DOP test | Article about DOP test by The Free Dictionary
DOP test[′däp ‚test]
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Air Classification: ISO Class 5 (EUGMP Grade A) all chambers Airflow Pattern: Single Pass Turbulent airflow to all chambers Number of Air 150 air changes/hr minimum all chambers Changes: normal operation 240 air changes/hr main chamber during aeration 400 air changes/hr transfer chamber during aeration Operating Pressure: Main Chamber +50Pa Transfer Hatch +35Pa Lighting Levels: 700lux within main chamber only Noise Levels: Less than 70dBA Temperature: Un controlled (Monitoring only) Humidity: Un controlled (Monitoring only) Inlet & Exhaust HEPA H14 grade filter having an efficiency of Filtration: 99.997% the test method used being a full face photometer leak test in accordance with PD6609, using a DOP test
aerosol generated with a thermal generator.
Virtually all currently used HEPA filters worldwide are based on microglass, wet laid paper with minimum efficiencies according to the DOP test
(dioctyl phthalate liquid) of 9.95% for 0.3 micron particles.