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Rosemount 644 Temperature Transmitter Supplier

Oct 20, 2016

Basic Info

  • Model NO.:Rosemount 644


Product Description

The Rosemount 644 Temperature Transmitter offers a flexible and reliable solution to any temperature measurement need. As a highly accurate transmitter that comes in either HART, FOUNDATION Fieldbus or PROFIBUS PA communication protocols, as well as Head or Rail mount form factors, the Rosemount 644 Temperature Transmitter is designed to meet your most demanding applications. Available LCD display and Local Operator Interface provide local measurement indication and Transmitter-Sensor Matching functionality provides unmatched accuracy for a transmitter and RTD sensor measurement point. See Features & Benefits below for the complete model offering overview.

 
 
Features & Benefits of Rosemount 644 Temperature Transmitter Ability to accept universal sensor inputs (RTDs, T/C, mV and ohm)

Transmitter-Sensor Matching improves system accuracy up to 75% Ambient Temperature Compensation functionality

Variety of enclosure options for Head Mount including polished stainless steel housings for biotechnology, pharmaceutical and other sanitary applicationsAvailable as an installation-ready Complete Point Solution that includes a variety of sensors, thermowells and enclosures

 


Appliction


Used for


RTD, TC, Ohm, mV


Specifications


Power supply:


12-32VDC


Output:


4-20 mA with HART (2-WIRE)


Stability:


0.01°C (RTD),
0.1°C(E J K N T)
0.2°C(B R S)


Accuracy:


0.01°C(RTD)
0.5°C(E J K N T)
1.0°C(B R S)


Load resistance


≤ (U-10)/0.22


Relative humidity:


10%-90%RH


Operating temperature


-40°C~+85°C                     


Dimension:


Diameter Φ=44mm


Mounting hole pitch:


D=33mm


Weight:


About35g


Sensor Type
RTD(Resistance Thermometer):                                     
PT50,PT100,PT500,Pt1000
TC (Thermocouple):                                        
E ,J, K, N ,T ,B, R ,S                                  
Ohm:0 ~ 500Ω, 0 ~ 4500Ω                                       
Millivolt:-120 ~120mV, -1000 ~ 1000Mv                             



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