Features
- Dissolved Oxygen Measurement
- pH Measurement
- Temperature Measurement
- Calibration Function
- Automatic Temperature Compensation (ATC)
- Replaceable DO and pH Electrodes
- Waterproof Design
- Data Logging
- Data Storage
- LCD Display
- Accuracy
Technical Specification
| Display | LCD screen |
| Measurement range | -2 pH to 19.99 pH |
| Resolution | 0.1/0.01 pH |
| Accuracy | ±0.02 pH |
| Stability | ±0.01 pH/3 h |
| Temperature range | 32 °F to 212 °F (0℃ to 100℃) |
| Temperature compensation | 32 °F to 212 °F (0 ℃ to 100℃) |
| mV range | -1999.9 mV to 1999.9 mV |
| mV resolution | 1 mV |
| pH Calibration | 1, 2, 3 points |
| DO Measuring range | 0 mg/L to 20.00 mg/L(ppm) ,0% to 200.0% |
| Resolution | 0.1/0.01 mg/L(ppm) ,1/0.1 % |
| Accuracy | ±0.40 mg/L, ±0.3% |
| Response time | ≤30 s (77 °F (25℃), 90% response) |
| Residual current | ≤0.1 mg/L |
| Salinity compensation range | 0 ppt to 45 ppt (automatic) |
| Air pressure compensation | 11.6 PSI to 15.2 PSI (80 kPa to 105 kPa) (automatic) |
| Automatic calibration | Air saturated by water, water saturated by air |
| Electrode type | Polarographic |
| Data storage | 150 groups |
| Storage contents | Measurement series number, measuring value, temperature, ATC or MTC state, measuring date and time |
| Power | DC 12 V/1 A |
| Communication interface | USB |
| Ambient temperature | 41 °F to 95 °F (5 ℃ to 35 ℃) |
| Ambient humidity | ≤85% |
| IP grade | IP 54 |
| Dimensions & Weight | 9.44 in x 6.69 in x 2.75 in (240 mm × 170 mm × 70 mm)/1.32 lb (600 g) |
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