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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 4 1/2 in dial, 1/4 in NPT Female connection…

SKU 3G-OTH-174642

Also listed as: 120SC00OAA50P · 120SC 00 O AA 50P

Brand
MIDWEST INSTRUMENT
Item
Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120
Category
Medium & High Operating Pressure Differential Gauges with Switch
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

MIDWEST INSTRUMENT
Manufacturer Part Number
120SC-00-O-AA-50P
Series
120
Type
120
Dial
4 1/2 in
NPT Female
1/4 in
Sensor Type
Piston
Gauge Accuracy
±3-2-3%
Housing Material
316 Stainless Steel
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 4 1/2 in dial, 1/4 in NPT Female connection, and a piston sensor type. The housing is constructed from 316 Stainless Steel, with a gauge accuracy of ±3-2-3%. Certificate of Calibration is not included.

Frequently Asked Questions

What is the MIDWEST INSTRUMENT 120SC-00-O-AA-50P 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. It is used in industrial filtration, pump monitoring, and flow measurement applications where a local readout and switch output are needed.

What are the specifications of the MIDWEST INSTRUMENT 120SC-00-O-AA-50P?

This gauge has a 4 1/2 in dial, 1/4 in NPT Female connection, and a piston sensor type. Housing is 316 Stainless Steel. Gauge accuracy is ±3-2-3%. Certificate of Calibration is not included. The manufacturer part number is 120SC-00-O-AA-50P.

Where to buy the MIDWEST INSTRUMENT 120SC-00-O-AA-50P worldwide?

3G Electric supplies the MIDWEST INSTRUMENT Series 120 differential pressure gauge and switch to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this part number.

How to install the MIDWEST INSTRUMENT 120SC-00-O-AA-50P differential pressure gauge?

Mount the gauge using the 1/4 in NPT Female back connection. Ensure the process lines are clean and depressurized before installation. Follow standard piping practices for differential pressure instruments to avoid over-range damage. Refer to the manufacturer's manual for switch wiring.

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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This differential pressure gauge with switch from the Series 120 is designed for medium to high operating pressure systems. It features a 4 1/2 in dial, 1/4 in NPT female back connection, and a piston sensor. The housing is 316 stainless steel, with gauge accuracy of ±3-2-3%. Certificate of calibration not included
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This differential pressure gauge with switch from the Series 120 is designed for medium to high operating pressure systems. It features a 4 1/2 in dial, 1/4 in NPT female back connection, and a piston sensor. The housing is 316 stainless steel, with gauge accuracy of ±3-2-3%. Certificate of calibration not included
Medium and high operating pressure differential gauge with switch from the Series 120. Features a 4 1/2 in dial, 1/4 in NPT female connection, piston sensor, and 316 stainless steel housing. Accuracy is ±3-2-3%. Suitable for monitoring and switching in filtration, pump, and hydraulic systems
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Medium and high operating pressure differential gauge with switch from the Series 120. Features a 4 1/2 in dial, 1/4 in NPT female connection, piston sensor, and 316 stainless steel housing. Accuracy is ±3-2-3%. Suitable for monitoring and switching in filtration, pump, and hydraulic systems
Medium and high operating pressure differential gauge with switch, featuring a 4 1/2 in dial, 1/4 in NPT female connection, and piston sensor. Housing is 316 stainless steel. Gauge accuracy is ±3-2-3%. Used for measuring and controlling differential pressure in applications such as filtration monitoring, pump protection, and flow measurement
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Medium and high operating pressure differential gauge with switch, featuring a 4 1/2 in dial, 1/4 in NPT female connection, and piston sensor. Housing is 316 stainless steel. Gauge accuracy is ±3-2-3%. Used for measuring and controlling differential pressure in applications such as filtration monitoring, pump protection, and flow measurement
This medium and high operating pressure differential gauge with switch from the Series 120 features a 4 1/2 in dial, 1/4 in NPT female back connection, and a piston sensor. The housing is 316 stainless steel with ±3-2-3% accuracy. Used to measure and control differential pressure in industrial processes such as monitoring filter condition, pump performance, and flow
MIDWEST INSTRUMENT
This medium and high operating pressure differential gauge with switch from the Series 120 features a 4 1/2 in dial, 1/4 in NPT female back connection, and a piston sensor. The housing is 316 stainless steel with ±3-2-3% accuracy. Used to measure and control differential pressure in industrial processes such as monitoring filter condition, pump performance, and flow
This differential pressure gauge with switch from the Series 120 features a 4 1/2 in dial, 1/4 in NPT female connection, and a piston sensor. It has an accuracy of ±3-2-3% and a 316 stainless steel housing. Suitable for monitoring and switching differential pressure in medium to high operating pressure systems such as industrial filtration, pump monitoring, and hydraulic applications
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This differential pressure gauge with switch from the Series 120 features a 4 1/2 in dial, 1/4 in NPT female connection, and a piston sensor. It has an accuracy of ±3-2-3% and a 316 stainless steel housing. Suitable for monitoring and switching differential pressure in medium to high operating pressure systems such as industrial filtration, pump monitoring, and hydraulic applications
This medium and high operating pressure differential gauge with switch from the Series 120 features a 4 1/2 in dial, 1/4 in NPT female back connection, and a piston sensor. The 316 stainless steel housing provides corrosion resistance in demanding environments. Accuracy is ±3-2-3%. The integrated switch enables alarm or control output at a set point for monitoring differential pressure in hydraulic, pneumatic, and filtration systems
MIDWEST INSTRUMENT
This medium and high operating pressure differential gauge with switch from the Series 120 features a 4 1/2 in dial, 1/4 in NPT female back connection, and a piston sensor. The 316 stainless steel housing provides corrosion resistance in demanding environments. Accuracy is ±3-2-3%. The integrated switch enables alarm or control output at a set point for monitoring differential pressure in hydraulic, pneumatic, and filtration systems

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