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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, aluminum housing, and a…

SKU 3G-OTH-174571

Also listed as: 120AA00OCA15P · 120 AA 00 O CA 15P · 120-AA-00-O-CA-15P

Brand
MIDWEST INSTRUMENT
Item
Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120
Category
Medium & High Operating Pressure Differential Gauges with Switch
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

MIDWEST INSTRUMENT
Manufacturer Part Number
120-AA-00-O(CA)-15P
Series
120
Type
120, 2 1/2 in Dial (MPN 120-AA-00-O(CA)-15P)
NPT Female
1/4 in
Sensor Type
Piston
Gauge Accuracy
±3-2-3%
Housing Material
Aluminum
Certificate of Calibration
Not Included

Technical Documents

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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, 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.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the MIDWEST INSTRUMENT 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. Common applications include filtration, pump protection, and flow measurement in industrial processes where a local readout and switch output are needed.

What are the specifications of the MIDWEST INSTRUMENT 120-AA-00-O(CA)-15P?

This model has a piston sensor, aluminum housing, 2 1/2 in dial, and 1/4 in NPT Female back connection. Gauge accuracy is ±3-2-3%. A certificate of calibration is not included. It is part of the Series 120 from MIDWEST INSTRUMENT.

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

3G Electric supplies this MIDWEST INSTRUMENT Series 120 gauge worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and a quote for the 120-AA-00-O(CA)-15P.

How to select a MIDWEST INSTRUMENT Series 120 differential pressure gauge?

Select based on your system's operating pressure range, connection size (1/4 in NPT Female), and desired dial size (2 1/2 in). The piston sensor suits medium to high pressures. Verify the switch set point and ensure the aluminum housing is compatible with your media.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 2 1/2 in Dial (MPN 120-AA-00-O(CA)-10P)
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 2 1/2 in Dial (MPN 120-AA-00-O(CA)-10P)
This differential pressure gauge with switch is designed for medium and high operating pressure applications. It features a piston sensor, a 2 1/2 in dial, and a 1/4 in NPT female back connection. The aluminum housing provides structural support, and the gauge accuracy is ±3-2-3%. Typical uses include filtration monitoring, pump protection, and flow measurement in industrial processes
MIDWEST INSTRUMENT
This differential pressure gauge with switch is designed for medium and high operating pressure applications. It features a piston sensor, a 2 1/2 in dial, and a 1/4 in NPT female back connection. The aluminum housing provides structural support, and the gauge accuracy is ±3-2-3%. Typical uses include filtration monitoring, pump protection, and flow measurement in industrial processes
This differential pressure gauge with switch from the Series 120 features a 2 1/2 in dial and a 1/4 in NPT female back connection. It uses a piston sensor and has an accuracy of ±3-2-3%. The aluminum housing makes it suitable for medium and high operating pressure applications in fluid systems, providing local indication and switch output for alarm or control
MIDWEST INSTRUMENT
This differential pressure gauge with switch from the Series 120 features a 2 1/2 in dial and a 1/4 in NPT female back connection. It uses a piston sensor and has an accuracy of ±3-2-3%. The aluminum housing makes it suitable for medium and high operating pressure applications in fluid systems, providing local indication and switch output for alarm or control
MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 2 1/2 in Dial (MPN 120-AA-00-O(CA)-20P)
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 2 1/2 in Dial (MPN 120-AA-00-O(CA)-20P)
This differential pressure gauge with switch from the Series 120 is designed for medium and high operating pressure applications. It features a 2 1/2 in dial, 1/4 in NPT female connection, piston sensor, aluminum housing, and ±3-2-3% accuracy. Typical uses include filtration monitoring, pump protection, and flow measurement in industrial processes
MIDWEST INSTRUMENT
This differential pressure gauge with switch from the Series 120 is designed for medium and high operating pressure applications. It features a 2 1/2 in dial, 1/4 in NPT female connection, piston sensor, aluminum housing, and ±3-2-3% accuracy. Typical uses include filtration monitoring, pump protection, and flow measurement in industrial processes
MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 2 1/2 in Dial (MPN 120-AA-00-O(CA)-75P)
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 2 1/2 in Dial (MPN 120-AA-00-O(CA)-75P)

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