| 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) |
