MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 142
The MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back is a medium and high operating pressure differential gauge with switch from the Series 142. It features a 2 1/2 in dial, 1/4 in NPT female connection…
SKU 3G-OTH-174561
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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 142. It features a 2 1/2 in dial, 1/4 in NPT female connection, and a diaphragm sensor type. The housing is made of 316 Stainless Steel, with a gauge accuracy of ±3-2-3%. A certificate of calibration is not included.
Frequently Asked Questions
What is the MIDWEST INSTRUMENT 142-SA-00-O(AA)-5P differential pressure gauge used for?
This gauge with switch monitors and controls differential pressure in medium to high operating pressure systems. It is used in industrial filtration, pump monitoring, and HVAC applications where a diaphragm sensor and 316 stainless steel housing are required for corrosion resistance.
What are the specifications of the MIDWEST INSTRUMENT Series 142 differential pressure gauge?
The Series 142 gauge has a 2 1/2 in dial, 1/4 in NPT female connection, diaphragm sensor, and gauge accuracy of ±3-2-3%. The housing is 316 stainless steel. It includes a switch for alarm or control. Certificate of calibration is not included.
Where to buy the MIDWEST INSTRUMENT 142-SA-00-O(AA)-5P differential pressure gauge worldwide?
3G Electric supplies the MIDWEST INSTRUMENT 142-SA-00-O(AA)-5P differential pressure gauge with switch to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.
How to install a MIDWEST INSTRUMENT differential pressure gauge with switch?
Mount the gauge using the 1/4 in NPT female connection with appropriate thread sealant. Ensure the high-pressure port connects to the higher pressure side. Wire the switch per the manufacturer's diagram for alarm or control. Avoid over-torquing the 316 stainless steel housing.
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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.















