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Emerson Rosemount 644R User Manual

Emerson Rosemount 644R
48 pages
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Quick Start Guide
00825-0100-4728, Rev DB
April 2019
Rosemount
644H and 644R Smart
Temperature Transmitters
Device Revision 7 or Previous

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Emerson Rosemount 644R Specifications

General IconGeneral
TypeTemperature Transmitter
Measurement TypeTemperature
HART ProtocolHART 7
DisplayOptional LCD
InputRTD, Thermocouple, Ohms, mV
Sensor TypeRTD, Thermocouple
Output4-20 mA HART
Power Supply10.5 to 42 VDC
Temperature Range-40 to 85 °C
Process Temperature Range-40°C to 85°C (-40°F to 185°F)
EnclosureAluminum
Enclosure RatingIP66
MountingField
Stability±0.1% of URL per year

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