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Manual HEPA/ULPA Filter Scanning Test System

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Manual HEPA/ULPA Filter Scanning Test System

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Standards:

EN 1822-3: MPPS determination of filter media (using optional AFS 153) EN 1822-4: determination of local filter efficiency, leak detection EN 1822-5: determination of integral filter efficiency

Applications:

Product Information:

Main purpose of this air filter test system is determination of HEPA and ULPA air filter quality in terms of manufacturer production control. In its standard configuration the Manual Filter Scanner is adapted to an existing filter test bench. Aerosol generation is done by an atomizer aerosol generator (ATM 226) using standard DEHS test liquid. For upstream concentration measurement an optical particle counter is used in combination with cascaded self-adjusting dilution systems (DIL 540/C). A scanning probe with a sophisticated x-y coordinating system is moved manually for downstream scanning of full filter area as well as filter frame. Same optical counter is used for downstream concentration measurement by application of a sample switching unit (SYS 520).
 
Features：
◆ Test protocol fully compliant to EN 1822-4 and EN 1822-5
◆ Cost effective testing by manual x-y scanning operation
◆ Fully automated aerosol generation, upstream/downstream particle counting and test data acquisition
◆ State of the art aerosol instrumentation
◆ Retraceable documentation of 100% filter area scan
◆ High spatial x-y resolution and fast particle counter readout for accurate leak location
◆ Implemented filter frame scan
◆ Adaptable to existing filter test benches (oil thread or photometer test bench)
◆ Optional filter in-flow unit available upon request
 
Software：
The control of all implemented aerosol instruments including data acquisition is supported by a state-of-the-art AFSWin software. It reliably guides the operator through the complete test procedure and finally generates the EN 1822-4 compliant test report. All tests are stored in a database which enables a retraceable quality assurance during filter production.

Technical Parameters：
Items Parameters
Technical Data AFS 152 Manual Filter Scanner
Filter dimensions (mm) (W x H x D) Min. 305 x 305 x 30
Max. 1220 x 610 x 300
Filter classes E11 – U16
Aerosol Substance DEHS, PAO
Aerosol Generator ATM 226
Dilution System 2 x DIL 540/C 1:100 1x DIL 540/C 1:10
Compressed air supply 15 m³/h, 6 bar
Power supply 230 VAC, 50 Hz, 10 A
Dimensions (mm) (W x H x D) Min. 1400 x 1800 x 1100
Max. 2500 x 1800 x 2350
Weight 100 kg
Technical Data AFS 152 Filter in-Flow Unit
Filter dimensions (mm) (W x H x D) 610 x 610 610 x 1220
Face velocity 0,45 m/s
Flow rate Max. 1200 m³/h
Filter pressure drop Max. 400 Pa
Power supply 230 VAC, 50 Hz
Dimensions (mm) (W x H x D) 1400 x 750 x 850
Weight 100 kg
 

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