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, aluminum housing, and a…
SKU 3G-OTH-174595
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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, aluminum housing, and a 2 1/2 in dial with 1/4 in NPT Female connections. The gauge accuracy is ±3-2-3%, and a certificate of calibration is not included.
Frequently Asked Questions
What is the MIDWEST INSTRUMENT 120AA-00-O-AA-20P differential pressure gauge with switch used for?
This gauge with switch monitors and controls differential pressure in medium to high operating pressure systems. It is used in filtration, pump monitoring, and process control applications where a piston sensor provides reliable switching at a setpoint.
What are the specifications of the MIDWEST INSTRUMENT Series 120 differential pressure gauge with switch?
The Series 120 model 120AA-00-O-AA-20P has a 2 1/2 in dial, 1/4 in NPT Female back connection, piston sensor, aluminum housing, and ±3-2-3% gauge accuracy. It does not include a certificate of calibration.
Where to buy the MIDWEST INSTRUMENT 120AA-00-O-AA-20P differential pressure gauge with switch worldwide?
3G Electric supplies the MIDWEST INSTRUMENT 120AA-00-O-AA-20P differential pressure gauge with switch to customers worldwide. We handle full logistics, customs clearance, and delivery to your site, ensuring a smooth procurement process.
How to install a MIDWEST INSTRUMENT Series 120 differential pressure gauge with switch?
Mount the gauge using the 1/4 in NPT Female back connection with appropriate thread sealant. Connect impulse lines to the high- and low-pressure ports. Wire the switch contacts per the wiring diagram, ensuring the setpoint is adjusted for your application.
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Common applications for MIDWEST INSTRUMENTMIDWEST INSTRUMENT Products
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.















