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644temperature transmitter: 4 to 20ma pt100


Descriptions :

 

The Rosemount 644H Temperature Transmitter can be mounted in a connector housing on the sensor 

to form an integrated temperature component, or mounted in a junction box away from the sensor; or 

using an optional mounting kit (00644-5301-0010), Rose The Monte 644H temperature transmitteris

mounted on the rail. Rosemount 644R temperature transmitter can be mounted directly on a wall or 

DIN rail

 

Main technicsl specifications :

 

Analog accuracy: ±0.03% of range

Digital accuracy: ±0.15°C (±0.27F), Pt100 thermal resistance

Ambient temperature influence: 0.003 ° C / 1.0 ° C, Pt100

Stability: ±0.1% within one year

Input: Thermocouple, Mv, ohm

Output: 4-20 mA, using HART communication protocol

Supply voltage: 12.0 to 42.4 volts

 

 Typical model code :

644HANAJ6M5XA   644HAK5J6M5   644HAE5J5M5   644HAI5J6M5   644HRNA



Main advantage :

Improve process efficiency, quality and productivity

Transmitter-sensor comparison function improves measurement accuracy of the entire system

Temperature correction circuit to reduce ambient temperature effects

Independent alarm circuit for detecting electronic board and sensor failure

Performance indicators of at least 3σ

Accuracy: ±0.15°C (±0.27oF), Pt100 thermal resistance

Stability: ±0.1% reading or ±0.1 °C, whichever is greater, 12 months, RTD and thermocouple input

Range setting is unlimited within the sensor range

Optional WAGO spring clip terminals provide anti-vibration connection for applications where no tightening is required

Optional WAGO spring clip terminals provide anti-vibration connection for applications where no tightening is required

Can greatly reduce wire and labor costs

Advanced diagnostics reduce the number of on-site repairs

Order complete temperature transmitters and temperature sensor assemblies to simplify installation, specifications and ordering, 

reducing costs

Excellent accuracy, stability and resistance to radio frequency interference, reducing process variability

 

Rosemount_644H_Temperature_Transmitter_without_enclosure__5937_4

Rosemount-644-Temperature-Transmitter

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