ROSEMOUNT 644 TEMPERATURE TRANSMITTER 644HANAJ6M5C2F6Q4 TRANSMITTER TYPE AND MEASUREMENT CONFIGURATION: DIN A HEAD MOUNT - SINGLE SENSOR INPUT TRANSMITTER OUTPUT: 4-20 MA WITH DIGITAL SIGNAL BASED ON HART PROTOCOL PRODUCT CERTIFICATIONS: NO HAZARDOUS LOCATION APPROVAL ENCLOSURE OPTIONS | MATERIAL | CONDUIT ENTRY SIZE: UNIVERSAL HEAD (JUNCTION BOX) WITH 50.8MM (2-IN) SST PIPE BRACKET | ALUMINUM | �-14 NPT DISPLAY AND INTERFACE OPTIONS: LCD DISPLAY SENSOR TRIM: TRANSMITTER-SENSOR MATCHING - TRIM TO SPECIFIC ROSEMOUNT RTD CALIBRATION SCHEDULE (CVD CONSTANTS) LINE FILTER: 60 HZ LINE VOLTAGE FILTER CALIBRATION CERTIFICATE: 3-POINT CALIBRATION