Dwyer Differential Pressure Switch

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Dwyer Differential Pressure Switch Specification

Sensor Type
Differential Pressure Sensor

Seal Material
Buna-N

Thread
1/4 NPT female

Outer Size
128 mm x 83 mm x 59 mm

Grade
Industrial

Display
Analog

Material
Die-cast aluminum housing

Dial Material
Acrylic

Pointer Material
Aluminum

Processing Type
Die-cast

Diameter
Approx. 83 mm

Glass Size
Standard acrylic window

Mount Type
Surface Mount

Scale Range
0-0.5 to 0-250 psi

Accuracy
2% of full scale

Finishing
Powder coated

Measure Pressure Of
Air and compatible gases

Accessories
Mounting screws, Instruction manual

Enclosure Rating
IP54

Set Point Adjustment
External screw

Operating Temperature
-18°C to 60°C

Switch Type
SPDT snap action

Contacts
Silver alloy

Response Time
Instantaneous

Application
HVAC systems, Process control, Filter monitoring

Repeatability
±1% of setpoint

Electrical Rating
15A @ 125/250/480VAC

Dwyer Differential Pressure Switch Trade Information

Payment Terms
Cash on Delivery (COD), Cash Against Delivery (CAD), Cash in Advance (CID), Cheque, Cash Advance (CA)

Main Export Market(s)
Australia, Eastern Europe, Middle East, Western Europe, Africa, Central America, South America, Asia, North America

Main Domestic Market
All India

About Dwyer Differential Pressure Switch

Dwyer Differential Pressure Switch

Our firm offers a high-quality range of Dwyer Differential Pressure Switch.

Features:

HVAC Differential Pressure Switch with Dual scale filed adjustable Set Point Knob.
The compact size, adjustment knob and low cost makes ADPS/EDPS the perfect choice for HVAC applications.

Applications:

Monitoring air filters and ventilators
Overheating protection for fan heaters
Monitoring industrial cooling air circuits
Monitoring flow in duct ventilation
Controlling air and fire protection dampers

Precise Control for Demanding Applications

Dwyers Differential Pressure Switch stands out in industrial environments, seamlessly integrating into HVAC systems and process control setups. With high repeatability and quick response, the device ensures accuracy and stability even under fluctuating conditions. An external adjustment screw allows simple on-site tuning, while the analog display gives immediate feedback. Built from die-cast aluminum and finished with powder coating, it withstands tough conditions.

Reliable and Intuitive Operation

This switch supports a wide scale range up to 250 psi, measuring the pressure of air and compatible gases. The SPDT snap action mechanism operates instantaneously and ensures dependable switching. Featuring standard 1/4 NPT female threads for easy installation, the unit is complemented by a clear acrylic dial window for enhanced visibility. Maintenance is straightforward, thanks to accessible external controls and clear instruction manuals.

FAQs of Dwyer Differential Pressure Switch:

Q: How do I adjust the set point on the Dwyer Differential Pressure Switch?

A: The set point can be adjusted externally using a screw located on the housing. This design allows you to fine-tune the switch without disassembling the unit, making on-site modifications simple and efficient.

Q: What environments and applications is this pressure switch best suited for?

A: This device is ideal for industrial settings, specifically in HVAC systems, process control, and filter monitoring where differential pressure measurement for air or compatible gases is required.

Q: When does the switch activate, and how fast is its response time?

A: The switch operates instantaneously upon reaching the set pressure point, providing swift and reliable switching for critical process and control applications.

Q: Where should I mount the pressure switch for optimal performance?

A: It should be surface-mounted in locations where it can easily access the monitored pressure source. The units compact size and 1/4 NPT female threads facilitate flexible installation in various configurations.

Q: What is the benefit of having an SPDT snap action with silver alloy contacts?

A: The SPDT snap action mechanism ensures a distinct and reliable switch transition, reducing contact wear. Silver alloy contacts offer excellent electrical conductivity, supporting high load ratings and prolonging the devices operational life.

Q: How does the enclosure rating of IP54 benefit the device?

A: An IP54 rating protects the switch from limited dust ingress and water splashes, enhancing its durability and suitability for industrial environments where exposure to contaminants is possible.

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