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How are the range and differential set on a 9012 GNG or similar Industrial Pressure Switch ?

To adjust the setpoint for decreasing pressure; while facing the switch mounted on a wall , place a flat blade screwdriver into the slots of the range adjustment wheel ( nut) . Rotate to the left to simultaneously raise both setpoints , or toward the right to lower both setpoints. To adjust the setpoint for increasing pressure ; turn the differential adjusting screw clockwise to raise the setpoint or counterclockwise to lower the setpoint .

CTA-ID : 2042508
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