Rosemount 644 Temperature Transmitter

Ocean Part can supply Rosemount 644 Temperature Transmitter in quick and best ways. Please click to Send inquiry  for Rosemount Temperature transmitter 644 with P/N: 644HI1Q4

Rosemount 644 Temperature Transmitter
Rosemount 644 Temperature Transmitter


Rosemount 644 Temperature Transmitter Overview

Engineered for versatility, the Rosemount Temperature Transmitter 644 (Emerson 644) 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.

Rosemount 644 Temperature Transmitter Specifications


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

Field mount, DIN A head mount or rail mount

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

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

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

Rosemount 644 Temperature Transmitter Features

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

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Source: Emerson co.

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