TEMPERATURE TRANSMITTER GAGE ROSEMOUNT 644

Rosemount™ 644 Temperature Transmitter Engineered for versatility, the Rosemount 644 Temperature Transmitter is available with HART®, FOUNDATION™ Fieldbus or PROFIBUS® protocols in head, field or rail mount styles and a variety of enclosure options. By adding a Local Operator Interface (LOI), you can update your transmitter configuration in the field without tools. For diverse application requirements, this transmitter includes diagnostic capabilities, such as Hot Backup™ capability, sensor drift alert and thermocouple degradation.

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Description

TEMPERATURE TRANSMITTER GAGE ROSEMOUNT 644

Input

Dual and single sensor capability with universal sensor inputs (RTD, T/C, mV, ohms)

Output Signal
4-20 mA /HART® protocol, FOUNDATION™ fieldbus protocol, PROFIBUS® PA protocol

Housing
Field mount, DIN A head mount or rail mount

Display/Interface
LCD Display or LCD Display with Local Operator Interface (LOI)

Diagnostics
Basic diagnostics, Hot Backup™ capability, sensor drift alert, thermocouple degradation, min/max tracking

Calibration Options
Transmitter-sensor matching (Callendar-Van Dusen constants), 5-point calibration

Certifications/Approvals
SIL 2/3 certified to IEC 61508 by an independent 3rd party, hazardous location, marine type, see full specs for complete list of certifications

Extremely versatile temperature transmitter available in HART®, FOUNDATION™ Fieldbus or PROFIBUS® protocols

Diverse mounting configurations including head, field or rail mount with many enclosure options

LOI option eliminates the need for special configuration tools (i.e. field communicator) for ease-of-use

Transmitter-sensor matching with Callendar-Van Dusen constants reduces total measurement error

Hot Backup™ capability and sensor drift alert with dual sensors ensure measurement integrity

Thermocouple degradation diagnostic monitors thermocouple health to detect degradation before failure

Minimum and maximum temperature tracking observes temperature extremes for easy troubleshooting

Device dashboards provide easy interface for simplified device configuration and diagnostic troubleshooting