According to NSF/ANSI 49, tests related to the safety of the personnel,
product and environment that must be conducted on-site for Class II,
Type A2 biological safety cabinets, at a minimum frequency of annually,
are;
• Downflow velocity profile test
• Inflow velocity test
• Airflow smoke patterns test
• HEPA filter leak test
• Site installation assessment tests
– Alarm functions
– Exhaust system performance (proper exhaust duct negative pressure
and canopy performance).
As described in Annex F, in addition to the above, the following tests
performed at the request of the customer, or at the discretion of the
certification provider.
• Comfort and safety tests
– Lighting intensity
– Noise level
– Vibration
– Electrical leakage, ground circuit resistance and polarity tests
Note
Service with costs: Unless certification was expressly called for in the
specification, quotes and/or purchase order, the cost for this on-site testing
is to be paid for by the customer.
s
8-2 1500 Series A2
Thermo Scientific
Section 8
Certification Testing
Testing
