Description
Overview
GAOTek portable pH/Ion meter contains 3 measurement modes, the meter is suitable for measuring the pH, ORP and ion concentration. Professional portable pH/ion meter is equipped with a 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. Automatic Temperature Compensation ensures accurate readings over the entire range.
Features
- Calibration Due Alarm prompts user to calibrate the meter regularly.
- Stability indicator shows when a measurement is recognized 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.
- Setup menu allows setting the 10 parameters
- Reset feature automatically resumes all settings back to default
- Expanded memory stores and recalls up to 500 data sets.
- Stored readings can be transferred into the computer.
- Multi-mode power scheme
Technical Specification
| Â Â pH | |
| Â Â Range | -2.000 pH to 20.000 pH |
|   Accuracy | ±0.002 pH |
| Â Â Resolution | 0.1 pH, 0.01 pH, 0.001 pH, selectable |
| Â Â Calibration Points | 1 to 5 points |
| Â Â pH Buffer Options | USA, NIST, DIN or Custom |
| Â Â mV | |
|   Range | ±1999.9 mV |
|   Accuracy | ±0.2 mV |
| Â Â Resolution | 0.1 mV, 1 mV, selectable |
| Â Â Calibration Points | 1 point |
| Â Â Measurement Modes | Relative or Absolute mV |
| Â Â Ion | |
| Â Â Range | 0.001 to 19999 (Depending on the range of ISE) |
|   Accuracy | ±0.5% F.S (Monovalent), ±1% F.S (Divalent) |
| Â Â 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) |
| Â Â Measurement Units | ppm, mg/L, mol/L, mmol/L |
| Â Â Temperature | |
|   Range | 32 °F to 221 °F (0 °C to 105 °C) |
|   Accuracy | 32.9 °F (±0.5 °C) |
|   Resolution | 0.1 °F (0.1 °C) |
| Â Â Calibration Points | 1 point |
|   Calibration Range | Measured value 50 °F (±10 °C) |
| Â Â General | |
|   Temperature Compensation | 32 °F to 212 °F (0 °C to 100 °C), Manual or Automatic |
| Â Â Data Hold | Manual or Auto-Endpoint |
| Â Â Stability Criteria | Low or High |
| Â Â Calibration Due Alarm | 1 to 31 days or off |
| Â Â Power Off | Manual or Automatic (10, 20, 30 minutes) |
| Â Â Reset Function | Yes |
| Â Â Memory | Stores up to 500 data sets |
| Â Â Output | USB communication interface |
| Â Â Connector | BNC |
| Â Â Display | LCD |
|   Power | 3 × 1.5 V AA batteries or DC 5 V power adapter |
| Â Â Battery Life | Approximately 150 hours (Turn off the backlit) |
|   Dimensions | 6.6 in x 3.3 in x 1.1 in (170 mm × 85 mm × 30 mm) |
| Â Â Weight | 0.6 lb (300 g) |