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MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator: 1,000 psig Max - Differential Pressure Indicators with Switch
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 (SKU 61TH20, MPN 522A-005V-LA) is a differential pressure indicator with switch, featuring a maximum static pressure of 1,000 psig. It offers ±5% of Full…

SKU 3G-OTH-174301

Brand
MIDWEST INSTRUMENT
Item
3-Color Differential Pressure Indicator: 1,000 psig Max
Category
Differential Pressure Indicators with Switch
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Technical Specifications

MIDWEST INSTRUMENT
Manufacturer Part Number
522A-005V-LA
Type
Static Pressure, 522
Accuracy
±5% of Full Scale
Sensor Material
Viton
Housing Material
Aluminum
Transition Points
0 psid to 3 psid (Green) / 3 psid to 4 psid (Yellow) / 4 psid to 5 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 (SKU 61TH20, MPN 522A-005V-LA) is a differential pressure indicator with switch, featuring a maximum static pressure of 1,000 psig. It offers ±5% of Full Scale accuracy, with a Viton sensor and aluminum housing. The indicator uses three color-coded transition points: green from 0 psid to 3 psid, yellow from 3 psid to 4 psid, and red from 4 psid to 5 psid.

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 3-Color Differential Pressure Indicator used for?

This indicator is used to monitor differential pressure in industrial fluid systems, such as filtration, lubrication, or hydraulic circuits. Its three-color display provides immediate visual status: green (0–3 psid), yellow (3–4 psid), and red (4–5 psid), helping operators quickly identify normal, caution, or alarm conditions.

What are the specifications of the MIDWEST INSTRUMENT 522A-005V-LA?

The MIDWEST INSTRUMENT 522A-005V-LA has a maximum static pressure of 1,000 psig, accuracy of ±5% of Full Scale, a Viton sensor, and an aluminum housing. Transition points are 0–3 psid (green), 3–4 psid (yellow), and 4–5 psid (red). It is a differential pressure indicator with switch, model 522.

Where to buy the MIDWEST INSTRUMENT 522A-005V-LA worldwide?

You can source the MIDWEST INSTRUMENT 522A-005V-LA from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide this differential pressure indicator as part of our extensive product range.

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

Install the indicator in a clean, dry location within the system's pressure rating. Use appropriate fittings for the Viton sensor and aluminum housing. Ensure the static pressure does not exceed 1,000 psig. Follow standard piping practices for differential pressure devices, and verify the color transitions align with your process setpoints.

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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MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator: 1,000 psig Max. Static Pressure, 522 (MPN 522P-020V-LA). Key specifications — Brand: MIDWEST INSTRUMENT; Accuracy: ±5% of Full Scale; Sensor Material: Viton; Housing Material: Acetal Plastic; Transition Points: 0 psid to 10 psid (Green) / 10 psid to 15 psid (Yellow) / 15 psid to 20 psid (Red).
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MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator: 1,000 psig Max. Static Pressure, 522 (MPN 522P-020-LA). Key specifications — Brand: MIDWEST INSTRUMENT; Accuracy: ±5% of Full Scale; Sensor Material: Buna-N; Housing Material: Acetal Plastic; Transition Points: 0 psid to 10 psid (Green) / 10 psid to 15 psid (Yellow) / 15 psid to 20 psid (Red).
MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator: 1,000 psig Max. Static Pressure, 522 (MPN 522A-050-LA). Key specifications — Brand: MIDWEST INSTRUMENT; Accuracy: ±5% of Full Scale; Sensor Material: Buna-N; Housing Material: Aluminum; Transition Points: 0 psid to 20 psid (Green) / 20 psid to 30 psid (Yellow) / 30 psid to 50 psid (Red).
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MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator: 1,000 psig Max. Static Pressure, 522 (MPN 522A-050-LA). Key specifications — Brand: MIDWEST INSTRUMENT; Accuracy: ±5% of Full Scale; Sensor Material: Buna-N; Housing Material: Aluminum; Transition Points: 0 psid to 20 psid (Green) / 20 psid to 30 psid (Yellow) / 30 psid to 50 psid (Red).
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MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator: 1,000 psig Max. Static Pressure, 522 (MPN 522A-050V-LA). Key specifications — Brand: MIDWEST INSTRUMENT; Accuracy: ±5% of Full Scale; Sensor Material: Viton; Housing Material: Aluminum; Transition Points: 0 psid to 20 psid (Green) / 20 psid to 30 psid (Yellow) / 30 psid to 50 psid (Red).

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MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator: 1,000 psig Max. Static Pressure, 522 (MPN 522A-010-LA). Key specifications — Brand: MIDWEST INSTRUMENT; Accuracy: ±5% of Full Scale; Sensor Material: Buna-N; Housing Material: Aluminum; Transition Points: 0 psid to 5 psid (Green) / 5 psid to 7 psid (Yellow) / 7 psid to 10 psid (Red).
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MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator: 1,000 psig Max. Static Pressure, 522 (MPN 522A-010-LA). Key specifications — Brand: MIDWEST INSTRUMENT; Accuracy: ±5% of Full Scale; Sensor Material: Buna-N; Housing Material: Aluminum; Transition Points: 0 psid to 5 psid (Green) / 5 psid to 7 psid (Yellow) / 7 psid to 10 psid (Red).
MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator: 1,000 psig Max. Static Pressure, 522 (MPN 522A-030V-LA). Key specifications — Brand: MIDWEST INSTRUMENT; Accuracy: ±5% of Full Scale; Sensor Material: Viton; Housing Material: Aluminum; 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 3-Color Differential Pressure Indicator: 1,000 psig Max. Static Pressure, 522 (MPN 522S-030-LE). Key specifications — Brand: MIDWEST INSTRUMENT; 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).
MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator: 1,000 psig Max. Static Pressure, 522 (MPN 522A-015-LA). Key specifications — Brand: MIDWEST INSTRUMENT; Accuracy: ±5% of Full Scale; Sensor Material: Buna-N; Housing Material: Aluminum; Transition Points: 0 psid to 7.5 psid (Green) / 7.5 psid to 11 psid (Yellow) / 11 psid to 15 psid (Red).
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MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator: 1,000 psig Max. Static Pressure, 522 (MPN 522A-015-LA). Key specifications — Brand: MIDWEST INSTRUMENT; Accuracy: ±5% of Full Scale; Sensor Material: Buna-N; Housing Material: Aluminum; Transition Points: 0 psid to 7.5 psid (Green) / 7.5 psid to 11 psid (Yellow) / 11 psid to 15 psid (Red).
MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator: 1,000 psig Max. Static Pressure, 522 (MPN 522A-015V-LE). Key specifications — Brand: MIDWEST INSTRUMENT; Accuracy: ±5% of Full Scale; Sensor Material: Viton; Housing Material: Aluminum; Transition Points: 0 psid to 7.5 psid (Green) / 7.5 psid to 11 psid (Yellow) / 11 psid to 15 psid (Red).
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MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator: 1,000 psig Max. Static Pressure, 522 (MPN 522A-015V-LE). Key specifications — Brand: MIDWEST INSTRUMENT; Accuracy: ±5% of Full Scale; Sensor Material: Viton; Housing Material: Aluminum; Transition Points: 0 psid to 7.5 psid (Green) / 7.5 psid to 11 psid (Yellow) / 11 psid to 15 psid (Red).
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MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator: 1,000 psig Max. Static Pressure, 522 (MPN 522S-025V-LE). Key specifications — Brand: MIDWEST INSTRUMENT; Accuracy: ±5% of Full Scale; Sensor Material: Viton; Housing Material: 316 Stainless Steel; Transition Points: 0 psid to 11 psid (Green) / 11 psid to 18.5 psid (Yellow) / 18.5 psid to 25 psid (Red).