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MIDWEST INSTRUMENTDifferential Pressure Indicators with Switch

MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator: 1,000 psig Max

The MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator (MPN 522S-030-LE) is a differential pressure indicator with switch, featuring a 1,000 psig maximum static pressure and ±5% of Full Scale accuracy. Its…

SKU 3G-OTH-174371

Also listed as: 522S030LE · 522S 030 LE

Brand
MIDWEST INSTRUMENT
Item
3-Color Differential Pressure Indicator: 1,000 psig Max
Category
Differential Pressure Indicators 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
522S-030-LE
Type
Static Pressure, 522
Accuracy
±5% of Full Scale
Sensor Material
Buna-N
Housing Material
316 Stainless Steel
Transition Points
0 psid to 13 psid (Green) / 13 psid to 20 psid (Yellow) / 20 psid to 30 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 522S-030-LE) is a differential pressure indicator with switch, featuring a 1,000 psig maximum static pressure and ±5% of Full Scale accuracy. Its Buna-N sensor and 316 Stainless Steel housing support transition points of 0 psid to 13 psid (Green), 13 psid to 20 psid (Yellow), and 20 psid to 30 psid (Red).

Frequently Asked Questions

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

This indicator provides a visual 3-color display of differential pressure across filters, pumps, or process lines. It is used in industrial fluid systems to monitor pressure drops and trigger alarms or shutdowns at preset transition points, helping maintenance teams identify clogging or system issues quickly.

What are the specifications of the MIDWEST INSTRUMENT 522S-030-LE?

The MIDWEST INSTRUMENT 522S-030-LE has a maximum static pressure of 1,000 psig, accuracy of ±5% of Full Scale, a Buna-N sensor, and a 316 Stainless Steel housing. Its transition points are 0 psid to 13 psid (Green), 13 psid to 20 psid (Yellow), and 20 psid to 30 psid (Red).

Where to buy the MIDWEST INSTRUMENT 522S-030-LE worldwide?

3G Electric supplies the MIDWEST INSTRUMENT 522S-030-LE differential pressure indicator to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this item.

How to install a MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator?

Install the indicator in a clean, dry location with process connections aligned to flow direction. Use appropriate thread sealant on the 316 Stainless Steel housing ports. Verify the static pressure does not exceed 1,000 psig and that the Buna-N sensor is compatible with the process fluid. Calibrate per the ±5% accuracy specification.

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 differential pressure indicators 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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