Feature: 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 Tester1 x Manual Note: Not all bottled water can be calibrated. Please choose purified water and distilled water for calibration.