Rosemount 644 Temperature Transmitter , Hart Temperature Transmitter Field Mount

Rosemount 644 Temperature Transmitter Hart protocol Transmitter Sensor


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

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.

1. Rosemount 644 HART Transmitters
2. Rosemount 644 F OUNDATION Fieldbus
3. Rosemount 644 PROFIBUS PA





Ordering Information( A part )

The Rosemount 644 is a versatile temperature transmitter that delivers field reliability and advanced accuracy and stability to meet demanding process needs.
Transmitter features include:
 HART/4–20 mA with Selectable Revision 5 and 7 selectable (option code A), F OUNDATION Fieldbus (option code F) or PROFIBUS PA (option code W)
 DIN A head mount, field mount, or rail mount transmitter styles
 Dual sensor Input (option code S)
 SIS SIL 2 Safety Certification (option code QT)
 LCD display (option code M5)
 LOI (option code M4)
 Advanced diagnostics (option codes DC and DA1)
 Enhanced transmitter accuracy and stability (option code P8)
 Transmitter-Sensor Matching (option code C2)





Dimensional drawings​ ( A part )



If you need more order information , we can send you the complete datasheet.

Certifications:

1.Certificate of Origin

2.Calibration Certificate

3.Material Traceability Certification


Rosemount Temperature Transmitter 644 Pictures:




Rosemount items we sold before:

high temperature differential pressure transmitter

absolute pressure transmitter

Rosemount 644 Temperature Transmitter , Hart Temperature Transmitter Field Mount Images