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Rosemount 644 Dual and Single Sensor Temperature Transmitter for Accurate Field Measurement

Brand Name:	Emerson-Rosemount
Model Number:	644
MOQ:	1
Price:	Negotiations

Detail Information

Product Description

Detail Information

Place of Origin:

Singapore

Type:

Tempreture Transmitter

Input:

Dual And Single Sensor

Output:

Signal 4-20 MA /HART Protocol

Packaging Details:

New original box

Highlight:

Single Sensor Temperature Transmitter

Dual Sensor Temperature Transmitter

Rosemount 644 Temperature Transmitter

Product Description

Rosemount 644 Temperature Transmitter Hart protocol Transmitter Sensor

All of Rosemount orders will be ordered acorring to your requirements!

Specifications:

1. Functional 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 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

2. Physical specifications-Electrical connections

Rosemount model	Power and sensor terminals
644 Head (HART)	Captivated screw terminals permanently fixed to terminal block
644 Head (F OUNDATION Fieldbus/PROFIBUS)	Compression screw terminals permanently fixed to the terminal block
644 Field Mount (HART)	Captivate screw terminals permanently fixed to the terminal block
644 Rail (HART)	Compression screw permanently fixed to front panel

Description:

Rosemount 644 Family of Transmitters
Fit your needs within one model family with a customizable transmitter design
 DIN Head mount, field mount, and rail mount form factors
 4-20 mA/HART ® with Selectable Revisions, F OUNDATION ™ Fieldbus or PROFIBUS ® PA Protocol
support
 SIL3 Capable: IEC 61508 certified by an accredited 3rd party agency for use in safety instrumented systems up to SIL 3 [Minimum requirement of single use (1oo1) for SIL 2 and redundant use (1oo2) for SIL 3]
 Enhanced display with Local Operator Interface (LOI)
 LCD display
 Integral Transient Protection
 Enhanced accuracy and stability
 Transmitter-Sensor Matching with Callendar Van Dusen constants
 Variety of enclosures

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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products details

Rosemount 644 Dual and Single Sensor Temperature Transmitter for Accurate Field Measurement

Rosemount 644 Dual and Single Sensor Temperature Transmitter for Accurate Field Measurement

Single Sensor Temperature Transmitter

Dual Sensor Temperature Transmitter

Rosemount 644 Temperature Transmitter