Siemens SITRANS LR500 Series - Process Conditions Information; Mechanical Stress Resistance; Air Purging System Details

12.7.3 Process conditions
F
or the process conditions, please also note the speci󹪝cations on the nameplate. The lowest
value always applies.
12.7.4 Mechanical stress
Vibration resistance Vibration Resistance Shock Resistance
LR510 IEC 60068-2-6 test Fc: Vibra‐
tions (sinusoidal)
2 Hz - 200 Hz - 0.5g acceler
a‐
tion
IEC 60068-2-27 test Ea: Im‐
pact (test 2)
25g - 6ms
LR530
LR550 without aiming bracket
LR550 with aiming bracket IEC 60068-2-6 test Fc: Vibra‐
tions (sinusoidal)
2 Hz-200 Hz - 1g acceler
ation
NA
LR580 IEC 60068-2-6 test Fc: Vibra‐
tions (sinusoidal)
2 Hz - 200 Hz - 0.5g acceler
a‐
tion
IEC 60068-2-27 test Ea: Im‐
pact (test 2)
25g - 6ms
12.7.5 Air purging system
Max. permissible pressure 6 bar (87.02 psig)
Air quality Filtered
Air volume, depending on pressure Dry and 󹪝lt
ered
Note
Do no
t 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 󹪞ang
e lens antenna
LR580 󹪞ang
e lens antenna Air volume
Pressure Without non-return valve With non-return valve
0.2 bar (2.9 psig) 1.7 m
3
/h 
0.4 bar (5.8 psig) 2.5 m
3
/h 
0.6 bar (8.7 psig) 2.9 m
3
/h 0.8 m
3
/h
0.8 bar (11.6 psig) 3.3 m
3
/h 1.5 m
3
/h
1 bar (14.5 psig) 3.6 m
3
/h 2 m
3
/h
1.2 bar (17.4 psig) 3.9 m
3
/h 2.3 m
3
/h
1.4 bar (20.3 psig) 4 m
3
/h 2.7 m
3
/h
1.6 bar (23.2 psig) 4.3 m
3
/h 3 m
3
/h
Technical speci󹪝cations
12.7Operating conditions
SITRANS LR500 series with mA/HART
174 Operating Instructions, 03/2024, A5E51099898-AA