644HANAA1QTHR7 | Rosemount 644 Temperature Transmitter

Ordering Information Model 644 Temperature Transmitter Transmitter type H DIN A Head Mount - Single Sensor Input Output A 4–20 mA with digital signal based on HART protocol Product certifications NA No approval Alarm level configuration A1 NAMUR alarm and saturation levels, high alarm Quality certification for safety QT Safety Certified to IEC 61508 with certificate of FMEDA data HART revision configuration HR7(1) Configured for HART Revision 7 Configures the HART output to HART Revision 7. The device can be field configured to HART Revision 5 if needed.