
April, 2008 IMPCO Technologies Inc. PPI-105-REV.B
3030 South Susan St.
Page 21 of 29
Santa Ana, CA 92704
www.impcotechnologies.com
If utilizing a positive pressure to calibrate the gauge, make the connections as illustrated. If
using a negative pressure source (vacuum), connect the hose to the center nipple on the gauge.
NOTE: The applied pressure should ideally be between 50-80% of the gauge capacity.