Gordon Glass Co. Door Pressure Gauge

Door Pressure Gauge instrument design specifically to measure force. Operating Instructions: Set the top (small) O-ring located on the plunger rod on zero, down against the instrument’s flange, or set the O-ring on the desired force. Holding the instrument firmly, press slowly against the door at a point approximately handle-high, and 30 inches away from the door’s hinges. Read the amount of force required to open the door on the plunger scale closest to the bottom of the small O-ring. Range is from 0-35 Pounds.