| Function Model | PH/ORP-600 - Single channel PH or ORP Controller |
| Range | 0.00～14.00pH, ORP：-1200～＋1200 mV |
| Accuracy | PH : ±0.1 pH , ORP：±2mV |
| Temp. Comp. | 0–100 ℃, manual / automatic (PT1000, NTC 10k, RTD ) |
| Operation Temp. | 0～60℃(normal) , 0～100℃(optional) |
| Sensor | The composite electrode (Sewage, Pure water) |
| Calibration | 4.00；6.86；9.18 Three Calibration |
| Display | LCD display |
| Control output signal | High and low limit alarm contact each group（3A/250 V AC）, |
| Current output signal | Isolation,Reversible Transferable 4-20mA signal output, max circle resistance 750Ω |
| Communication signal | Modbus RS485, baud rate: 2400, 4800, 9600 (Optional) |
| Power supply | AC 110/220V±10%, 50/60Hz |
| Working environment | Ambient Temp. 0～50℃, Relative Humidity ≤85% |
| Overall dimensions | 48×96×100mm (H X W X D) |
| Hole dimensions | 45×92mm (H X W) |