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

SKU 3G-OTH-174630

Also listed as: 120SA00OCA20P · 120 SA 00 O CA 20P · 120-SA-00-O-CA-20P

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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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
120-SA-00-O(CA)-20P
Series
120
Type
120, 2 1/2 in Dial (MPN 120-SA-00-O(CA)-20P)
NPT Female
1/4 in
Sensor Type
Piston
Gauge Accuracy
±3-2-3%
Housing Material
316L 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 piston sensor type, a 2 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 316L Stainless Steel. The MPN is 120-SA-00-O(CA)-20P, and a certificate of calibration is not included.

Frequently Asked Questions

What is the MIDWEST INSTRUMENT 120-SA-00-O(CA)-20P differential pressure gauge used for?

This gauge with switch monitors and controls differential pressure in medium to high operating pressure systems. It is used in industrial applications such as filtration, pump monitoring, and flow measurement where a piston sensor provides reliable performance.

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

The Series 120 gauge has a piston sensor, 2 1/2 in dial, 1/4 in NPT Female connection, and 316L Stainless Steel housing. Gauge accuracy is ±3-2-3%. Certificate of calibration is not included. MPN is 120-SA-00-O(CA)-20P.

Where to buy the MIDWEST INSTRUMENT 120-SA-00-O(CA)-20P differential pressure gauge worldwide?

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

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

Install the gauge with the 1/4 in NPT Female connection using appropriate thread sealant. Mount in a location free from excessive vibration. Connect impulse lines to high- and low-pressure ports. Follow standard piping 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, 2 1/2 in Dial (MPN 120-SA-00-O(CA)-15P)
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 2 1/2 in Dial (MPN 120-SA-00-O(CA)-15P)
MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 2 1/2 in Dial (MPN 120-SA-00-O(CA)-100P)
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MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 2 1/2 in Dial (MPN 120-SA-00-O(CA)-100P)
Medium and high operating pressure differential gauge with switch, featuring a piston sensor and 2 1/2 in dial. Housing is 316L stainless steel with 1/4 in NPT female connection. Gauge accuracy is ±3-2-3%. Suitable for monitoring differential pressure in industrial processes such as filtration and pump protection
MIDWEST INSTRUMENT
Medium and high operating pressure differential gauge with switch, featuring a piston sensor and 2 1/2 in dial. Housing is 316L stainless steel with 1/4 in NPT female connection. Gauge accuracy is ±3-2-3%. Suitable for monitoring differential pressure in industrial processes such as filtration and pump protection
This medium and high operating pressure differential gauge with switch features a piston sensor and a 2 1/2 in dial with ±3-2-3% accuracy. The 316L stainless steel housing and 1/4 in NPT female back connection suit industrial applications such as filtration monitoring, pump protection, and flow measurement. No certificate of calibration included
MIDWEST INSTRUMENT
This medium and high operating pressure differential gauge with switch features a piston sensor and a 2 1/2 in dial with ±3-2-3% accuracy. The 316L stainless steel housing and 1/4 in NPT female back connection suit industrial applications such as filtration monitoring, pump protection, and flow measurement. No certificate of calibration included
MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 2 1/2 in Dial (MPN 120-SA-00-O(CA)-50P)
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 2 1/2 in Dial (MPN 120-SA-00-O(CA)-50P)
MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 2 1/2 in Dial (MPN 120-SA-00-O(CA)-5P)
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 2 1/2 in Dial (MPN 120-SA-00-O(CA)-5P)

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