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MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, Model 142 - Medium & High Operating Pressure Differential Gauges
MIDWEST INSTRUMENTMedium & High Operating Pressure Differential Gauges

MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, Model 142

The MIDWEST INSTRUMENT Differential Pressure Gauge: Back is a medium and high operating pressure differential gauge from the Model 142 series. It features a diaphragm sensor type and an aluminum housing, with a 4 1/2…

SKU 3G-OTH-175083

Also listed as: 142AC00OO30H · 142 AC 00 OO 30H

Brand
MIDWEST INSTRUMENT
Item
Differential Pressure Gauge: Back, 1/4 in NPT Female, Model 142
Category
Medium & High Operating Pressure Differential Gauges
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

MIDWEST INSTRUMENT
Manufacturer Part Number
142-AC-00-OO-30H
Series
Model 142
Type
Model 142
Dial
4 1/2 in
NPT Female
1/4 in
Sensor Type
Diaphragm
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 Model 142 series. It features a diaphragm sensor type and an aluminum housing, with a 4 1/2 in dial and 1/4 in NPT Female connection (MPN 142-AC-00-OO-30H). A certificate of calibration is not included with this unit.

Frequently Asked Questions

What is the MIDWEST INSTRUMENT Model 142 differential pressure gauge used for?

The MIDWEST INSTRUMENT Model 142 differential pressure gauge measures the difference in pressure between two points in a system. It is commonly used in industrial applications such as filtration monitoring, pump performance verification, and flow measurement across 14 industrial departments.

What are the specifications of the MIDWEST INSTRUMENT 142-AC-00-OO-30H?

The MIDWEST INSTRUMENT 142-AC-00-OO-30H is a Model 142 differential pressure gauge with a 4 1/2 in dial, 1/4 in NPT Female back connection, diaphragm sensor, and aluminum housing. It is designed for medium and high operating pressures. A certificate of calibration is not included.

Where to buy the MIDWEST INSTRUMENT Model 142 differential pressure gauge worldwide?

3G Electric supplies the MIDWEST INSTRUMENT Model 142 differential pressure gauge worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this diaphragm-sensor gauge.

How to select a differential pressure gauge for high-pressure systems?

When selecting a differential pressure gauge like the MIDWEST INSTRUMENT Model 142, verify the maximum static pressure and differential range match your system. Ensure the connection size (1/4 in NPT Female) and dial size (4 1/2 in) suit your installation. The diaphragm sensor is suitable for medium and high operating pressures.

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
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, Model 142, 4 1/2 in Dial (MPN 142-AC-00-OO-25H)
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, Model 142, 4 1/2 in Dial (MPN 142-AC-00-OO-25H)
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, Model 142, 4 1/2 in Dial (MPN 142-AC-00-OO-20H)
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, Model 142, 4 1/2 in Dial (MPN 142-AC-00-OO-20H)
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, Model 142, 4 1/2 in Dial (MPN 142-AC-00-OO-100H)
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, Model 142, 4 1/2 in Dial (MPN 142-AC-00-OO-100H)
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, Model 142, 4 1/2 in Dial (MPN 142-AC-00-OO-50H)
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, Model 142, 4 1/2 in Dial (MPN 142-AC-00-OO-50H)
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, Model 142, 4 1/2 in Dial (MPN 142-AC-00-OO-200H)
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, Model 142, 4 1/2 in Dial (MPN 142-AC-00-OO-200H)
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, Model 142, 4 1/2 in Dial (MPN 142-AC-00-OO-5P)
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, Model 142, 4 1/2 in Dial (MPN 142-AC-00-OO-5P)

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This differential pressure gauge from the Series 130 features a diaphragm sensor and ±5% gauge accuracy. The housing is made of glass reinforced plastic, and the connection is 1/4 in NPT female. It is used to measure pressure differences across filters, pumps, or flow elements in industrial processes such as HVAC, water treatment, and chemical applications
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This differential pressure gauge from the Series 130 features a diaphragm sensor and ±5% gauge accuracy. The housing is made of glass reinforced plastic, and the connection is 1/4 in NPT female. It is used to measure pressure differences across filters, pumps, or flow elements in industrial processes such as HVAC, water treatment, and chemical applications
This differential pressure gauge from the Model 142 series features a 4 1/2 in dial and a 1/4 in NPT female back connection. The diaphragm sensor is housed in 316 stainless steel, suitable for measuring medium and high operating pressure differences in industrial processes such as filter monitoring and flow measurement
MIDWEST INSTRUMENT
This differential pressure gauge from the Model 142 series features a 4 1/2 in dial and a 1/4 in NPT female back connection. The diaphragm sensor is housed in 316 stainless steel, suitable for measuring medium and high operating pressure differences in industrial processes such as filter monitoring and flow measurement
This differential pressure gauge from the Series 120 features a piston sensor and a 316L stainless steel housing. It has a gauge accuracy of ±3-2-3% and a 1/4 in NPT Female back connection. Suitable for measuring differential pressure in medium to high operating pressure systems, commonly used in filtration, pump monitoring, and flow measurement applications
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This differential pressure gauge from the Series 120 features a piston sensor and a 316L stainless steel housing. It has a gauge accuracy of ±3-2-3% and a 1/4 in NPT Female back connection. Suitable for measuring differential pressure in medium to high operating pressure systems, commonly used in filtration, pump monitoring, and flow measurement applications
This differential pressure gauge from the Series 140 features a diaphragm sensor and ±3-2-3% gauge accuracy. The housing is constructed from 316 stainless steel, with a 1/4 in NPT female back connection. It is used to measure pressure differences in industrial fluid systems, such as monitoring filter condition or flow across an orifice
MIDWEST INSTRUMENT
This differential pressure gauge from the Series 140 features a diaphragm sensor and ±3-2-3% gauge accuracy. The housing is constructed from 316 stainless steel, with a 1/4 in NPT female back connection. It is used to measure pressure differences in industrial fluid systems, such as monitoring filter condition or flow across an orifice
Medium and high operating pressure differential gauge with a 2 1/2 in dial and 1/4 in NPT female back connection. Diaphragm sensor housed in 316 stainless steel. Used for measuring pressure differences in industrial processes such as filtration monitoring, pump performance, and flow measurement. Certificate of calibration not included
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Medium and high operating pressure differential gauge with a 2 1/2 in dial and 1/4 in NPT female back connection. Diaphragm sensor housed in 316 stainless steel. Used for measuring pressure differences in industrial processes such as filtration monitoring, pump performance, and flow measurement. Certificate of calibration not included
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, ±3-2-3% Gauge Accuracy, 120 (MPN 120-AA-00-OO-75P)
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MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, ±3-2-3% Gauge Accuracy, 120 (MPN 120-AA-00-OO-75P)
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MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, ±3-2-3% Gauge Accuracy, 142 (MPN 142-AA-00-OO-30H)
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, ±3-2-3% Gauge Accuracy, 142 (MPN 142-AA-00-OO-30H)