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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

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

Outer Size
Approximately 85 x 57 x 42 mm

Sensor Type
Differential Pressure Switch

Grade
Industrial Grade

Seal Material
Silicone

Thread
M16

Material
Polycarbonate, Metal Fittings

Processing Type
Injection Molded

Mount Type
Panel or Surface Mount

Scale Range
0.4 to 2.0 mbar

Accuracy
15% of set point

Finishing
Polycarbonate Housing

Measure Pressure Of
Air and Non-combustible Gases

Accessories
Mounting Screws, Instruction Manual

Switch Point Repeatability
0.1 mbar

Adjustment Type
Screw Adjustable

Process Connection
3/16" OD tube

Medium Temperature Range
-20C to +85C

Protection Class
IP54

Electrical Rating
Max 1.5A @ 250VAC / 50Hz

Contact Type
SPDT Snap Switch

Maximum Pressure
50 mbar

Weight
Approx. 120 g

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

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

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

Main Domestic Market
All India

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

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

Versatile Pressure Monitoring

Engineered for accuracy and flexibility, the Dwyer ADPS-04-2-N is ideal for monitoring differential pressure in HVAC, filter monitoring, and airflow systems. Its wide medium temperature range, compact size, and adaptability make it suitable for varied industrial environments. The polycarbonate construction ensures robust performance even in demanding conditions.

Simple Screw Adjustment

Setting the switch point is effortless with the screw-adjustable mechanism. This feature allows precise calibration within the 0.4-2.0 mbar range, enabling tailored control for specific industrial needs. The included instruction manual and mounting accessories make the installation and adjustment process quick and user-friendly.

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

Q: How do I install the Dwyer ADPS-04-2-N differential pressure switch?

A: Install the switch by mounting it on a panel or surface using the supplied mounting screws. Connect the process lines using the 3/16" OD tube connectors and make electrical connections as per the included instruction manual, ensuring compliance with the 1.5A @ 250VAC electrical rating.

Q: What applications can the ADPS-04-2-N be used for?

A: This switch is primarily used to measure the differential pressure of air and non-combustible gases in HVAC, filtration systems, and industrial process monitoring where precise low-pressure measurement is required.

Q: When is adjustment of the set point recommended?

A: Adjustment should be done during initial installation or change in operating conditions. Use the screw mechanism to set the desired trip point within the 0.4-2.0 mbar scale, ensuring optimal system performance and safety.

Q: Where can this differential pressure switch be installed?

A: The ADPS-04-2-N is suitable for installation in indoor industrial environments across India. It can be panel mounted or surface mounted in locations where IP54 protection class is adequate for the application.

Q: What is the process for adjusting the switch point?

A: To adjust, access the control screw and turn it until the desired set point within the 0.4-2.0 mbar range is achieved. Ensure calibration accuracy by referencing the scale and following the provided instructions in the manual for optimal results.

Q: How does using this pressure switch benefit industrial operations?

A: It provides reliable monitoring and control of low differential pressures, enhancing system efficiency and safety. The robust build and ease of installation save time, while the high repeatability ensures consistent performance over time.

Q: What maintenance is required for the ADPS-04-2-N?

A: Routine maintenance involves checking for secure connections, inspecting for leaks or debris in process lines, and verifying that the set point remains within specification for ongoing accuracy.

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