Dwyer ADPS-04-2-N Adjustable Differential Pressure Switch

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Dwyer ADPS-04-2-N Adjustable Differential Pressure Switch

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Dwyer ADPS-04-2-N Adjustable Differential Pressure Switch Specification

Sensor Type
Adjustable Differential Pressure Switch

Display
No Display (Switch Type)

Seal Material
Silicone

Outer Size
Approx. 4.85 x 3.85 x 2.3 inches (123 x 98 x 59 mm)

Thread
1/8 NPT Female

Grade
Industrial

Material
Polycarbonate Body

Processing Type
Injection Molding

Mount Type
Surface Mount

Scale Range
0.4 to 2.0 in w.c. (Water Column)

Accuracy
15% F.S.

Finishing
Plastic Housing

Measure Pressure Of
Air & compatible non-combustible gases

Accessories
Mounting screws, Installation manual

Contact Type
SPDT (Single Pole Double Throw)

Model
ADPS-04-2-N

Process Connection
Two barbed pressure ports for 1/4" ID tubing

Enclosure Rating
IP54 (with cover on)

Weight
Approximately 150 grams

Electrical Rating
1.5A (0.4A) @ 250 VAC

Repeatability
0.05 in w.c.

Approval
RoHS Compliant, CE Marked

Set Point Adjustment
External Knob (Screw adjustment with scale)

Deadband
Approx. 0.09 in w.c. at minimum set point

Operating Temperature Range
-20C to 85C (-4F to 185F)

Dwyer ADPS-04-2-N Adjustable Differential Pressure Switch Trade Information

Main Export Market(s)
Asia

Main Domestic Market
Dadra and Nagar Haveli, South India, Central India, North India, East India, Andaman and Nicobar Islands, Assam, Arunachal Pradesh, Bihar, Chhattisgarh, Chandigarh, Delhi, Daman and Diu, Gujarat, Goa, Haryana, Jharkhand, Karnataka, Kerala, Madhya Pradesh, Maharashtra, Mizoram, Meghalaya, Manipur, Nagaland, Odisha, Punjab, Pondicherry, Rajasthan, Sikkim, Tamil Nadu, Telangana, Uttar Pradesh, West Bengal, Himachal Pradesh, Jammu and Kashmir, Tripura, Uttarakhand, Lakshadweep, Andhra Pradesh, West India, All India

About Dwyer ADPS-04-2-N Adjustable Differential Pressure Switch

Dwyer ADPS-04-2-N Adjustable Differential Pressure Switch

Product Details:

Model No.:ADPS-04-2N CA (18)
Dwyer ADPS-04-2-N Adjustable Differential Pressure Switch
Adjustable differential pressure switch, set point range 0.12 to 1.60" w.c., M20 connection.Dwyer ADPS Series Offers

Features

Available with settings from 0.08" w.c. (20 Pa) up to 16" w.c. (4000 Pa)
The silicone diaphragm and PA 6.6 body make the series ADPS ideal for use with air and other noncombustible gases
The compact size, adjustment knob and low cost make the ADPS the perfect choice for HVAC applications

Specifications

Service: Air and non-combustible, compatible gases
Temperature Limits: Process and ambient temperature from -4 to 185°F (-20 to 85°C)
Pressure Limits: Max. Operating Pressure: 40" w.c. (10 kPa) for all pressure ranges
Switch Type: Single-pole double-throw (SPDT)
Electrical Rating: Max., 1.5A/250 VAC, max. switching rate: 6 cycles/min.; Gold Contact Option: 0.4 A/ 250 VAC
Electrical Connections: Push-on screw terminals. M20x1.5 with cable strain relief or optional 1/2" NPT connection
Process Connections: 5/16" (7.94 mm) outside diameter tubing, 1/4" (6.0 mm) inside diameter tubing
Enclosure Rating: NEMA 13, IP54
Mounting Orientation: Vertically, with pressure connections pointing downwards
Mechanical Working Life: Over 106 switching operations
Weight: 5.6 oz (160 g)

Applications

Monitoring air filters and ventilators
Monitoring industrial cooling-air circuits
Overheating protection for fan heaters
Monitoring flows in ventilation ducts
Controlling air and fire-protection dampers
Frost protection for heat exchanges

Precise and Reliable Differential Pressure Monitoring

Designed for industrial applications, this pressure switch ensures accurate sensing with a repeatability of 0.05 in w.c., making it ideal for HVAC systems, filter monitoring, and clean room pressure control. The external adjustment knob enables simple and user-friendly set-point configuration without disassembly.

Robust Construction for Demanding Environments

Constructed using injection-molded polycarbonate and sealed with silicone, the ADPS-04-2-N is not only durable but also resistant to harsh industrial conditions. Its IP54 enclosure protects against dust and splashes, guaranteeing reliable performance indoors.

FAQ's of Dwyer ADPS-04-2-N Adjustable Differential Pressure Switch:

Q: How do I adjust the set point on the ADPS-04-2-N pressure switch?

A: To adjust the set point, use the external knob located on the switch's housing. The adjustment is calibrated with a visible scale for convenience, requiring no tools or disassembly.

Q: What types of media can the ADPS-04-2-N measure pressure for?

A: This differential pressure switch is designed for air and compatible non-combustible gases. It should not be used with liquids or hazardous gases.

Q: When should I consider using this pressure switch in my application?

A: Use the ADPS-04-2-N for applications where monitoring and controlling low differential pressures is required, such as filter status in HVAC systems, cleanroom pressure control, or airflow monitoring.

Q: Where should the ADPS-04-2-N be mounted for optimal performance?

A: The device is designed for surface mounting using the included screws. Ensure it's installed in a location consistent with its IP54 rating, protected from potential water jets or heavy dust.

Q: What process connections are available on this model?

A: It comes with two barbed ports for 1/4-inch inner diameter tubing and a 1/8 NPT female thread, allowing for flexible installation and reliable pressure measurement.

Q: What are the main benefits of using the ADPS-04-2-N pressure switch?

A: Key benefits include user-friendly external set point adjustment, reliable repeatability, robust housing for industrial environments, and safe operation with RoHS and CE certifications.