Feature 1One 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. 2Multiple 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). 3Accurate and Reliable: High accuracy sensors and professional algorithms ensure accurate and reliable measurement results, meeting your strict requirements for water quality. 4Portable 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. 5Measurement Range: COD(0100mg/L), TOC (0100mg/L), UV275 (01.0au/cm), TDS (02000ppm), Conductivity (04000us/cm), Temperature (050 ).Item Type:WaterQualityTesterProduct Material: ABSWeight: Approx. 112g / 4.0ozPower Supply: 2 AAA Battery (Shipped Without Battery)Product Size: 157 x 37 x 14mm / 6.2 x 1.5 x 0.6inMeasurement 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 .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Tester1 x ManualNoteNot all bottled water can be calibrated. Please choose purified water and distilled water for calibration.