAA Battery (Shipped Without Battery) Product Size: 157 x 37 x 14mm / 6.2 x 1.5 x 0.6in Measurement Range: COD(0-100mg/L), TOC (0-100mg/L), UV275 (0-1.0au/cm), TDS (0-2000ppm), Conductivity (0-4000us/cm), Temperature (0-50 ℃) Test Samples: Tap Water, Purified Water, Bottled Water, Groundwater, Surface Water (Non Sewage) And Other Domestic Drinking Water Package List： 1 x Tester 1 x Manual