Feature: 1. 6 in 1: This multifunctional water quality monitor could measure PH, ORP, TDS, EC, CF and water temperature, with high precise and wide range, can be manually calibrated. 2. Reasonable Design: Large LCD screen can display 2 values at the same time, the panel is easy to operate, the bracket is stable and firm, can be assembled and disassembled, easy to use. 3. Temperature Compensation: The meter can automatically compensate temperature from 0°C to 50°C, and automatically eliminate measurement errors according to changes in ambient temperature. 4. 3 Probes: Equipped with high precise PH probe, temperature probe and EC probe, provide accurate and stable data. 5. Wide Applications: The meter can be used for aquaculture, drinking water, swimming pools, aquariums, food processing, laboratories, paper industry, etc. Specification: Item Type: Water Quality Monitor Material: ABS Range: PH: 0.00 to 14.00PH EC: 0.00 to 19.99ms/cm ORP: -1999 to 1999mV CF:0.0 to 199.9CF Temperature: 0 to 100℃ TDS: 10 to 19990ppm Resolution: PH: 0.01PH EC: 0.01ms/cm ORP: 1mV CF: 0.1CF Temperature: 0.1℃ TDS: 10ppm Accuracy: PH: ±0.01PH ORP: ±1mV Temperature: ±0.5℃ EC CF TDS: ±2%F.S Display: PH: 4 digit LCD Temperature: 3 digit LCD Automatic Temperature Compensation: 0℃ to 50℃ Working Temperature: 0℃ to 50℃ Calibration: Manual two points. Package List: 1 x Water Quality Monitor1 x PH Probe1 x Temperature Probe1 x EC Probe2 x Bracket Accessories1 x Screwdriver1 x Charger