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MIDWEST INSTRUMENT 555A-43.0 3-Color Differential Pressure Indicator - Differential Pressure Indicators
MIDWEST INSTRUMENTDifferential Pressure Indicators

MIDWEST INSTRUMENT 555A-43.0 3-Color Differential Pressure Indicator

The MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator (MPN 555A-43.0) is a differential pressure indicator with a maximum static pressure of 300 psig. It features an accuracy of ±5% (0-3.5 psid to 0-43…

SKU 3G-OTH-174433

Also listed as: 555A430 · 555A 43 0 · 555A-43-0

Brand
MIDWEST INSTRUMENT
Item
555A-43.0 3-Color Differential Pressure Indicator
Part Number
555A-43.0
Category
Differential Pressure Indicators
Available to Order
Also known as:555A-43.0MIDWEST INSTRUMENT
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Technical Specifications

MIDWEST INSTRUMENT
Manufacturer Part Number
555A-43.0
Type
Static Pressure, 555A
Accuracy
±5% (0-3.5 psid to 0-43 psid)
Sensor Material
Buna-N
Housing Material
Glass-Filled Nylon
Transition Points
0 psid to 19.5 psid (Green) / 19.5 psid to 29.5 psid (Yellow) / 29.5 psid to 43 psid (Red)

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MIDWEST INSTRUMENT Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator (MPN 555A-43.0) is a differential pressure indicator with a maximum static pressure of 300 psig. It features an accuracy of ±5% (0-3.5 psid to 0-43 psid), a Buna-N sensor, and a glass-filled nylon housing. The indicator uses three color transition points: green from 0 psid to 19.5 psid, yellow from 19.5 psid to 29.5 psid, and red from 29.5 psid to 43 psid.

Frequently Asked Questions

What is the MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator used for?

This indicator provides a visual status of differential pressure in industrial fluid systems. The three-color display (green, yellow, red) allows operators to quickly assess filter condition, pump performance, or line blockages without needing a gauge, improving maintenance response times.

What are the specifications of the MIDWEST INSTRUMENT 555A-43.0?

The MIDWEST INSTRUMENT 555A-43.0 has a maximum static pressure of 300 psig, accuracy of ±5% over ranges from 0-3.5 psid to 0-43 psid, a Buna-N sensor, and a glass-filled nylon housing. Transition points are green at 0 psid to 19.5 psid, yellow at 19.5 psid to 29.5 psid, and red at 29.5 psid to 43 psid.

Where to buy the MIDWEST INSTRUMENT 555A-43.0 worldwide?

3G Electric supplies the MIDWEST INSTRUMENT 555A-43.0 to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this differential pressure indicator to your facility. Contact us for a quote and delivery timeline.

How to select the right MIDWEST INSTRUMENT differential pressure indicator?

Select based on your system's maximum static pressure (300 psig for this model), required differential pressure range (0-43 psid), and fluid compatibility with the Buna-N sensor. The three-color transition points help match alarm or maintenance thresholds. Consult your system's operating parameters before ordering.

Used in

Common applications for MIDWEST INSTRUMENT
Oil and gas processing — Series 120 differential pressure gauges with piston sensors for high-pressure filter monitoring
Chemical processing — Series 140 differential pressure gauges with 316 stainless steel housing for corrosive media
Water treatment — Series 130 differential pressure gauges with glass-reinforced plastic housing for pump differential pressure
HVAC and building automation — 522P-015-LA differential pressure indicator with switch for filter status monitoring
Power generation — Series 142 differential pressure gauges with diaphragm sensors for flow measurement in cooling systems
Pharmaceutical manufacturing — Midwest Instrument differential pressure gauges with 316 stainless steel wetted parts for clean processes
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MIDWEST INSTRUMENT Products

3G Electric supplies MIDWEST INSTRUMENT differential pressure indicators. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Static pressure indicator with three color-coded transition points: green (0-3 psid), yellow (3-4 psid), and red (4-5 psid). Accuracy ±5% of full scale. Viton sensor, acetal plastic housing. Suitable for monitoring filter condition, pump performance, or process pressure differentials

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