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