Rosemount 644 Temperature Transmitter
| Type | Data source |
|---|---|
| 644 | Product Data Sheet 00813-0100-4728, Rev LA |
Digital Accuracy U(da)
± 0.03%
Drift (stability) U(d)
± 0.075°C or ± 0.075%, whichever is greater, per year
Power supply effect U(ps)
± 0.005% of calibrated span per volt change.
Ambient temperature effect U(tamb)
| Sensor | Digital Accuracy (°C) | D/A Accuracy (% span) |
| PT100 | ± 0.003 °C | ± 0.001 % |
| PT200 | ± 0.004 °C | ± 0.001 % |
| PT500 | ± 0.003 °C | ± 0.001 % |
| PT1000 | ± 0.003 °C | ± 0.001 % |