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 %

 

 

Back