Process Conditions; Mechanical Stress; Air Purging System - Siemens SITRANS LR500 Series Operating Instructions Manual

Technical specifications
12.7 Operating conditions
12.7.3

Process conditions

For the process conditions, please also note the specifications on the nameplate. The lowest
value always applies.
12.7.4

Mechanical stress

Vibration resistance
LR510
LR530
LR550 without aiming bracket
LR550 with aiming bracket
LR580
12.7.5

Air purging system

Max. permissible pressure
Air quality
Air volume, depending on pressure
Note
Do not use continuous air purge
Continuous air purge is not recommended as it may result in damage to the antenna. Use a
solenoid timer valve for periodic cleaning.
LR580 flange lens antenna
LR580 flange lens antenna
Pressure
0.2 bar (2.9 psig)
0.4 bar (5.8 psig)
0.6 bar (8.7 psig)
0.8 bar (11.6 psig)
1 bar (14.5 psig)
1.2 bar (17.4 psig)
1.4 bar (20.3 psig)
1.6 bar (23.2 psig)
174
Vibration Resistance
IEC 60068-2-6 test Fc: Vibra‐
tions (sinusoidal)
2 Hz - 200 Hz - 0.5g accelera‐
tion
IEC 60068-2-6 test Fc: Vibra‐
tions (sinusoidal)
2 Hz-200 Hz - 1g acceleration
IEC 60068-2-6 test Fc: Vibra‐
tions (sinusoidal)
2 Hz - 200 Hz - 0.5g accelera‐
tion
Air volume
Without non-return valve
1.7 m /h
3
2.5 m /h
3
2.9 m /h
3
3.3 m /h
3
3.6 m /h
3
3.9 m 3 /h
4 m /h
3
4.3 m /h
3
Operating Instructions, 03/2024, A5E51099898-AA
Shock Resistance
IEC 60068-2-27 test Ea: Im‐
pact (test 2)
25g - 6ms
NA
IEC 60068-2-27 test Ea: Im‐
pact (test 2)
25g - 6ms
6 bar (87.02 psig)
Filtered
Dry and filtered
With non-return valve
0.8 m /h
3
1.5 m /h
3
2 m /h
3
2.3 m 3 /h
2.7 m /h
3
3 m /h
3
SITRANS LR500 series with mA/HART