Description
Overview
GAOTek Portable Conductivity Tester is a versatile instrument equipped with six distinct measurement modes. This device is adept at measuring various key parameters including pH, ORP (Oxidation-Reduction Potential), conductivity, TDS (Total Dissolved Solids), salinity, and resistivity. Its multifunctionality makes it a valuable tool for a wide range of applications where precise and comprehensive water quality analysis is required.
Features
- Accurate readings via Automatic Temperature Compensation
- Calibration Due Alarm for regular calibration
- Stability indicator for recognized stable measurements
- Auto-Read locks measurement endpoint
- Battery indicator displays remaining capacity
- Auto-Power Off conserves battery
- Backlit LCD on portable pH/conductivity meter
- 1 point to 5 points push-button calibration with buffer recognition
- Selectable pH buffer group (USA/NIST/DIN) or custom solutions
- Automatic electrode diagnosis with pH slope and offset display
Technical Specifications
| pH Range | -2.000 pH to 20.000 pH |
| Accuracy | ±0.002 pH |
| Resolution | 0.1 pH, 0.01 pH, 0.001 pH (selectable) |
| Calibration Points | 1 point to 5 points |
| pH Buffer Options | USA, NIST, DIN, or Custom |
| mV | |
| Range | ±1999.9 mV |
| Accuracy | ±0.2 mV |
| Resolution | 0.1 mV, 1 mV (selectable) |
| Calibration Points | 1 point |
| Measurement Modes | Relative or Absolute mV |
| Conductivity | |
| Range | 0.01 to 20.00 µS/cm, 200.0 µS/cm, 2000 µS/cm, 20.00 mS/cm, 200.0 mS/cm |
| Accuracy | ±0.5% F.S |
| Resolution | 0.001, 0.01, 0.1, 1 |
| Calibration Points | 1 point to 5 points |
| Calibration Solutions | 10 µS/cm, 84 µS/cm, 1413 µS/cm, 12.88 mS/cm, 111.8 mS/cm |
| Reference Temperature | 68 °F (20 °C) (68 °F) or 77 °F (25 °C) |
| TDS | |
| Range | 0 ppm to 10.00 ppm, 100.0 ppm, 1000 ppm, 10.00 ppt (Max. 200 ppt) |
| Accuracy | ±1% F.S |
| Resolution | 0.01, 0.1, 1 |
| TDS Factor | 0.1 to 1.0 (default 0.5) |
| Salinity | |
| Range | 0.00 ppt to 80.00 ppt, 0.00 PSI to 42.00 PSI |
| Accuracy | ±1% F.S |
| Resolution | 0.01 |
| Measurement Modes | Practical salinity (psu) or Natural seawater (ppt) |
| Resistivity | |
| Range | 0.00 MΩ to 20.00 MΩ |
| Accuracy | ±1% F.S |
| Resolution | 0.01, 0.1, 1 |
| Temperature | |
| Operating Temperature | 129.2 °F (54 °C) |
| Storage Temperature | 179.6 °F (82 °C) |
| Dimensions | 2.36 in x 10.08 in (60 mm x 256 mm) |
| Weight | 3.64 lb (1.65 Kg) |
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