Description
Overview
GAOTek Portable pH/ORP/Conductivity Meter is equipped with pH electrode, ORP electrode, and conductivity electrode, and automatic identification of electrode by meter. Built-in microprocessor chips, intelligent functions such as automatic calibration, automatic temperature compensation, data storage, function set-up, self-diagnose information, automatic power-off, and low voltage display. Automatic identification of 13 pH standard buffer solutions, three options of standard buffer solutions: Europe and America series, NIST series, and China series. Able to set pH measurement modes of high-purity water and pure water with ammonia.
Features
- Advanced conductivity tech, K=1 electrode, one-point calibration, 0.5μS/cm-200mS/cm accuracy.
- Switch modes: conductivity, TDS, salinity, resistivity; precise TDS/salinity conversion.
- Non-linear temp compensation for high-purity water in conductivity mode.
- IP57-rated meter includes calibration solution, portable case.
Technical Specifications
| PH Measuring range | -2 pH to 19.99 pH |
| PH Resolution | 0.1/0.01 pH |
| PH Accuracy | Meter: ±0.01pH; Overall: ±0.02pH |
| PH Input Current | ≤2 × 10-12 A |
| PH Input Impendence | ≥1 × 1012 Ω |
| PH Stability | ±0.01 pH/3h |
| Temp. Compensation Range | 32 °F to 212 °F (0 °C to 100 °C) (automatic) |
| Measuring Range (MV/ORP/EH) | -1999 mV to 1999 mV |
| ORP Resolution | 1 mV |
| Accuracy | Meter: ±0.1% FS, Overall: ±15mV |
| Measuring Range | (0.00 to 20.00) μS/cm (20.0 to 200.0) μS/cm (200 to 2000) μS/cm (2.00 to 20.00) mS/cm (20.0 to 200.0) mS/cm |
| Resolution | 0.01/0.1/1 μS/cm 0.01/0.1 mS/cm |
| Accuracy | Meter: ± 1.0% FS, overall: ±1.5% FS |
| Temp. Compensation Range | (0 °C to 50 °C) (manual) |
| Electrode Constant | 0.1 / 1 / 10 cm-1 |
| Benchmark Temperature | 68 °F 77 °F 64.4 °F (25 °C, 20 °C and 18 °C) |
| Data Storage | 200 Groups |
| Storage Content | Series number, measuring value measuring unit and temperature, |
| Power | Two AA batteries (1.5 V x2) |
| Size And Weight | Meter: 2.56 in x 4.72 in x 1.22 in. (65× 120× 31) mm Suitcase:14.17 in x 10.63 in x 2.99 in (360 mm × 270 mm × 76 mm) |
| Quality And Safety Certification | ISO 9001:2000, CE, and CMC |
| Environment Temperature | 41 °F to 95 °F (5 °C to 35 °C) (0.01 grade) |