Rosemount 644 HART Transmitters
644HI5L1
Single or dual sensor inputs for RTD, thermocouple, mV, and ohm
DIN A head mount and field mount transmitters
LCD display
Enhanced display with LOI
Integral transient protection
Diagnostic suite
Enhanced accuracy and stability
Transmitter–sensor matching with Callendar-Van Dusen constants
4-20 mA with digital signal based on HART protocol
H : DIN A Head Mount - Single Sensor Input
I5 : USA Intrinsically Safe; Non-incendive
