Benchtop Multiparameter Water Quality Meter PH-900
Benchtop Multiparameter Water Quality Meter PH-900
PH Mode:
1 to 5 points push-button calibration with auto-buffer recognition, selectable pH buffer standards, resolution, and temperature units. Automatically calculates and displays electrode slope that helps you decide whether to replace pH electrode
ORP Mode:
- Single point offset calibration allows user adjusts displayed value to a known standard.
- Absolute or Relative mV measurements provides accurate readings
Ion Mode:
- Standard BNC connector can connects many Ion selective Electrode.
- 2 to 5 points push-button calibration from low to high concentrations.
- Selectable multiple concentration units, including ppm, mg/L, mol/L.
- Direct readout ion concentration simplifies measurement process.
- mV measurement allows user to check performance of ion electrode.
Conductivity/TDS/Salinity Mode:
- Up to 5-point push-button calibration allows user to uses customized calibration solutions.
- Adjustable TDS factors, cell constants, temperature coefficients and normalization temperature.
- Selectable linear or pure water compensation modes.
- In salinity measurement modes, selectable practical salinity (PSU) or seawater measurement standard (ppt).
Dissolved Oxygen Mode:
- 1 or 2 points auto-calibration (100% in saturated air or air-saturated water, 0% in zero oxygen solution).
- Manual salinity and barometric pressure compensation.
- Selectable readout in ppm, mg/L or percentage saturation.
Features
- Automatic Temperature Compensation (ATC) ensures highly accurate measurements over the entire range
- Calibration due reminder helps you to calibrate meter regularly
- Automatic endpoint function freezes stable measured values
- Help message as a operational guide to helps you understand how to use meter
- Setup menu lets user customize the calibration points, stability conditions, date and time to meet measurement requirements
- Expanded memory stores and recalls up to 500 readings
- Built-in real-time clock stamps stored data to meets GLP
- Stored data can be transferred into PC via USB communication interface
Specification
| pH Range | -2.000~20.000pH |
| pH Accuracy | ±0.002pH |
| Resolution | 0.001, 0.01, 0.1pH, selectable |
| Calibration Points | Up to 5 points |
| Calibration Solutions | USA(pH1.68/4.01/7.00/10.01/12.45), NIST(pH1.68/4.01/6.86/9.18/12.45), DIN(pH1.09/4.65/6.79/9.23/12.75 |
| IonConcentrationRange | 0.001~19999ppm, mg/L, mol/L (Depending on measuring range of Ion selective Electrode) |
| Ion Concentration Accuracy | ±0.5% Full Scale (Monovalent), ±1% Full Scale (Divalent) |
| Calibration Points | 2 to 5 points |
| Calibration Solutions | 0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000ppm, mol/L, mg/L |
| mV Range | -1999.9~1999.9mV |
| mV Accuracy | ±0.2mV |
| Resolution | 0.1, 1mV, selectable |
| ConductivityRange | 0~20mS/cm (Max.200mS/cm) |
| Conductivity Accuracy | ±0.5% Full Scale |
| Calibration Points | Up to 5 points |
| Calibration Solutions | 10uS/cm, 84uS/cm, 1413uS/cm, 12.88mS/cm, 111.8mS/cm |
| TDSRange | 0~10ppt (Max. 20ppt, Depending on factor setting) |
| TDS Accuracy | ±1% Full Scale |
| TDS Factor | 0.1~1.0 (Default 0.5) |
| SalinityRange | 0~10ppt (Max.80ppt) |
| Salinity Accuracy | ±1% Full Scale |
| Salinity Measurement Modes | Practical Salinity (PSU) or Seawater Measurement Standard (ppt) |
| ResistivityRange | 0~100MΩ |
| Resistivity Accuracy | ±1% Full Scale |
| Resolution | 0.001, 0.01, 0.1, 1, Automatic |
| Temperature Coefficient | 0.0~10.0% per °C |
| Compensation Modes | Linear or Pure Water |
| Cell Constant | K=0.1, 1, 10, selectable |
| Normalization Temperature | 20°C or 25°C |
| DissolvedOxygenRange | 0.00~20.00mg/L or ppm |
| Resolution | 0.01, 0.1mg/L, selectable |
| Dissolved Oxygen Accuracy | ±0.2mg/L (Calibration and measurement under the conditions of same temperature) |
| Accuracy | ±2.0% |
| Salinity Correction | 0~50g/L |
| Pressure Correction | 60.0~112.5kPa, 450~850mmHg |
| TemperatureRange | 0~105°C, 32~221°F |
| Temperature Accuracy | ±0.5°C, ±0.9°F |
| Temperature Calibration | Manual |
| Temperature Compensation | 0~100°C, 32~212°F, Automatic or Manual; DO Mode: 0~50°C, 32~122°F, Automatic |
| Auto-Off | Manual or Automatic (10, 20, 30 minutes after last key pressed, selectable) |
| Hold Function | Manual or Automatic |
| Stability Conditions | Low or High, selectable |
| Calibration due reminder | 0 to 30 days |
| Reset Function | Yes |
| Memory | 500 data sets with Date/Time stamping |
| Output | USB Communication Interface |
| Connector | BNC and 6-pin connector |
| Power Requirements | DC5V, using AC adapters, 220VAC/50Hz |
| LCD Display | Custom dual-display LCD (130×110mm) |
| Dimensions | 210(L)×188(W)×60(H)mm |
| Weight | 1.2kg |
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