Technical data and dimensions
12
12.1
Technical data
Note for approved transmitters
Device specifications:
Siemens makes every effort to ensure the accuracy of these specifications, but
reserves the right to change them at any time.
Device-specific approvals:
The device-specific approvals are always to be found on the type plates on the
device.
Materials and weights
Materials, wetted parts
Antenna, process fitting
PVDF
Process seal
FKM
Materials, non-wetted parts
Housing
Plastic PBT (Polyester)
Housing seals
O-rings (silicone)
Cable gland
PA
Sealing, cable gland
NBR
Blind plug, cable gland
PA
Weight
0.7 kg (1.543 lbs)
Torques
Max. torque mounting boss
7 Nm (5.163 lbf ft)
Max. torque for NPT cable
glands and Conduit tubes
10 Nm (7.376 lbf ft)
Input variable
Measured variable
The measured variable is the distance between the antenna edge of
the transmitter and the medium surface. The antenna edge is also
the reference point for the measurement.
SITRANS LR140
Operating Instructions, 08/2020,
A5E50352144
45
