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MIDWEST INSTRUMENT Series 120 Differential Pressure Gauge with Switch - Medium & High Operating Pressure Differential Gauges with Switch
MIDWEST INSTRUMENTMedium & High Operating Pressure Differential Gauges with Switch

MIDWEST INSTRUMENT Series 120 Differential Pressure Gauge with Switch

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-174614

Also listed as: 120SC00OAA20P · 120SC 00 O AA 20P

Brand
MIDWEST INSTRUMENT
Item
Series 120 Differential Pressure Gauge with Switch
Category
Medium & High Operating Pressure Differential Gauges with Switch
Available to Order
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Technical specs
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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
120SC-00-O-AA-20P
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 of 316 Stainless Steel, with a gauge accuracy of ±3-2-3%. Note: a Certificate of Calibration is not included.

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 120SC-00-O-AA-20P differential pressure gauge with switch used for?

This gauge measures and switches on differential pressure in medium to high operating pressure systems. It is commonly used in industrial filtration, pump monitoring, and hydraulic applications where a piston sensor and 316 stainless steel housing are required for durability.

What are the specifications of the MIDWEST INSTRUMENT Series 120 differential pressure gauge with switch?

The Series 120 model 120SC-00-O-AA-20P has a 4 1/2 in dial, 1/4 in NPT Female back connection, piston sensor, 316 stainless steel housing, and gauge accuracy of ±3-2-3%. It does not include a certificate of calibration.

Where to buy the MIDWEST INSTRUMENT 120SC-00-O-AA-20P differential pressure gauge with switch worldwide?

3G Electric supplies the MIDWEST INSTRUMENT 120SC-00-O-AA-20P differential pressure gauge with switch worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install a MIDWEST INSTRUMENT Series 120 differential pressure gauge with switch?

Mount the gauge using the 1/4 in NPT Female back connection with appropriate sealant. Ensure the process lines are depressurized before installation. Connect electrical wiring per the switch rating. Follow standard industrial 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 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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Cross-referenced by specification & description
MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 4 1/2 in Dial (MPN 120SC-00-O-AA-5P)
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MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 4 1/2 in Dial (MPN 120SC-00-O-AA-5P)
MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 4 1/2 in Dial (MPN 120SC-00-O-AA-15P)
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MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 4 1/2 in Dial (MPN 120SC-00-O-AA-15P)
MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 4 1/2 in Dial (MPN 120SC-00-O-AA-25P)
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MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 4 1/2 in Dial (MPN 120SC-00-O-AA-25P)
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
MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 4 1/2 in Dial (MPN 120SC-00-O-AA-50P)
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 4 1/2 in Dial (MPN 120SC-00-O-AA-50P)
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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