36 Operation
7.6 Customer-Specific BP The normal bubble point test (as previously described) uses a standard set-up of
parameters to cover most of applications. However, some applications in which the
wetting fluid differs considerably from water (e.g. oily or viscous products) or in
which the filtration area is large (multi-round housings), bubble point detection can
be optimized using the customer-specific bubble point test.
Please ask for Sartorius Stedim Biotech support to program the optimal parameters.
Test parameters: customer-specific BP
Start factor: Enter the factor
Prestabilization: in sec.
Stability by phase: in sec.
Phase test: in sec.
A1 Criterion : in ml/min
A2 Criterion : in ml/min
7.7 Diffusion and Bubble Point This test method is a combination of the diffusion and the B.P. tests and is
Test (Combined Test) predominantly used to check the integrity of membrane filters.
Test parameters: Diffusion and Bubble Point Test
Test pressure: in mbar
Stabilization time: in min.
Test time: in min.
Max. diffusion: in ml/min.
Min BP: in mbar
Max BP: in mbar
Net volume: Enter or measure, if Enter: Volume in ml
Fig. 7-20 | Test parameters: Customer-specific BP
Fig. 7-21 | Test parameters: Diffusion + BP Test
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