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Rosemount 644 Temperature Transmitter

Rosemount 644 Temperature Transmitter Feature : 1. Attach the thermowell to the pipe or process container wall. Install and tighten thermowells before applying process pressure. 2. Attach necessary extension nipples and adapters to the thermowell.Seal the nipple and adapter threads with silicone...

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Rosemount 644 Temperature Transmitter

Rosemount 644 Temperature Transmitter

644 temperature transmitters offer superior performance and reliability compared to direct sensor wiring

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

2)Can greatly reduce wire and labor costs

3)Advanced diagnostics reduce the number of on-site repairs

4)Order complete temperature transmitters and temperature sensor assemblies to simplify installation, specifications and ordering, reducing costs

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


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


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