Siemens LMV50 Series Manual page 182

Example 1 (calculation
of test time)
Example 2 (determination
of detectable leakage
rate)
182/327
Building Technologies
P G = 30 mbar
P W = 15 mbar
P atm = 1013 mbar
V = 3 l
Q Leck = 50 l/h
(30 - 15) mbar
t Test = 
1013 mbar
Result: The test time to be set is 4 seconds
P G = 30 mbar
P W = 15 mbar
P atm = 1013 mbar
V = 3 l
t Test = 4 s
(30 - 15) mbar
Q Leck = 
1013 mbar
Result: The detected leakage rate is 40 l/h
Basic Documentation LMV5...
9 Commissioning instructions for the LMV5
3 l 3600 s / h
• •
50 l/h
•
3 l 3600 s/h
• •
4 s
•
= 3,2 s
= 40,0 l/h
CC1P7550en
22.05.2018