Features
- English menu display, easy to operate Isolated 4 mA to 20 mA current output
- Password function/Backlight control function Automatic calibration
- View electrode calibration performance
- The probe adopts high-performance high-precision electrodes
- In addition to optional general electrodes, the controller can also replace the electrodes
- Selected ingredients, exquisite workmanship, create better quality
- Numerical real-time display
- Intelligent detection of values without manual supervision
Technical Specifications
| PH Measurement range | -2 pH to 16 pH |
| PH Resolution | 0.01 pH |
| PH Accuracy | ± 0.01 pH |
| PH stability | < 0.02 pH per 24 h |
| PH standard solution | 6.86 or 4.00 or 9.18 |
| ORP Measurement range | 2000 mV |
| ORP Resolution | 1 mV |
| ORP Accuracy | ± 1 mV |
| ORP stability | < 1 mV per 24 h |
| ORP standard solution | any standard solution |
| Correction range | Zero point ± 1.50 pH, slope + 30 % |
| Temperature compensation | Manual temperature compensation or Pt 1000 automatic temperature compensation |
| Display | 128 x 64 dot matrix English display |
| Control method | Hi Lo Two, independent relay control outputs; one automatic cleaning relay control output (optional) |
| Relay load | Maximum AC 220 V, 3 A resistive load |
| Signal output | 4 mA to 20 mA isolated signal output, programmable, the maximum load is 500 Ω |
| Communication output | RS 485 (optional) |
| Input resistance | > 1 Ω × 1012 Ω |
| Alarm indication | Three sets of warning lights show high point, low point and cleaning status |
| Power supply | 220 V AC, 50 Hz, or 24 V DC (see product identification) |
| Power | 3 W |
| Installation method | Distribution box opening installation |
| TEMP Measurement range | 14 °F to 275 °F (-10 °C to 135 °C) |
| TEMP Resolution | 32.18 °F (0.1 °C) |
| TEMP Accuracy | 32.36 °F (± 0.2 °C) |
| TEMP stability | < 32.36 °F (0.2 °C) per 24 h |
| TEMP standard solution | nil |
| Working environment | Ambient temperature: 23 °F to 131 °F (-5 °C to 55 °C), relative air humidity: 90 % RH, no strong magnetic field interference except the earth’s magnetic field |
| Hole Size | 3.4 in x 3.4 in (8.8 cm x 8.8 cm) |
| Dimensions | 3.7 in x 3.7 in x 4.3 in (9.6 cm x 9.6 cm x 11 cm) |
| Weight | 22.92 oz (650 g) |






