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MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120 - Medium & High Operating Pressure Differential Gauges with Switch
MIDWEST INSTRUMENTMedium & High Operating Pressure Differential Gauges with Switch

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, a 2 1/2 in dial, and a…

SKU 3G-OTH-174580

Brand
MIDWEST INSTRUMENT
Item
Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120
Category
Medium & High Operating Pressure Differential Gauges with Switch
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Technical Specifications

MIDWEST INSTRUMENT
Manufacturer Part Number
120-AA-00-O(CA)-30P
Series
120
Type
120, 2 1/2 in Dial (MPN 120-AA-00-O(CA)-30P)
NPT Female
1/4 in
Sensor Type
Piston
Gauge Accuracy
±3-2-3%
Housing Material
Aluminum
Certificate of Calibration
Not Included
View Full Spec Sheet

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MIDWEST INSTRUMENT Products
3G Electric (S) Pte. Ltd. — Singapore

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, a 2 1/2 in dial, and a 1/4 in NPT Female connection, with an aluminum housing and a gauge accuracy of ±3-2-3%. The SKU is 22A561 and the manufacturer part number is 120-AA-00-O(CA)-30P; a certificate of calibration is not included.

Frequently Asked Questions

What is the MIDWEST INSTRUMENT 120 series differential pressure gauge with switch used for?

The MIDWEST INSTRUMENT 120 series differential pressure gauge with switch is used to measure and monitor pressure differences in industrial fluid systems, such as filtration, pump, and HVAC applications. It provides a local dial readout and an integrated switch for alarm or control functions at a set differential pressure point.

What are the specifications of the MIDWEST INSTRUMENT 120-AA-00-O(CA)-30P differential pressure gauge?

The MIDWEST INSTRUMENT 120-AA-00-O(CA)-30P is a piston-type differential pressure gauge with a 2 1/2 in dial, 1/4 in NPT female back connection, and an aluminum housing. It has a gauge accuracy of ±3-2-3% and does not include a certificate of calibration. The series is 120.

Where to buy the MIDWEST INSTRUMENT 120 series differential pressure gauge worldwide?

You can source the MIDWEST INSTRUMENT 120 series 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 3G Electric for availability and lead time.

How to install a MIDWEST INSTRUMENT piston-type differential pressure gauge?

Install the MIDWEST INSTRUMENT piston-type differential pressure gauge by mounting it in a clean, dry location with the process connections oriented per the manufacturer's instructions. Use appropriate thread sealant on the 1/4 in NPT female ports. Ensure the switch wiring matches the required voltage and load. Calibrate the switch set point per the manual.

Used in

Common applications for MIDWEST INSTRUMENT
Filter monitoring in industrial water treatment — MIDWEST INSTRUMENT 522 series 3-color differential pressure indicators
Flow measurement in chemical processing — MIDWEST INSTRUMENT Series 120 piston-type differential pressure gauges
Liquid level indication in oil and gas storage tanks — MIDWEST INSTRUMENT Model 142 diaphragm-type differential pressure gauges
HVAC system filter condition monitoring — MIDWEST INSTRUMENT Series 130 differential pressure gauges with glass-reinforced plastic housing
Pump differential pressure monitoring in industrial plants — MIDWEST INSTRUMENT 522 series indicators with switch for alarm output

MIDWEST 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.

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