644SAI1R1M5Q4EL

Description

Rosemount™ 644 Temperature Transmitter
S : DIN A Head Mount – Dual Sensor Input (HART only)
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)
EL : External Label for ATEX Intrinsic Safety.