

Technical Indexes | Functions | pH | ORP |
| Measuring range | -2.00pH to +16.00 pH | -2000mV to +2000mV |
| Resolution | 0.01pH | 1mV |
| Accuracy | ±0.01pH | ±1mV |
| Temp. compensation | Pt 1000/NTC10K | |
| Temp. range | -10.0 to +130.0℃ | |
| Temp. compensation range | -10.0 to +130.0℃ | |
| Temp. accuracy | ±0.5℃ | |
| Display | Back light, dot matrix | |
| pH/ORP current output1 | Isolated, 4 to 20mA output , max. load 500Ω | |
| Temp. current output 2 | Isolated, 4 to 20mA output , max. load 500Ω | |
| Current output accuracy | ±0.05 mA | |
| RS485 | Mod bus RTU protocol | |
| Baud rate | 9600/19200/38400 | |
| Maximum relay contacts capacity | 5A/250VAC,5A/30VDC | |
| Language selection | English/ Chinese | |
| Waterproof grade | IP65 | |
| Power supply | From 90 to 260 VAC, power consumption < 4 watts, 50/60Hz | |
| Material | ABS | |
| Installation | panel/wall/pipe installation | |
| Size/Weight | 144mm×144mm×104mm, 0.9Kg | |