Technical Specifications
| Measuring Range | PH 0 pH to 14 pH, ORP -1900 mV to +1900 mV |
| Accuracy | ± 0.02 PH; ± 1 mV |
| Resolution | 0.01 PH; 1 mV |
| Stability | ≤ 0.02 PH per 24 hours; ≤ 3 mV per 24 hours |
| PH Standard Solution | 4.00 or 6.86 or 9.18 |
| Display Mode | 128 X 64 Dot matrix LCD |
| Signal Output | 4 mA to 20 mA Isolation protection output, Maximum loop resistance 300 Ω |
| Alarm Output | One set of high and low limit alarm contacts 3 A or 250 V AC, normally open contact relay |
| Power Supply | AC 220 V ± 10 % 50 Hz |
| Power Consumption | < 3 W |
| Humidity | ≤ 85 % RH |
| Environmental Conditions | (1) Temperature 32.0 °F to 140.0 °F (0 °C to 60 °C) |
| Dimensions | 3.78 in x 3.78 in x 4.33 in (96 mm × 96 mm × 110 mm) |
| Opening Size | 3.62 in x 3.62 in (92 mm × 92mm) |
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