Technical Specifications
| Display | LCD screen |
| Measurement Range | -2 pH to 19.99 pH |
| Resolution | 0.1 pH or 0.01 pH |
| Accuracy | ±0.02 pH |
| Stability | ±0.01 pH/s3h |
| 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% |
| Resolution | 0.1 mg/L (ppm) or 0.01 mg/L (ppm) 1% or 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 | 11.60 PSI to 15.22 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 |
| IP Grade | IP 54 |
| Ambient Humidity | ≤85% |
| Ambient Temperature | 41 ºF to 95 ºF (5 ℃ to 35 ℃) |
| Temperature Range | 32 ºF to 212ºF (0 ℃ to 100 ℃) |
| Temperature Compensation | 32 ºF to 212 ºF (0 ℃ to 100℃) |
| Dimension | 9.44 in x 6.69 in x 2.27 in (240 mm × 170 mm × 70 mm) |
| Weight | 1.32 lb (600 g) |
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