We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

MIDWEST INSTRUMENT Series 140 Differential Pressure Gauge - Medium & High Operating Pressure Differential Gauges
MIDWEST INSTRUMENTMedium & High Operating Pressure Differential Gauges

MIDWEST INSTRUMENT Series 140 Differential Pressure Gauge

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 type, a gauge accuracy of ±3-2-3%, and a housing…

SKU 3G-OTH-175110

Also listed as: 140SC00OO30P · 140 SC 00 OO 30P

Brand
MIDWEST INSTRUMENT
Item
Series 140 Differential Pressure Gauge
Category
Medium & High Operating Pressure Differential Gauges
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
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-SC-00-OO-30P
Series
140
Type
±3-2-3% Gauge Accuracy, 140
NPT Female
1/4 in
Sensor Type
Diaphragm
Gauge Accuracy
±3-2-3%
Housing Material
316 Stainless Steel
Certificate of Calibration
Not Included

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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 type, a gauge accuracy of ±3-2-3%, and a housing constructed from 316 Stainless Steel. The gauge has a 1/4 in NPT Female connection and is identified by manufacturer part number 140-SC-00-OO-30P.

Frequently Asked Questions

What is the MIDWEST INSTRUMENT 140-SC-00-OO-30P differential pressure gauge used for?

The MIDWEST INSTRUMENT Series 140 differential pressure gauge is used to measure the difference in pressure between two points in industrial fluid systems. It is suitable for medium and high operating pressure applications, such as monitoring filter condition, pump performance, or flow across an orifice in process lines.

What are the specifications of the MIDWEST INSTRUMENT 140-SC-00-OO-30P?

This gauge has a diaphragm sensor, ±3-2-3% accuracy, and a 316 stainless steel housing. It features a 1/4 in NPT female back connection. The manufacturer part number is 140-SC-00-OO-30P. A certificate of calibration is not included. It is part of the Series 140 for medium and high operating pressures.

Where to buy the MIDWEST INSTRUMENT 140-SC-00-OO-30P worldwide?

You can source the MIDWEST INSTRUMENT 140-SC-00-OO-30P 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 Series 140 differential pressure gauge?

Install the gauge with the 1/4 in NPT female connection using compatible fittings and sealant. Mount it in a location free from excessive vibration and within the rated pressure range. Ensure the high-pressure port connects to the higher pressure side. Follow standard piping best practices and avoid overtightening.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
The MIDWEST INSTRUMENT Series 140 differential pressure gauge features a diaphragm sensor and 316 stainless steel housing. It offers ±3-2-3% gauge accuracy and a 1/4 in NPT female connection. This gauge is used for measuring differential pressure in medium and high operating pressure applications such as filtration monitoring and flow measurement
MIDWEST INSTRUMENT
The MIDWEST INSTRUMENT Series 140 differential pressure gauge features a diaphragm sensor and 316 stainless steel housing. It offers ±3-2-3% gauge accuracy and a 1/4 in NPT female connection. This gauge is used for measuring differential pressure in medium and high operating pressure applications such as filtration monitoring and flow measurement
The MIDWEST INSTRUMENT Series 140 differential pressure gauge uses a diaphragm sensor to measure pressure differences in medium and high operating pressure systems. It features a 316 stainless steel housing, ±3-2-3% gauge accuracy, and a 1/4 in NPT female connection. Typical applications include filtration monitoring, pump performance checks, and flow measurement in industrial processes
MIDWEST INSTRUMENT
The MIDWEST INSTRUMENT Series 140 differential pressure gauge uses a diaphragm sensor to measure pressure differences in medium and high operating pressure systems. It features a 316 stainless steel housing, ±3-2-3% gauge accuracy, and a 1/4 in NPT female connection. Typical applications include filtration monitoring, pump performance checks, and flow measurement in industrial processes
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
MIDWEST INSTRUMENT
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
Differential pressure gauge from the Series 142, featuring a diaphragm sensor and ±3-2-3% gauge accuracy. Housing is 316 stainless steel with a 1/4 in NPT female back connection. Suitable for measuring pressure differences in medium to high operating pressure systems, commonly used in filtration, pump monitoring, and flow measurement applications
MIDWEST INSTRUMENT
Differential pressure gauge from the Series 142, featuring a diaphragm sensor and ±3-2-3% gauge accuracy. Housing is 316 stainless steel with a 1/4 in NPT female back connection. Suitable for measuring pressure differences 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 line features a diaphragm sensor and ±3-2-3% gauge accuracy. The housing is made of 316 stainless steel with a 1/4 in NPT female back connection. It is used to measure pressure differences in systems such as filtration, flow monitoring, and pump applications in industrial process control
MIDWEST INSTRUMENT
This differential pressure gauge from the Series 140 line features a diaphragm sensor and ±3-2-3% gauge accuracy. The housing is made of 316 stainless steel with a 1/4 in NPT female back connection. It is used to measure pressure differences in systems such as filtration, flow monitoring, and pump applications in industrial process control
This differential pressure gauge from the Series 140 uses a diaphragm sensor to measure pressure differences in fluid systems. It features a 316 stainless steel housing, ±3-2-3% gauge accuracy, and a 1/4 in NPT female back connection. Typical applications include filtration monitoring, pump performance checks, and HVAC systems where medium to high operating pressures are encountered
MIDWEST INSTRUMENT
This differential pressure gauge from the Series 140 uses a diaphragm sensor to measure pressure differences in fluid systems. It features a 316 stainless steel housing, ±3-2-3% gauge accuracy, and a 1/4 in NPT female back connection. Typical applications include filtration monitoring, pump performance checks, and HVAC systems where medium to high operating pressures are encountered

More from MIDWEST INSTRUMENT

View all MIDWEST INSTRUMENT parts
This differential pressure gauge from the Series 142 uses a diaphragm sensor to measure pressure differences in medium to high operating pressure systems. The aluminum housing and ±3-2-3% gauge accuracy make it suitable for industrial filtration, pump monitoring, and HVAC applications. Connections are 1/4 in NPT Female. Certificate of calibration not included
MIDWEST INSTRUMENT
This differential pressure gauge from the Series 142 uses a diaphragm sensor to measure pressure differences in medium to high operating pressure systems. The aluminum housing and ±3-2-3% gauge accuracy make it suitable for industrial filtration, pump monitoring, and HVAC applications. Connections are 1/4 in NPT Female. Certificate of calibration not included
This differential pressure gauge from the Model 142 series measures pressure difference between two points in medium to high operating pressure systems. It features a 2 1/2 in dial, 1/4 in NPT female back connection, diaphragm sensor, and 316 stainless steel housing. Typical applications include filter monitoring, pump performance checks, and flow measurement in industrial processes
MIDWEST INSTRUMENT
This differential pressure gauge from the Model 142 series measures pressure difference between two points in medium to high operating pressure systems. It features a 2 1/2 in dial, 1/4 in NPT female back connection, diaphragm sensor, and 316 stainless steel housing. Typical applications include filter monitoring, pump performance checks, and flow measurement in industrial processes
This differential pressure gauge from the Series 142 features a diaphragm sensor and ±3-2-3% gauge accuracy. The housing is constructed of 316 stainless steel with a 1/4 in NPT female back connection. It is suited for measuring pressure differences in medium and high operating pressure systems such as filtration, flow monitoring, and pump control. Certificate of calibration is not included
MIDWEST INSTRUMENT
This differential pressure gauge from the Series 142 features a diaphragm sensor and ±3-2-3% gauge accuracy. The housing is constructed of 316 stainless steel with a 1/4 in NPT female back connection. It is suited for measuring pressure differences in medium and high operating pressure systems such as filtration, flow monitoring, and pump control. Certificate of calibration is not included
Differential pressure gauge with diaphragm sensor and aluminum housing. ±3-2-3% gauge accuracy. 1/4 in NPT female back connection. Suitable for measuring pressure differences in medium and high operating pressure systems such as HVAC, filtration, and process control. Certificate of calibration not included
MIDWEST INSTRUMENT
Differential pressure gauge with diaphragm sensor and aluminum housing. ±3-2-3% gauge accuracy. 1/4 in NPT female back connection. Suitable for measuring pressure differences in medium and high operating pressure systems such as HVAC, filtration, and process control. Certificate of calibration not included
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, Model 142, 2 1/2 in Dial (MPN 142-SA-00-OO-25P)
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT Differential Pressure Gauge: Back, 1/4 in NPT Female, Model 142, 2 1/2 in Dial (MPN 142-SA-00-OO-25P)
Piston-type differential pressure gauge for medium to high operating pressure systems. Features a 316L stainless steel housing, ±3-2-3% gauge accuracy, and 1/4 in NPT female back connections. Suitable for monitoring pressure differences in filtration, flow measurement, and pump monitoring applications
MIDWEST INSTRUMENT
Piston-type differential pressure gauge for medium to high operating pressure systems. Features a 316L stainless steel housing, ±3-2-3% gauge accuracy, and 1/4 in NPT female back connections. Suitable for monitoring pressure differences in filtration, flow measurement, and pump monitoring applications
This differential pressure gauge from the Model 142 series measures the difference in pressure between two points in a system. It features a 4 1/2 in dial, 1/4 in NPT Female back connection, diaphragm sensor, and aluminum housing. Designed for medium and high operating pressures, it is commonly used in industrial applications such as filtration monitoring, pump performance verification, and flow measurement. Certificate of calibration not included
MIDWEST INSTRUMENT
This differential pressure gauge from the Model 142 series measures the difference in pressure between two points in a system. It features a 4 1/2 in dial, 1/4 in NPT Female back connection, diaphragm sensor, and aluminum housing. Designed for medium and high operating pressures, it is commonly used in industrial applications such as filtration monitoring, pump performance verification, and flow measurement. Certificate of calibration 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 measuring pressure differences in industrial filtration, flow monitoring, and pump systems where medium to high operating pressures are encountered. 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 1/4 in NPT female back connections. It uses a diaphragm sensor and is housed in 316 stainless steel. Typical applications include measuring pressure differences in industrial filtration, flow monitoring, and pump systems where medium to high operating pressures are encountered. Certificate of calibration is not included