| pH measuring range |
-2.00 pH to +16.00 pH |
| pH resolution |
0.01 pH |
| pH accuracy |
±0.01 pH |
| ORP measuring range |
-2000 mV to +2000 mV |
| ORP resolution |
1 mV |
| ORP accuracy |
±1 mV |
| Input impedance |
>1012 Ω |
| Display |
Back light, dot matrix |
| pH or ORP current output 1 |
Isolated, 4 to 20 mA output, maximum load 500 Ω |
| Temperature current output 2 |
Isolated, 4 to 20 mA output, maximum load 500 Ω |
| Current output accuracy |
±0.05 mA |
| RS485 |
Mod bus RTU protocol |
| Baud rate |
9600 bps or 19200 bps or 38400 bps |
| Maximum relay contacts capacity |
5 A or 250 V AC, 5 A or 30 V DC |
| Cleaning setting |
ON 1 second to 1000 seconds, OFF 0.1 hours to 1000.0 hours |
| One multifunction relay |
Clean or period alarm or error alarm |
| Relay delay |
0 second to 120 seconds |
| Data logging capacity |
500,000 times |
| Language selection |
English or traditional Chinese or simplified Chinese |
| Waterproof grade |
IP65 |
| Power supply |
From 90 V AC to 260 V AC, power consumption < 5 W |
| Installation |
Panel or wall or pipe installation |
| Temperature compensation |
Pt 1000 or NTC10K |
| Temperature range |
14 °F to 266 °F (-10.0 ℃ to +130.0 ℃) |
| Temperature compensation range |
14 °F to 266 °F (-10.0 ℃ to +130.0 ℃) |
| Temperature resolution |
32.18 °F (0.1 ℃) |
| Temperature accuracy |
± 32.36 °F (0.2 ℃) |
| Ambient temperature range |
32 °F to 158 °F (0 °C to +70 ℃) |
| Storage temperature |
-4 °F to 158 °F (-20 °C to +70 ℃) |
| Weight |
29.98 oz (850 g) |
