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Home > Transmitters > Rosemount > Rosemount Temperature Transmitter 644RANAC4Q4
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Rosemount Temperature Transmitter

Rosemount Temperature Transmitter 644RANAC4Q4 is designed for use in control applications where the loss of the temperature points may be detrimental.

Features

  • User-selectable inputs
  • 4-20 mA HART or FOUNDATION fieldbus output
  • Optional five-digit integral LCD display
  • Input/output isolation tested to 500 V ac rms; 707 V dc @50/60 Hz
  • Head mount or rail mount

Rosemount Temperature Transmitter

Versatile temperature transmitter delivers field reliability and advanced features to meet demanding process needs

Head & DIN rail mounting styles

Three interoperable protocols:
4-20 mA/HART® (with Selectable HART Revisions
5 and 7)
FOUNDATION Fieldbus
Profibus PA

Single and dual sensor input
SIS SIL 2 Safety Certified to IEC 61508
Transmitter Sensor Matching with Callendar-Van Dusen

LCD display suite
Local operator interface
Standard display

Expansive diagnostic offering
Hot Backup™
Sensor drift alert
Thermocouple degradation
Minimum and maximum tracking

0.1 °C accuracy and 5 year stability

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