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

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

The MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator (MPN 522P-015) is a differential pressure indicator with a maximum static pressure of 1,000 psig. It features an accuracy of ±5% of Full Scale, a Buna-N…

SKU 3G-OTH-174415

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

MIDWEST INSTRUMENT
Manufacturer Part Number
522P-015
Type
Static Pressure, 522
Accuracy
±5% of Full Scale
Sensor Material
Buna-N
Housing Material
Acetal Plastic
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 Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator (MPN 522P-015) is a differential pressure indicator with a maximum static pressure of 1,000 psig. It features an accuracy of ±5% of Full Scale, a Buna-N sensor, and an Acetal Plastic housing. The indicator uses three color-coded transition points: Green from 0 psid to 7.5 psid, Yellow from 7.5 psid to 11 psid, and Red from 11 psid to 15 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 visually shows differential pressure across filters or strainers in industrial fluid systems. The three-color band (green, yellow, red) gives operators an immediate status check, helping schedule maintenance before a filter blocks completely.

What are the specifications of the MIDWEST INSTRUMENT 522P-015?

The MIDWEST INSTRUMENT 522P-015 has a maximum static pressure of 1,000 psig, accuracy of ±5% of full scale, a Buna-N sensor, and an Acetal Plastic housing. Transition points are 0–7.5 psid (green), 7.5–11 psid (yellow), and 11–15 psid (red).

Where to buy the MIDWEST INSTRUMENT 522P-015 worldwide?

3G Electric supplies the MIDWEST INSTRUMENT 522P-015 differential pressure indicator to customers worldwide. We handle full logistics and customs clearance, ensuring the indicator reaches your facility reliably. Contact us for a quote and delivery options.

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

Install the indicator in a vertical or horizontal pipe run using compatible fittings. Ensure the static pressure does not exceed 1,000 psig. Follow standard practice for differential pressure gauges: isolate the line, bleed pressure, and check for leaks before returning to service.

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. 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-020). 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).
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MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator: 1,000 psig Max. Static Pressure, 522 (MPN 522P-020). 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 522P-025). Key specifications — Brand: MIDWEST INSTRUMENT; Accuracy: ±5% of Full Scale; Sensor Material: Buna-N; Housing Material: Acetal Plastic; Transition Points: 0 psid to 11 psid (Green) / 11 psid to 18.5 psid (Yellow) / 18.5 psid to 25 psid (Red).
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MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator: 1,000 psig Max. Static Pressure, 522 (MPN 522P-025). Key specifications — Brand: MIDWEST INSTRUMENT; Accuracy: ±5% of Full Scale; Sensor Material: Buna-N; Housing Material: Acetal Plastic; Transition Points: 0 psid to 11 psid (Green) / 11 psid to 18.5 psid (Yellow) / 18.5 psid to 25 psid (Red).
MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator: 1,000 psig Max. Static Pressure, 522 (MPN 522P-005). Key specifications — Brand: MIDWEST INSTRUMENT; Accuracy: ±5% of Full Scale; Sensor Material: Buna-N; Housing Material: Acetal Plastic; 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 3-Color Differential Pressure Indicator: 1,000 psig Max. Static Pressure, 522 (MPN 522P-005). Key specifications — Brand: MIDWEST INSTRUMENT; Accuracy: ±5% of Full Scale; Sensor Material: Buna-N; Housing Material: Acetal Plastic; Transition Points: 0 psid to 3 psid (Green) / 3 psid to 4 psid (Yellow) / 4 psid to 5 psid (Red).
MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator: 1,000 psig Max. Static Pressure, 522 (MPN 522P-050). Key specifications — Brand: MIDWEST INSTRUMENT; Accuracy: ±5% of Full Scale; Sensor Material: Buna-N; Housing Material: Acetal Plastic; 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 522P-050). Key specifications — Brand: MIDWEST INSTRUMENT; Accuracy: ±5% of Full Scale; Sensor Material: Buna-N; Housing Material: Acetal Plastic; Transition Points: 0 psid to 20 psid (Green) / 20 psid to 30 psid (Yellow) / 30 psid to 50 psid (Red).
MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator: 1,000 psig Max. Static Pressure, 522 (MPN 522P-030). Key specifications — Brand: MIDWEST INSTRUMENT; Accuracy: ±5% of Full Scale; Sensor Material: Buna-N; Housing Material: Acetal Plastic; 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 522P-030). Key specifications — Brand: MIDWEST INSTRUMENT; Accuracy: ±5% of Full Scale; Sensor Material: Buna-N; Housing Material: Acetal Plastic; 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). 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). 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 522S-015V). Key specifications — Brand: MIDWEST INSTRUMENT; Accuracy: ±5% of Full Scale; Sensor Material: Viton; Housing Material: Stainless Steel; 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). Key specifications — Brand: MIDWEST INSTRUMENT; Accuracy: ±5% of Full Scale; Sensor Material: Viton; Housing Material: Stainless Steel; Transition Points: 0 psid to 11 psid (Green) / 11 psid to 18.5 psid (Yellow) / 18.5 psid to 25 psid (Red).
MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator: 1,000 psig Max. Static Pressure, 522 (MPN 522S-030V). Key specifications — Brand: MIDWEST INSTRUMENT; Accuracy: ±5% of Full Scale; Sensor Material: Viton; Housing Material: 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 3-Color Differential Pressure Indicator: 1,000 psig Max. Static Pressure, 522 (MPN 522S-030V). Key specifications — Brand: MIDWEST INSTRUMENT; Accuracy: ±5% of Full Scale; Sensor Material: Viton; Housing Material: 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-030V). 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 522A-030V). 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).
MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator: 300 psig Max. Static Pressure, 555A (MPN 555A-43.0). Key specifications — Brand: MIDWEST INSTRUMENT; 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).
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator: 300 psig Max. Static Pressure, 555A (MPN 555A-43.0). Key specifications — Brand: MIDWEST INSTRUMENT; 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).
MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator: 1,000 psig Max. Static Pressure, 522 (MPN 522P-010). Key specifications — Brand: MIDWEST INSTRUMENT; Accuracy: ±5% of Full Scale; Sensor Material: Buna-N; Housing Material: Acetal Plastic; Transition Points: 0 psid to 5 psid (Green) / 5 psid to 7 psid (Yellow) / 7 psid to 10 psid (Red).
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator: 1,000 psig Max. Static Pressure, 522 (MPN 522P-010). Key specifications — Brand: MIDWEST INSTRUMENT; Accuracy: ±5% of Full Scale; Sensor Material: Buna-N; Housing Material: Acetal Plastic; 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-050). 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).
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT 3-Color Differential Pressure Indicator: 1,000 psig Max. Static Pressure, 522 (MPN 522A-050). 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).