MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120
The MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back is a medium and high operating pressure differential gauge with switch from the Series 120. It features a piston sensor type, a 2 1/2 in dial, and a…
SKU 3G-OTH-174566
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Product Description
The MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back is a medium and high operating pressure differential gauge with switch from the Series 120. It features a piston sensor type, a 2 1/2 in dial, and a 1/4 in NPT Female connection, with a gauge accuracy of ±3-2-3% and an aluminum housing. The SKU is 22A558 and the manufacturer part number is 120-AA-00-O(CA)-10P; a certificate of calibration is not included.
Frequently Asked Questions
What is the MIDWEST INSTRUMENT 120-AA-00-O(CA)-10P differential pressure gauge and switch used for?
This gauge and switch is used to measure and control differential pressure in medium and high operating pressure systems. Common applications include monitoring filter condition, flow measurement, and pump protection in industrial processes, HVAC, and fluid handling systems.
What are the specifications of the MIDWEST INSTRUMENT Series 120 differential pressure gauge and switch?
The Series 120 model 120-AA-00-O(CA)-10P features a piston sensor, a 2 1/2 in dial, and a 1/4 in NPT Female connection. It has a gauge accuracy of ±3-2-3% and an aluminum housing. A certificate of calibration is not included.
Where to buy the MIDWEST INSTRUMENT 120-AA-00-O(CA)-10P differential pressure gauge and switch worldwide?
3G Electric supplies the MIDWEST INSTRUMENT 120-AA-00-O(CA)-10P differential pressure gauge and switch worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to install a MIDWEST INSTRUMENT Series 120 differential pressure gauge and switch?
Install the gauge and switch with the 1/4 in NPT Female connection using compatible fittings. Mount the unit in a location free from excessive vibration and within the specified pressure range. Follow standard piping practices for differential pressure instruments and consult the manufacturer's manual for wiring the switch.
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3G Electric supplies MIDWEST INSTRUMENT medium & high operating pressure differential gauges with switch. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















