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, an aluminum housing, and…
SKU 3G-OTH-174597
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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, an 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-30P differential pressure gauge with switch used for?
This gauge measures and switches on differential pressure in medium to high operating pressure systems. It is commonly used in industrial filtration, pump monitoring, and HVAC applications where a piston sensor provides reliable indication and control.
What are the specifications of the MIDWEST INSTRUMENT Series 120 differential pressure gauge with switch?
The Series 120 gauge features a piston sensor, aluminum housing, 2 1/2 in dial, and 1/4 in NPT female back connections. Accuracy is ±3-2-3% of span. A certificate of calibration is not included. The MPN is 120AA-00-O-AA-30P.
Where to buy the MIDWEST INSTRUMENT 120AA-00-O-AA-30P differential pressure gauge with switch worldwide?
3G Electric supplies this MIDWEST INSTRUMENT gauge worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.
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. Ensure the process lines are clean and depressurized before installation. Wire the switch contacts per the terminal diagram. Follow standard piping practices for differential pressure instruments.
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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.















