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Reference Manual
00809-0200-4728, Rev RA
Appendix A: Specifications and Reference Data
April 2015
Specifications and Reference Data
Humidity limits
0–95% relative humidity
Update time
≤ 0.5 seconds per sensor
Accuracy
(default configuration) PT 100
HART (0-100 °C): ±0.18 °C
±0.1 °C (when ordered with option P8)
A.1.2 Physical
Electrical connections
Field Communicator connections
Materials of construction
Materials of constructions (stainless steel housing for
biotechnology, pharmaceutical industries, and sanitary
applications)
Housing and Standard Meter Cover
316 SST
Cover O-ring
Buna-N
Model Power and sensor terminals
644 Head (HART) Captivated screw terminals permanently fixed to terminal block
644 Head (FF/PROFIBUS) Compression screw terminals permanently fixed to terminal block
644 Field Mount (HART) Captivated screw terminals permanently fixed to terminal block
644Rail (HART) Compression screw permanently fixed to front panel
Communication terminals
644H/F Clips permanently fixed to terminal block
644R Clips permanently fixed to front panel
Electronics housing and terminal block
644H/F GE polyphenylene oxide glass reinforced
644R Polycarbonate
Enclosure (options J5, J6, R1, R2, D1 and D2)
Housing Low-copper aluminum
Paint Polyurethane
Cover O-ring Buna-N
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