Envco – Environmental Equipment

If the pressure differential is too great, too small, or the wrong direction, the 8631-CRC will activate audible and visual alarms. An adjustable alarm delay avoids nuisance alarms when a door is opened.

FEATURES AND BENEFITS
• Maintaining pressure differential called for in Good Manufacturing Practices
• Direct pressure measurement provides continuous monitoring
• Constant volume control of supply ensures proper ventilation
• Second pressure sensor input monitors air lock-corridor pressure differential
• Audible and visual alarms warn staff of unsafe conditions
• Convenient keypad and display support local programming
• Passwords prevent unauthorized access to monitor functions

The 8631-CRC easily integrates to the building management system, using LonWorks®, an analog output of the measured pressure differential and alarm relays

APPLICATIONS
• Clean rooms

INCLUDED ITEMS
• Digital interface module
• Flush-mount thermal pressure sensor assembly
• Controller output cable, 25 ft
• Transformer, 120:24 VAC, 25 VA
• Transformer cable, 25 ft

Ordering Information
Model 8631-CRC PresSura Clean Room Pressure Controller