Thermo Scientific 1500 A2 Series Operating Manual page 84

Section 8
Certification Testing
Sash Alarms
Description:
• Verify the window alarms are operating properly
Equipment:
• Operating manual
Method:
• Raise the window 1 inch (2.5 cm) above work position
Acceptance:
• Window alarm activates
Exhaust System Performance
Description:
• Verify the exhaust system is functioning properly
Canopy Connections
Equipment:
• Cold smoke (titanium tetrachloride)
Method:
• Pass smoke around the air gap, to ensure negative pressure exists
Acceptance:
• No smoke refluxes back into the room once drawn into the canopy.
Thermo Scientific 1500 Series A2 8-11