MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 140
The MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back is a medium and high operating pressure differential gauge with switch from the Series 140. It features a 2 1/2 in dial, 1/4 in NPT Female connection…
SKU 3G-OTH-174588
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 140. It features a 2 1/2 in dial, 1/4 in NPT Female connection, a diaphragm sensor type, and an aluminum housing. The gauge accuracy is ±3-2-3%, and a certificate of calibration is not included.
Frequently Asked Questions
What is the MIDWEST INSTRUMENT Series 140 differential pressure gauge with switch used for?
The MIDWEST INSTRUMENT Series 140 differential pressure gauge with switch is used to measure and control pressure differences in medium to high operating pressure systems. Common applications include monitoring filter condition, pump performance, and flow in HVAC, industrial process, and fluid power systems.
What are the specifications of the MIDWEST INSTRUMENT 140-AA-00-O(AA)-100P?
The MIDWEST INSTRUMENT 140-AA-00-O(AA)-100P is a Series 140 differential pressure gauge with switch. It has a 2 1/2 in dial, 1/4 in NPT Female connection, diaphragm sensor, aluminum housing, and ±3-2-3% gauge accuracy. Certificate of calibration is not included.
Where to buy the MIDWEST INSTRUMENT Series 140 differential pressure gauge worldwide?
You can source the MIDWEST INSTRUMENT Series 140 differential pressure gauge worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to install a MIDWEST INSTRUMENT Series 140 differential pressure gauge with switch?
Install the MIDWEST INSTRUMENT Series 140 gauge by connecting the 1/4 in NPT Female ports to the high- and low-pressure lines. Mount the aluminum housing securely, ensure the diaphragm sensor is not over-ranged, and wire the switch per your control circuit. Follow standard piping best practices for differential pressure devices.
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.















