Description
Overview
GAOTek Benchtop Multiparameter Conductivity Meter is capable of measuring up to 9 water quality parameters, including pH, ORP, Ion, Conductivity, TDS, Salinity, Resistivity, Dissolved Oxygen etc.
Technical Specifications
| Ph Range | -2.00 pH to 20.00 pH |
| Ph Accuracy | ±0.002 pH |
| Resolution | 0.001, 0.01, 0.1 pH, 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 |
| Ion Concentration Range | 0.001 to 19999 ppm, 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 | -1999.9mV to 1999.9mV |
| Mv Accuracy | ±0.2mV |
| Resolution | 0.1, 1mV, selectable |
| Conductivity Range | 0 mS/cm to 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 |
| TDS Range | 0ppt to 10ppt (Max. 20ppt, depending on factor setting) |
| TDS Accuracy | ±1% Full Scale |
| TDS Factor | 0.1 to 1.0 (Default 0.5) |
| Salinity Range | 0ppt to10ppt (Max.80ppt) |
| Salinity Accuracy | ±1% Full Scale |
| Salinity Measurement Modes | Practical Salinity (PSU) or Seawater Measurement Standard (ppt) |
| Resistivity Range | 0 to 100MΩ |
| Resistivity Accuracy | ±1% Full Scale |
| Resolution | 0.001, 0.01, 0.1, 1, Automatic |
| Temperature Coefficient | 0.0 to 10.0% per °C |
| Compensation Modes | Linear or Pure Water |
| Cell Constant | K=0.1, 1, 10, selectable |
| Normalization Temperature | 68 °F or 77 °F (20 °C or 25 °C) |
| Dissolved Oxygen Range | 0.00 mg/L or ppm to 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) |
| % Saturation of Oxygen | 0.0% to 200.0% |
| Accuracy | ±2.0% |
| Salinity Correction | 0 g/L to 50g/L |
| Pressure Correction | 8.70 PSI to 16.31 PSI (60.0 kPa to112.5 kPa), 450 mmHg to 850 mmHg |
| Temperature Range | (32 °F to 221 °F) 0 °C to 105 °C |
| Temperature Accuracy | ±0.9 °F (±0.5 °C) |
| Temperature Calibration | Manual |
| Temperature Compensation | 32 °F to 212 °F (0 °C to 100°C), Automatic or Manual; DO Mode:32 °F to 122°F (0 °C to 50 °C), 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 | DC 5 V, using AC adapters, 220 V AC/50 Hz |
| LCD Display | Custom dual-display LCD 5.118 in x 4.331 in (130 mm x 110 mm) |
| Dimensions |  8.27 in x 7.40 in 2.36 in (210 mm × 188 mm × 60 mm) |
| Weight | Â 2.64 lb (1.2 kg) |