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MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, ±3-2-3% Gauge Accuracy - Medium & High Operating Pressure Differential Gauges
MIDWEST INSTRUMENTMedium & High Operating Pressure Differential Gauges

MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, ±3-2-3% Gauge Accuracy

The MIDWEST INSTRUMENT Differential Pressure Gauge: Back is a medium and high operating pressure differential gauge from the Series 120. It features a piston sensor type, an aluminum housing, and a gauge accuracy of…

SKU 3G-OTH-175120

Also listed as: 120AA00OO75P · 120 AA 00 OO 75P

Brand
MIDWEST INSTRUMENT
Item
Differential Pressure Gauge: Back, 1/4 in NPT Female, ±3-2-3% Gauge Accuracy
Category
Medium & High Operating Pressure Differential Gauges
Available to Order
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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-OO-75P
Series
120
Type
±3-2-3% Gauge Accuracy, 120
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: Back is a medium and high operating pressure differential gauge from the Series 120. It features a piston sensor type, an aluminum housing, and a gauge accuracy of ±3-2-3%. The SKU is 3G-OTH-175120, and the manufacturer part number is 120-AA-00-OO-75P.

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 Series 120 differential pressure gauge used for?

The MIDWEST INSTRUMENT Series 120 differential pressure gauge is used to measure pressure differences in medium and high operating pressure systems. Common applications include monitoring filter condition, flow measurement, and pump performance in industrial processes, HVAC, and fluid handling systems.

What are the specifications of the MIDWEST INSTRUMENT 120-AA-00-OO-75P?

The MIDWEST INSTRUMENT 120-AA-00-OO-75P is a Series 120 differential pressure gauge with a piston sensor, aluminum housing, and ±3-2-3% gauge accuracy. It has a 1/4 in NPT female back connection. Certificate of calibration is not included. The manufacturer part number is 120-AA-00-OO-75P.

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

You can source the MIDWEST INSTRUMENT 120 differential pressure gauge through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this Series 120 gauge.

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

To select a MIDWEST INSTRUMENT Series 120 gauge, verify the required connection size (1/4 in NPT female), operating pressure range, and sensor type (piston). Confirm the gauge accuracy of ±3-2-3% meets your application needs. Ensure the aluminum housing is compatible with the process media and environment.

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. 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
This differential pressure gauge from the Series 120 features a piston sensor and aluminum housing, with ±3-2-3% gauge accuracy. It has a 1/4 in NPT female back connection. Typical applications include measuring pressure differences in medium to high operating pressure systems for filter monitoring, flow measurement, and level indication
MIDWEST INSTRUMENT
This differential pressure gauge from the Series 120 features a piston sensor and aluminum housing, with ±3-2-3% gauge accuracy. It has a 1/4 in NPT female back connection. Typical applications include measuring pressure differences in medium to high operating pressure systems for filter monitoring, flow measurement, and level indication
This differential pressure gauge from the Series 120 is designed for medium and high operating pressure applications. It features a piston-type sensor, an aluminum housing, and a gauge accuracy of ±3-2-3%. The 1/4 in NPT Female back connection allows for easy installation in systems requiring pressure difference monitoring, such as filter condition, flow measurement, and pump performance
MIDWEST INSTRUMENT
This differential pressure gauge from the Series 120 is designed for medium and high operating pressure applications. It features a piston-type sensor, an aluminum housing, and a gauge accuracy of ±3-2-3%. The 1/4 in NPT Female back connection allows for easy installation in systems requiring pressure difference monitoring, such as filter condition, flow measurement, and pump performance
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, ±3-2-3% Gauge Accuracy, 120 (MPN 120-AA-00-OO-50P)
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, ±3-2-3% Gauge Accuracy, 120 (MPN 120-AA-00-OO-50P)
This differential pressure gauge from the Series 120 is designed for medium and high operating pressure systems. It features a piston sensor type, an aluminum housing, and a gauge accuracy of ±3-2-3%. The 1/4 in NPT Female back connection allows for easy installation. Typical applications include monitoring filter condition, flow measurement, and pump performance in industrial processes, HVAC, and fluid handling systems
MIDWEST INSTRUMENT
This differential pressure gauge from the Series 120 is designed for medium and high operating pressure systems. It features a piston sensor type, an aluminum housing, and a gauge accuracy of ±3-2-3%. The 1/4 in NPT Female back connection allows for easy installation. Typical applications include monitoring filter condition, flow measurement, and pump performance in industrial processes, HVAC, and fluid handling systems
This differential pressure gauge from the Series 120 is designed for medium and high operating pressure applications. It features a piston sensor type, an aluminum housing, and ±3-2-3% gauge accuracy. The 1/4 in NPT Female back connection allows for easy installation. Typical uses include monitoring filter condition, flow measurement, and pump performance in industrial processes and fluid handling systems
MIDWEST INSTRUMENT
This differential pressure gauge from the Series 120 is designed for medium and high operating pressure applications. It features a piston sensor type, an aluminum housing, and ±3-2-3% gauge accuracy. The 1/4 in NPT Female back connection allows for easy installation. Typical uses include monitoring filter condition, flow measurement, and pump performance in industrial processes and fluid handling systems
This differential pressure gauge from the Series 120 features a piston sensor and aluminum housing, providing ±3-2-3% gauge accuracy. It has a 1/4 in NPT Female back connection and is suited for measuring pressure differences in medium and high operating pressure systems, such as filtration monitoring and flow measurement
MIDWEST INSTRUMENT
This differential pressure gauge from the Series 120 features a piston sensor and aluminum housing, providing ±3-2-3% gauge accuracy. It has a 1/4 in NPT Female back connection and is suited for measuring pressure differences in medium and high operating pressure systems, such as filtration monitoring and flow measurement

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This differential pressure gauge from the Series 140 features a diaphragm sensor and ±3-2-3% gauge accuracy. The 316 stainless steel housing and 1/4 in NPT female back connection suit medium and high operating pressure applications such as filtration, flow monitoring, and pump control
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This differential pressure gauge from the Series 140 features a diaphragm sensor and ±3-2-3% gauge accuracy. The 316 stainless steel housing and 1/4 in NPT female back connection suit medium and high operating pressure applications such as filtration, flow monitoring, and pump control
This differential pressure gauge from the Series 142 uses a diaphragm sensor to measure pressure differences in fluid or gas systems. It features an aluminum housing, 1/4 in NPT female back connections, and a gauge accuracy of ±3-2-3%. Suitable for medium to high operating pressure applications such as filtration monitoring and flow measurement
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This differential pressure gauge from the Series 142 uses a diaphragm sensor to measure pressure differences in fluid or gas systems. It features an aluminum housing, 1/4 in NPT female back connections, and a gauge accuracy of ±3-2-3%. Suitable for medium to high operating pressure applications such as filtration monitoring and flow measurement
This differential pressure gauge from the Model 142 series is designed for medium and high operating pressure applications. It features a diaphragm sensor and a 316 stainless steel housing, with a 2 1/2 in dial and 1/4 in NPT female connection. Typical uses include filtration monitoring, pump performance checks, and process control in industrial fluid or gas systems. Certificate of calibration is not included
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This differential pressure gauge from the Model 142 series is designed for medium and high operating pressure applications. It features a diaphragm sensor and a 316 stainless steel housing, with a 2 1/2 in dial and 1/4 in NPT female connection. Typical uses include filtration monitoring, pump performance checks, and process control in industrial fluid or gas systems. Certificate of calibration is not included
This differential pressure gauge from the Model 142 series features a 4 1/2 in dial and 1/4 in NPT female back connections. It uses a diaphragm sensor and is housed in 316 stainless steel. Typical applications include monitoring pressure differences in fluid or gas systems, such as filtration, pump performance, and process control
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This differential pressure gauge from the Model 142 series features a 4 1/2 in dial and 1/4 in NPT female back connections. It uses a diaphragm sensor and is housed in 316 stainless steel. Typical applications include monitoring pressure differences in fluid or gas systems, such as filtration, pump performance, and process control
This differential pressure gauge from the Series 142 features a diaphragm sensor and aluminum housing. It has a 1/4 in NPT female back connection and a gauge accuracy of ±3-2-3%. Suitable for measuring pressure differences in medium to high operating pressure systems, such as monitoring filters, pumps, and flow in industrial processes. Certificate of calibration not included
MIDWEST INSTRUMENT
This differential pressure gauge from the Series 142 features a diaphragm sensor and aluminum housing. It has a 1/4 in NPT female back connection and a gauge accuracy of ±3-2-3%. Suitable for measuring pressure differences in medium to high operating pressure systems, such as monitoring filters, pumps, and flow in industrial processes. Certificate of calibration not included
This differential pressure gauge from the Model 142 series features a 4 1/2 in dial and a diaphragm sensor. The aluminum housing with 1/4 in NPT female back connection is suited for medium and high operating pressure systems. Typical applications include monitoring filter condition, pump performance, and flow rates in industrial processes and fluid handling systems. Certificate of calibration is not included
MIDWEST INSTRUMENT
This differential pressure gauge from the Model 142 series features a 4 1/2 in dial and a diaphragm sensor. The aluminum housing with 1/4 in NPT female back connection is suited for medium and high operating pressure systems. Typical applications include monitoring filter condition, pump performance, and flow rates in industrial processes and fluid handling systems. Certificate of calibration is not included
This differential pressure gauge from the Series 142 features a diaphragm sensor and an aluminum housing. It has a 1/4 in NPT female back connection and provides ±3-2-3% gauge accuracy. Typical applications include measuring pressure differences in fluid or gas systems for filtration monitoring, pump performance, and flow measurement
MIDWEST INSTRUMENT
This differential pressure gauge from the Series 142 features a diaphragm sensor and an aluminum housing. It has a 1/4 in NPT female back connection and provides ±3-2-3% gauge accuracy. Typical applications include measuring pressure differences in fluid or gas systems for filtration monitoring, pump performance, and flow measurement
This differential pressure gauge from the Series 140 uses a diaphragm sensor and aluminum housing to measure pressure differences in fluid or gas systems. It has 1/4 in NPT Female back connections and a gauge accuracy of ±3-2-3%. Typical applications include filtration monitoring, pump performance checks, and flow measurement in process plants
MIDWEST INSTRUMENT
This differential pressure gauge from the Series 140 uses a diaphragm sensor and aluminum housing to measure pressure differences in fluid or gas systems. It has 1/4 in NPT Female back connections and a gauge accuracy of ±3-2-3%. Typical applications include filtration monitoring, pump performance checks, and flow measurement in process plants