Rosemount™ 644 Temperature Transmitter

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Product 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.

Dane techniczne

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

Charakterystyka

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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