644HAI1R1M5Q4

Description

Rosemount 644 Temperature Transmitter
H : DIN A Head Mount – Single Sensor Input
A : 4-20 mA with digital signal based on HART protocol
I1 : ATEX Intrinsic Safety
R1 : Rosemount Connection Head | Aluminum | M20 x 1.5 (CM20)
M5 : LCD Display
Q4 : Calibration Certificate (3-Point Calibration).