Waterproof portable multi-purpose water quality logger AS810 1 piece

A product we are confident in, combining functionality and cost performance! This is a multi-logger that can measure up to seven items (pH, conductivity, ORP, TDS, dissolved oxygen, salinity, and temperature) by replacing the electrodes. Measurement data can be automatically saved and recorded data can be output to a computer. Equipped with auto power off function (10 minutes/20 minutes/30 minutes) and backlight display time setting function (1 minute/2 minutes/3 minutes). Comes in a convenient carrying case. Data storage: 1000 groups Supported OS: Windows(R)10 Power supply: 3 AA batteries (1.5V) (included for testing) Size: 88 x 170 x 33mm Weight: 313g Waterproof: IP57 Accessories: Dedicated pH electrode 201T-Q x 1, Dedicated conductivity electrode 2301T-Q x 1, Dedicated DO electrode DO-500 x 1, pH standard solution (NIST standard pH4.01, pH6.86, pH9.18 x 1 each), Conductivity calibration solution (84μS/cm, 1413μS/cm, 12.88mS/cm) x 1 each, Membrane cap DO-503 x 3, Electrode internal solution (30mL) x 1, Cathode polishing paper x 2, USB communication cable x 1, Electrode clip x 1 [Measurement items]: pH, conductivity, ORP, TDS, dissolved oxygen, salinity, temperature pH: Measurement range: 0 to 14 pH, Accuracy: ±0.01 pH (±1 digit) Conductivity (5 levels): Measurement range: 0.00 to 19.99 μS/cm, 20.0 to 199.9 μS/cm, 200 to 1999 μS/cm, 2.00 to 19.99 mS/cm, 20.0 to 199.9 mS/cm, Accuracy: ±1.0% FS (±1 digit) TDS: Measurement range: 0 to 100 g/L, Accuracy: ±1.0% FS (±1 digit) Salinity concentration: Measurement range: 0 to 100 ppt, Accuracy: ±1.0% FS (±1 digit) Resistivity: Measurement range: 0 to 100 MΩ cm, Accuracy: ±1.0% FS (±1 digit) ORP: Measurement range: -1,999 to 1,999 mV, Accuracy: ±0.1% FS (±1 digit) Dissolved oxygen: Measurement range: 0 to 20.00 mg/L (ppm), 0 to 200.0%, Accuracy: ±0.30 mg/L Temperature: Measurement range: 0 to 100°C (when measuring pH), Accuracy: ±0.5°C (±1 digit) TDS, salinity, and resistivity are displayed as converted values ​​from electrical conductivity.