Instrument Functions: - Multiple parameter measurements displayed on the same interface, supporting simultaneous detection of pX/pH, mV, conductivity, TDS, salinity, resistivity, dissolved oxygen, saturation, and temperature. - Pre-installed with various common ion modes such as H?, Ag?, Na?, K?, NH??, Cl?, F?, NO??, BF??, CN?, Cu2?, Pb2?, Ca2?, etc. - Supports GLP standards, with the ability to print and store up to 2200 sets of measurement data. - Supports zero-oxygen calibration and full-scale calibration. - Three measurement modes: continuous, timed, and equilibrium measurement. - Equipped with a USB interface and compatible with dedicated Leici instrument communication software for PC connectivity. - Compact design, low power consumption, IP65 protection rating, suitable for mobile and field measurements. Main Technical Specifications: 1. Measurement Range: - pH/pX: (-2.000 to 19.999) pH/pX - ORP: (-1999.99 to 1999.99) mV - Conductivity: 0.000 μS/cm to 199.9 mS/cm - Resistivity: 0.00 Ω·cm to 20.00 MΩ·cm - TDS: 0.000 mg/L to 100 g/L - Salinity: (0.00 to 8.00)% - Dissolved Oxygen: (0.00 to 19.99) mg/L - Dissolved Oxygen Saturation: (0.0 to 199.9)% - Ion Concentration: (0 to 19990), units: μg/L, mg/L, g/L, mol/L, mmol/L - Temperature: (-5.0 to 135.0)°C 2. Resolution: - pH/pX: 0.01, 0.001 pH - ORP: 0.1/0.01 mV - Conductivity: 0.001 μS/cm - Resistivity: 0.01 Ω·cm - TDS: 0.001 mg/L - Salinity: 0.1% - Dissolved Oxygen: 0.01 mg/L - Saturation: 0.10% - Temperature: 0.1°C 3. Basic Error: - pH/pX: ±0.002 pX ±1 digit - ORP: ±0.03% FS - Conductivity: ±0.5% FS - Resistivity: ±0.5% FS - TDS: ±0.5% FS - Salinity: ±0.1% - Ion Concentration: ±0.5% ±1 digit - Dissolved Oxygen: ±0.30 mg/L - Dissolved Oxygen Saturation: ±10.0% - Temperature: ±0.3°C ±1 digit 4. Input Impedance: Greater than 3 × 1012 Ω 5. Dissolved Oxygen Response Time: Not more than 45 s (90% response at 20°C) 6. Automatic Temperature Compensation Range: - pH: (0.0 to 100.0)°C - Conductivity: (0.0 to 100.0)°C - Dissolved Oxygen: (0.0 to 40.0)°C 7. Power Supply: 4 AA alkaline batteries 8. Dimensions (mm): 210 × 100 × 45 9. Instrument Weight: 0.5 kg 10. Chassis Model Number: WXS-A006-1