Rosemount 644 Temperature Transmitter SELECTED OPTIONS: Transmitter Type: DIN A head mount; single sensor input Output Protocol: 4-20mA with digital signal based on HART protocol Product Certifications: No approval PlantWeb Functionality: None Enclosure: Aluminum Housing Style: Rosemount connection head Conduit Entry Size: 1/2-14 NPT Mounting Bracket: Not available Display: LCD Meter Software Configuration: None Enhanced Performance: Not included (standard accuracy and stability) Alarm Level Configuration: None Line Voltage Filter: Not included Sensor Trim: None Calibration: Factory standard, no certificate SIS Safety Certified: Not included External Ground Lug Assembly: Not included Integral Transient Protector: Not included Cable Gland: Not included Cover Chain: Not included Conduit Electrical Connector: Not included External Label: Not included HART Configuration: Revision 5 Assembly Option: None (no sensor) Warranty: 1-year HART 7: Only available with rail moun