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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 piston sensor type, a 4 1/2 in dial, and a…

SKU 3G-OTH-174600

Also listed as: 120SC00OAA100P · 120SC 00 O AA 100P

Brand
MIDWEST INSTRUMENT
Item
Series 120 Differential Pressure Gauge with Switch
Category
Medium & High Operating Pressure Differential Gauges with Switch
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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
120SC-00-O-AA-100P
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

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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 piston sensor type, a 4 1/2 in dial, and a 1/4 in NPT Female connection, with a gauge accuracy of ±3-2-3% and a housing made of 316 Stainless Steel. A certificate of calibration is not included.

Frequently Asked Questions

What is the MIDWEST INSTRUMENT 120SC-00-O-AA-100P differential pressure gauge with switch used for?

This gauge with switch monitors and controls differential pressure in medium to high operating pressure systems. It is used in industrial filtration, pump protection, and process monitoring applications where a piston sensor provides reliable measurement and a switch triggers alarms or shutdowns.

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

The Series 120 model 120SC-00-O-AA-100P features a piston sensor, 4 1/2 in dial, 1/4 in NPT Female back connection, and 316 Stainless Steel housing. Gauge accuracy is ±3-2-3%. Certificate of calibration is not included. It is a medium and high operating pressure differential gauge with switch.

Where to buy the MIDWEST INSTRUMENT 120SC-00-O-AA-100P worldwide?

3G Electric supplies the MIDWEST INSTRUMENT 120SC-00-O-AA-100P differential pressure gauge with switch worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

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

Install the gauge with the 1/4 in NPT Female connection into a compatible port, ensuring proper sealing. Mount the 4 1/2 in dial in a location free from vibration and extreme temperatures. Wire the switch per the manufacturer's diagram. Calibrate the setpoint using a known pressure source. Always follow standard industrial safety practices.

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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Compatible alternatives & equivalents

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-75P)
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-75P)
MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 4 1/2 in Dial (MPN 120SC-00-O-AA-20P)
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-20P)
MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 4 1/2 in Dial (MPN 120SC-00-O-AA-30P)
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-30P)
MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 4 1/2 in Dial (MPN 120SC-00-O-AA-25P)
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-25P)
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
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-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)

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