Rosemount 644 Temperature Transmitter
002807-HW-ROSE-007
Overview
The Rosemount 644 temperature transmitter is designed for use in control applications where the loss of the temperature points may be detrimental. These highly accurate Rosemount 644 temperature transmitters are available in a variety of mounting styles, field housings, and communication protocols to meet your demanding installation requirements.
- User-selectable inputs
- 4-20 mA HART or FOUNDATION fieldbus output
- Optional five-digit integral LCD display
- Input/output isolation tested to 500VAC rms
- 707VDC @50/60Hz
- Head mount or rail mount
Each Rosemount 644 temperature transmitter is a 2-wire design providing either a 4-20 mA/HART or a completely digital FOUNDATION fieldbus ouput. Each unit can be configured for a variety of sensor inputs: RTD, themocouple, millivolt, or ohm. The advanced Rosemount 644 temperature transmitter powers PlantWeb ® by communicating important temperature diagnostics and PlantWeb alerts to ensure process health and enable economical single-sensor architecture.