Temperature transmitter 644 LCD display head, accuracy 0.15%.
644 Plastic liquid crystal display head, suitable for Rosemount temperature transmitter 644, plays a display role.
Applicable product series: 644H Packing: boxed
Applications: Natural gas/pipelines
Accuracy: 0.15%
Voltage - Power supply: 24VDC
Port size: 1/2NPT
Port style: threaded connection
Features: two-wire system, four-wire system
Operating temperature: 130℃
Case: Plastic
Display: LCD display
Output signal: 4-20mA
Extremely versatile temperature transmitter for HART®, FOUNDATION™ Fieldbus or PROFIBUS® protocols
Multiple housing options for mounting configurations, including top, field or rail mounting
The LOI option eliminates the need for special configuration tools, such as field hand operators, for ease of use
Transmitter - sensor meets Callender - Van. Doussen constant matching reduces total measurement errors
The Hot Backup™ function and sensor drift warning feature dual sensors to ensure measurement integrity
The thermocouple aging diagnostic function monitors the health of thermocouples and prevents failures caused by aging
Minimum and maximum temperature tracking monitors temperature limits for easy troubleshooting
The device dashboard serves as a concise interface to simplify device configuration and perform diagnostic troubleshooting