| Isolated front-end | Yes | |
|---|---|---|
| pH input current | 4 (max) | pA |
| pH Resolution | 0.005 | pH |
| pH connection | On board BNC connector, plastic threaded for isolation | |
| Supply voltage range | 12 - 24 | Volts DC |
| Supply current | 65/70 | mA (12/24 VDC) |
| RTD type | PT1000 | |
| RTD resolution | 0.13 | °C |
| RTD accuracy | 1 | % |
| Thermistor resistance | 2K - 10K, 10K preferred | Kohms |
| Thermistor resolution | 0.3 | °C (10K thermistor, 0 - 60°C) |
| Thermistor Excitation Voltage | 10 | Volts |
| Thermistor Source Resistance | 39K | KOhms |
| Xwire interface | TTL and RS485 | Pin Jumper selectable |
| Xwire address range | 0 - 249 | Pin jumper selectable |
| Xwire pH data | Floating point number normalised to 1.0 | |
| Xwire Thermistor data | Floating point number normalised to 1.0 | |
| Xwire RTD data | Floating point number normalised to 1.0 |