Bante900P-CN (PH Meter)High-performance multiparameter water quality meter contains the 8 measurement modes, the meter is suitable for measuring the pH, ORP, ion concentration, conductivity, TDS, salinity, resistivity and dissolved oxygen.pH Mode:• Portable multiparameter water quality meter is equipped with a large backlit LCD display.• 1 to 5 points push-button calibration with auto-buffer recognition.• Selectable pH buffer group (USA/NIST/DIN) or using the custom calibration solutions.• Automatic electrode diagnosis with pH slope and offset display.ORP Mode:• 1 point offset calibration allows adjusting the displayed value to a known standard.• Relative and absolute millivolt modes provide the reliable ORP measurements.Ion Mode:• 2 to 5 points calibration, including the 8 concentration points can be selected.• Automatically recognizes the ion selective electrode, does not need to specify type of ion.• Direct ion concentration readout simplifies the measurement process.• Selectable concentration units, including the ppm, mg/L and mol/L.Conductivity/TDS/Salinity/Resistivity Modes:• 1 to 5 points calibration, automatically recognizes the conductivity standard solutions.• Selectable cell constant (K=0.1/1/10), reference temperature (20/25°C), TDS factor, linear and pure water compensations, seawater and practical salinity measurement modes.Dissolved Oxygen Mode:• 1 or 2 points calibration using the air-saturated water or zero oxygen solution.• Salinity and barometric pressure compensations ensure the reliable DO measurements. Other Features:• Automatic Temperature Compensation provides accurate reading over the entire range.• Calibration Due Alarm prompts user to calibrate the meter regularly.• Stability indicator shows when a measurement is recognized as stable.• Auto-Hold feature senses and locks the measurement endpoint.• Battery indicator shows the remaining battery capacity.• Auto-Power Off effectively conserves battery life.• Calibration report provides the details for checking the electrode performance.• Setup menu allows setting the 15 parameters, including the number of calibration points, stability criteria, temperature unit, date and time, etc.• Reset feature automatically resumes all settings back to factory default options.• Expanded memory stores and recalls up to 500 data sets.• Stored readings can be transferred into the computer by USB communication interface.• Multi-mode power scheme (batteries, power adapter and USB port) ensures that use the meter smoothly.Specifications Model Bante900P pH Range -2.000~20.000pH Accuracy ±0.002pH Resolution 0.1, 0.01, 0.001pH, selectable Calibration Points 1 to 5 points pH Buffer Options USA, NIST, DIN or Custom mV Range ±1999.9mV Accuracy ±0.2mV Resolution 0.1, 1mV, selectable Calibration Points 1 point Measurement Modes Relative or Absolute mV Ion Range 0.001~19999 (Deponding on the range of ISE) Accuracy ±0.5% F.S (Monovalent), ±1% F.S (Divalent) Resolution 0.001, 0.01, 0.1, 1 Calibration Points 2 to 5 points (0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000) Measurement Units ppm, mg/L, mol/L, mmol/L Conductivity Range 0.01~20.00, 200.0, 2000µS/cm, 20.00, 200.0mS/cm Accuracy ±0.5% F.S Resolution 0.001, 0.01, 0.1, 1 Calibration Points 1 to 5 points Calibration Solutions 10µS/cm, 84µS/cm,1413µS/cm,12.88mS/cm,111.8mS/cm Temperature Coefficient 0.0~10.0%/°C Compensation Modes Linear or Pure water Cell Constant K=0.1, 1, 10 or Custom Reference Temperature 20°C or 25°C TDS Range 0~10.00, 100.0, 1000ppm, 10.00, 100.0ppt (Max. 200ppt) Accuracy ±1% F.S Resolution 0.01, 0.1, 1 TDS Factor 0.1~1.0 (Default 0.5) Salinity Range 0.00~80.00ppt, 0.00~42.00psu Accuracy ±1% F.S Resolution 0.01 Measurement Modes Practical salinity (psu) or Natural seawater (ppt) Resistivity Range 0.00~20.00MΩ Accuracy ±1% F.S Resolution 0.01, 0.1, 1 Dissolved Oxygen DO Range 0.00~20.00mg/L Accuracy ±0.2mg/L Resolution 0.1, 0.01mg/L, selectable % Saturation of Oxygen 0.0~200.0% Accuracy ±2.0% Resolution 0.1, 1% Calibration Points 1 or 2 points Pressure Correction 60.0~112.5kPa, 450~850mmHg Salinity Correction 0~50g/L Temperature Range 0~105°C, 32~221°F Accuracy ±0.5°C Resolution 0.1°C, 0.1°F Calibration Points 1 point Calibration Range Measured value ±10°C General Temperature Compensation 0~100°C, 32~212°F, Manual or Automatic Data Hold Manual or Auto-Endpoint Stability Criteria Low or High Calibration Due Alarm 1 to 31 days or Off Power Off Manual or Automatic (10, 20, 30 minutes) Reset Function Yes Memory Stores up to 500 data sets Output USB communication interface Connector BNC, 6-pin mini plug Display LCD Power 3×1.5V AA batteries or DC5V power adapter Battery Life Approximately 150 hours (Turn off the backlit) Dimensions 170(L)×85(W)×30(H)mm Weight 300g
