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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 140. It features a diaphragm sensor, aluminum housing, and a gauge accuracy of…

SKU 3G-OTH-175117

Also listed as: 140AC00OO50P · 140 AC 00 OO 50P

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
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

MIDWEST INSTRUMENT
Manufacturer Part Number
140-AC-00-OO-50P
Series
140
Type
±3-2-3% Gauge Accuracy, 140
NPT Female
1/4 in
Sensor Type
Diaphragm
Gauge Accuracy
±3-2-3%
Housing Material
Aluminum
Certificate of Calibration
Not Included

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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 140. It features a diaphragm sensor, aluminum housing, and a gauge accuracy of ±3-2-3%. The product has a 1/4 in NPT Female connection and is identified by manufacturer part number 140-AC-00-OO-50P.

Frequently Asked Questions

What is the MIDWEST INSTRUMENT 140 differential pressure gauge used for?

The MIDWEST INSTRUMENT Series 140 differential pressure gauge is used to measure pressure differences in medium and high operating pressure systems. Common applications include monitoring filters, pumps, and flow in industrial HVAC, oil and gas, and process piping. Its diaphragm sensor handles demanding environments.

What are the specifications of the MIDWEST INSTRUMENT 140-AC-00-OO-50P?

The MIDWEST INSTRUMENT 140-AC-00-OO-50P is a Series 140 differential pressure gauge with a diaphragm 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 140-AC-00-OO-50P.

Where to buy the MIDWEST INSTRUMENT 140 differential pressure gauge worldwide?

You can source the MIDWEST INSTRUMENT Series 140 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 item.

How to install a MIDWEST INSTRUMENT diaphragm differential pressure gauge?

Install the MIDWEST INSTRUMENT Series 140 gauge by connecting the 1/4 in NPT Female back port to the process line using compatible fittings. Ensure the diaphragm sensor is not overpressured beyond rated limits. Use a pressure snubber if pulsation is present. Follow standard piping best practices for differential pressure instruments.

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, ±3-2-3% Gauge Accuracy, 140 (MPN 140-AC-00-OO-100P)
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, ±3-2-3% Gauge Accuracy, 140 (MPN 140-AC-00-OO-100P)
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, ±3-2-3% Gauge Accuracy, 140 (MPN 140-AC-00-OO-30P)
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, ±3-2-3% Gauge Accuracy, 140 (MPN 140-AC-00-OO-30P)
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, ±3-2-3% Gauge Accuracy, 140 (MPN 140-SA-00-OO-50P)
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, ±3-2-3% Gauge Accuracy, 140 (MPN 140-SA-00-OO-50P)
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, ±3-2-3% Gauge Accuracy, 140 (MPN 140-SA-00-OO-30P)
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, ±3-2-3% Gauge Accuracy, 140 (MPN 140-SA-00-OO-30P)
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, ±3-2-3% Gauge Accuracy, 140 (MPN 140-SC-00-OO-50P)
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, ±3-2-3% Gauge Accuracy, 140 (MPN 140-SC-00-OO-50P)
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, ±3-2-3% Gauge Accuracy, 140 (MPN 140-SA-00-OO-100P)
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, ±3-2-3% Gauge Accuracy, 140 (MPN 140-SA-00-OO-100P)

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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
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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
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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
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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
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MIDWEST INSTRUMENT
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