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DwyerHazardous Location Adjustable Set-Point Air Pressure Switches

Dwyer 1950P-2-2F Hazardous Location Adjustable Set-Point Air Pressure Switch

The Dwyer 1950P-2-2F is a hazardous location adjustable set-point air pressure switch with a differential pressure range of 0.5 psid to 2 psid. It features a standard housing, SPDT switch, and 1/8 in NPT connections…

SKU 3G-OTH-68284

Also listed as: 1950P22F · 1950P 2 2F

Brand
Dwyer
Item
1950P-2-2F Hazardous Location Adjustable Set-Point Air Pressure Switch
Part Number
1950P-2-2F
Category
Hazardous Location Adjustable Set-Point Air Pressure Switches
Available to Order
Also known as:1950P-2-2FDwyer
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Technical Specifications

Dwyer
Manufacturer Part Number
1950P-2-2F
Type
0.5 psid to 2 psid, Std Housing, SPDT, NPT
NPT
1/8 in
Switch Voltage
250V AC

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

Product Description

The Dwyer 1950P-2-2F is a hazardous location adjustable set-point air pressure switch with a differential pressure range of 0.5 psid to 2 psid. It features a standard housing, SPDT switch, and 1/8 in NPT connections, with a switch voltage of 250V AC.

Frequently Asked Questions

What is the Dwyer 1950P-2-2F differential pressure switch used for?

The Dwyer 1950P-2-2F is used to monitor and control differential air pressure in hazardous locations. Typical applications include HVAC duct static pressure, filter monitoring, and industrial ventilation systems where an adjustable set-point from 0.5 psid to 2 psid is required.

What are the specifications of the Dwyer 1950P-2-2F?

The Dwyer 1950P-2-2F has a differential pressure range of 0.5 psid to 2 psid, a standard housing, SPDT switch, 1/8 in NPT connections, and a switch voltage of 250V AC. It is designed for hazardous location use and carries the manufacturer part number 1950P-2-2F.

Where to buy the Dwyer 1950P-2-2F worldwide?

You can source the Dwyer 1950P-2-2F through 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 on this Dwyer differential pressure switch.

How to install the Dwyer 1950P-2-2F differential pressure switch?

Mount the Dwyer 1950P-2-2F in a clean, dry location using the 1/8 in NPT connections. Connect the high-pressure port to the higher pressure source and the low-pressure port to the lower pressure source. Adjust the set-point screw to the desired differential pressure between 0.5 psid and 2 psid. Verify SPDT wiring per the Dwyer manual.

Used in

Common applications for Dwyer
Combustion air-filter monitoring — Magnehelic Series 2000 on burner air-intake filter banks
Clean-room and pharmaceutical pressurisation — Magnehelic / Capsuhelic differential-pressure gauges
HVAC fan-discharge static pressure — Mark II inclined-vertical manometers on AHU test points
Filter-blockage alarms — Photohelic Series 3000 combined gauge/switch on air-handling units
BMS-integrated pressure monitoring — Digihelic DH3 with 4–20 mA output for building management
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Dwyer Products

3G Electric supplies Dwyer hazardous location adjustable set-point air pressure switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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