Marine Instruments User Manual

Retrotec Energy Innovations, Ltd.
25
DM-2A Mark II 2008-02-22
9. Pass the red pressure tube through the door panel or cloth to the other side of
the door. This tube is intentionally 15 feet longer than the yellow pressure tube to
accommodate the extra distance required and is designed to measure the pressure
created across the wall. Pull all of the red tubing to the other side of the door and
lay it in a location that is beyond the flow stream of the fan and not subject to wind
effects.
10. Your Retrotec DM-2A mark II gauge and door fan are now connected and ready for
you to perform basic test operations.
DM-2A Mark II Dual-Channel Pressure Gauge User Manual
3: Connecting Your Gauge