Type a hepa filter leak test specifications, Table 5-1 – Labconco PURICARE Procedure Station Models 31260 User Manual
Page 73
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Table 5-1
Type A HEPA Filter Leak Test Specifications
Cabinet
Width (Feet)
3
3
4
4
5
5
6
6
Sash Height
(inches)
10, 12
8, 9
10, 12
8, 9
10, 12
8, 9
10, 12
8, 9
Air
Displacement
(CFM)
596
543
794
723
991
903
1189
1083
Laskin Nozzles
needed
1
1
2
2
2
2
2
2
Calculated
aerosol conc.
(ug/l)
1
23
25
34
38
27
30
23
25
Actual aerosol
conc. (ug/l)
2
12
14
18
21
15
17
15
17
1.
The calculated concentration was established by the formula:
Concentration (ug/l) = (# Laskin nozzles @ 20 PSIG x 13,500)/Volume of air displaced
2.
Based on Mineral oil
1.
Turn on the photometer and allow it to operate for a minimum of 5 minutes.
Leave the valve in the “CLEAR” setting.
2.
Check the oil level of the generator – it must be within 1/8” of the level line
when the generator is sitting level.
3.
Establish the 100% and 0% concentration levels for the photometer.
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