ABUS Technologies MG Low Differential Pressure Gauge - Manual (Page 8)

ABUS TECHNOLOGIES INC.
8
MG
6.3 Flush or Panel Mounting
Cut an opening in the panel 4 9/16" in diameter. Put the gauge in the panel cutout, attach
adapters, and use the 6 mounting screws provided to fasten the gauge in place.
7. CONFIGURATION
7.1 Zero Point Adjustment
Zero adjustment can be made after the installation. Use the zero adjusting screw at the bottom
of the cover to zero the pointer while both the high and low pressure ports are open to atmospheric
pressure.
7.2 Indicating Mechanism
When pressure is applied to both sides of the diaphragm in operation, any difference in pressure
causes the diaphragm, the spring that the diaphragm is linked to, and the magnet attached to the spring
to move. The movement of the magnet forces the magnetic helix to turn in order to maintain the gap,
and the pointer fixed to the helix turns with it.