GAOTek Portable PH Meter
The meter is suitable for measuring the pH, ORP, ion, conductivity, TDS, salinity, resistivity and dissolved oxygen.
Description
Description
Features
- Equipped with a backlit LCD display
- 1 to 5 points push button calibration with auto buffer recognition
- Selectable pH buffer group or using the custom calibration solutions
- Automatic electrode diagnosis with pH slope and offset display
- 1 point offset calibration allows adjusting the displayed value to a known standard
- Relative and absolute millivolt modes provide the reliable ORP measurements
- 2 to 5 points calibration, including the 8 concentration points can be selected
- Automatically recognises the ion selective electrode
- Direct ion concentration readout simplifies the measurement process
- Selectable concentration units, including the ppm, mg/L and mol/L
- 1 to 5 points calibration, automatically recognises conductivity standard solutions
- Selectable cell constant, reference temperature, TDS factor, linear or pure water compensations, seawater and practical salinity measurement modes
- 1 or 2 points calibration using the air saturated water or zero oxygen solution
- Selectable the salinity and barometric pressure compensation coefficients
- Automatic Temperature Compensation ensures accurate readings over entire range
- Calibration Due Alarm prompts user to calibrate the meter regularly
- Stability indicator shows when a measurement is recognised as stable
- Auto read 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
- 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 computer by USB communication interface
- Multi-mode power scheme ensures that use the meter smoothly
Technical Specifications
| Range | -2.000 pH to 20.000 pH |
| Accuracy | ± 0.002 pH |
| Resolution | 0.1, 0.01, 0.001 pH, Selectable |
| Calibration Points | 1 to 5 Points |
| PH Buffer Options | USA, NIST, DIN or Custom |
| Range | ± 1999.9 mV |
| Accuracy | ± 0.2 mV |
| Resolution | 0.1, 1 mV, Selectable |
| Calibration Points | 1 Point |
| Measurement Modes | Relative or Absolute mV |
| Range | 0.001 to 19999 (Depending 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 |
| Range | 0.01 to 20.00, 200.0, 2000 µS/cm, 20.00, 200.0 mS/cm |
| Accuracy | ± 0.5 % F.S |
| Resolution | 0.001, 0.01, 0.1, 1 |
| Calibration Points | 1 to 5 Points |
| Calibration Solutions | 10 µS/cm, 84 µS/cm,1413 µS/cm,12.88 mS/cm,111.8 mS/cm |
| Compensation Modes | Linear or Pure Water |
| Cell Constant | K=0.1, 1, 10 or Custom |
| Range | 0 to 10.00, 100.0, 1000 ppm, 10.00, 100.0 ppt (Max. 200 ppt) |
| Accuracy | ± 1 % F.S |
| Resolution | 0.01, 0.1, 1 |
| TDS Factor | 0.1 to 1.0 (Default 0.5) |
| Range | 0.00 ppt to 80.00 ppt, 0.00 psu to 42.00 psu |
| Accuracy | ± 1 % F.S |
| Resolution | 0.01 |
| Measurement Modes | Practical salinity (psu) or Natural seawater (ppt) |
| Range | 0.00 MΩ to 20.00 MΩ |
| Accuracy | ± 1 % F.S |
| Resolution | 0.01, 0.1, 1 |
| Customised Support | OEM |
| Temperature Coefficient | 32 °F to 50 °F (0 °C to 10 °C) or % |
| Reference Temperature | 68 °F or 77 °F (20 °C or 25 °C) |
| Dimension | 6.69 in x 3.34 in x 1.18 in (170 mm x 85 mm x 30mm |
| Weight | 0.66 lb (0.30 kg) |