Description
Feature
● All intelligent
● With digital and two analog isolation output
● Easy to maintain
● Waterproof and dust proof design
● Digital LCD display
● Record function
● Query
Technical specification
| Measurement range | pH 0 to 14 ORP -1999 to +1999 mV |
| Instrument stability | ± 0.05 pH (± 2 mV)/ 48 hour |
| Measurement error | ± 0.05 pH (± 2 mV) |
| Instrument resolution | ± 0.01 pH (1 mV) |
| Input impedance | >3 × 1012 Ω |
| Output signal | 4 to 20 mA. DC or RS 485(MODBUS) |
| Input signal | high impedance millivolt signal |
| Output load resistance | 4 mA DC to 20 mA DC, 0 to 500 Ω |
| Alarm setting range | 0 pH to 14 pH (can be set) |
| Alarm setting hysteresis width | full scale hysteresis setting |
| Alarm output contact capacity | 250 V DC, 3 A |
| Temperature measurement range | 14 °F to 302 °F (- 10 °C to 150 °C) |
| Operating ambient temperature | 14 °F to 131 °F (- 10 °C to 55 °C) |
| Power supply | 220 V AC ±10%, 50 Hz, 15 W |
| Temperature compensating range | 14 °F to 212 °F (- 10 °C to 100 °C) |
| Temperature compensating error | <0.005 PH / °C |
| Protection grade | IP 65 |
| Dimension | 8.27 in × 7.28 in × 4.13 in (210 mm × 185 mm × 105 mm) |