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6 rosemount 644 temperature transmitter 4 connection head

Rosemount™ 644 Temperature Transmitter

Specifications:

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, LCD Display with Local Operator Interface (LOI), or LED
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
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Description

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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