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-174636
Need installation or engineering help?
Ask a question
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 4 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 120AC-00-O-AA-15P differential pressure gauge and switch used for?
This Series 120 gauge with switch monitors and controls differential pressure in medium to high operating pressure systems. Typical applications include filtration, pump monitoring, and flow measurement in industrial processes where a local readout and switch output are needed.
What are the specifications of the MIDWEST INSTRUMENT 120AC-00-O-AA-15P?
The gauge has a 4 1/2 in dial, 1/4 in NPT Female back connection, piston sensor, aluminum housing, and ±3-2-3% accuracy. It is part of the Series 120 and does not include a certificate of calibration. The manufacturer part number is 120AC-00-O-AA-15P.
Where to buy the MIDWEST INSTRUMENT 120AC-00-O-AA-15P worldwide?
3G Electric supplies the MIDWEST INSTRUMENT Series 120 differential pressure gauge and switch to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this piston-sensor model.
How to install the MIDWEST INSTRUMENT 120AC-00-O-AA-15P differential pressure gauge?
Mount the gauge using the 1/4 in NPT Female back connection, ensuring the process lines are clean and free of debris. Apply thread sealant to the male fitting, tighten to manufacturer torque specs, and verify the switch setpoint per the application requirements before pressurizing.
Used in
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.















