Dwyer 1910-5 Compact Low Differential Pressure Switch

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Dwyer 1910-5 Compact Low Differential Pressure Switch Specification

Display
None (Mechanical Switch Output)

Outer Size
Approximately 2-1/2 Diameter (63.5 mm)

Grade
Industrial

Thread
1/8 Female NPT

Sensor Type
Diaphragm Actuated Differential Pressure Switch

Seal Material
Buna-N

Material
Die Cast Aluminum Housing

Processing Type
Factory Calibrated

Diameter
2-1/2 (63.5 mm)

Mount Type
Surface or Panel Mount

Scale Range
0.07 to 0.35 Bar (1 to 5 psi)

Accuracy
2% of Full Scale

Finishing
Corrosion-Resistant Aluminum Housing

Measure Pressure Of
Air and Compatible Gases

Accessories
Mounting Bracket, Conduit Cover

Dwyer 1910-5 Compact Low Differential Pressure Switch Trade Information

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

Main Export Market(s)
Asia

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

About Dwyer 1910-5 Compact Low Differential Pressure Switch

Dwyer 1910-5 Compact Low Differential Pressure Switch.

RANGE 1.40-5.5" W.C.

DESCRIPTION

Most popular SERIES 1900 combines advanced design and precision construction to make these switches able to perform many of the tasks of larger, costlier units. Designed for air conditioning service, they also serve many fluidics, refrigeration, oven and dryer applications. Series 1900 switches have set points from 0.07 to 20" w.c. (1.8 to 508 mm). Set point adjustment is easy with range screw located inside conduit enclosure. Internal location helps prevent tampering.

Compact size and repeatability, provides a high-value switch for many industrial and OEM applications.

Range screw protected inside enclosure provides simplifies making adjustments but prevents tampering.

MANUFACTURER	Dwyer
PART NUMBER	1910-5
SHORT DESCRIPTION	1910-5 - SPDT Compact Low Differential Pressure Switch with Conduit, Range 1.40-5.5" w.c., 1/8" FNPT, Conduit Enclosure
PRODUCT SERIES	1900 Series
NOMINAL OR PRIMARY VOLTAGE	120-277 VAC
AMPERAGE RATING	15A
SET POINT/SET POINT RANGE	1.40-5.5" w.c.
INPUT(S)	Resistive 1/8 HP at 125 VAC, 1/4 HP at 250 VAC
CONTACT	SPDT
CONNECTION	Process Connection: 1/8" FNPT; Electrical Connection: 3 Screw Type, Common, Normally Open and Normally Closed
PRESSURE RANGE	45" w.c. (11.2 kPa) Continuous; 10 psig (68.95 kPa) Surge
MAX TEMPERATURE	-30 to 180F
FREQUENCY	60 Hz
APPLICATIONS	For Air Conditioning Refrigeration Coil Icing Detection, Defrost Cycle Intiation, Clogged Filter Detection, Variable Air Volume Controller, Air and Non-Combustible, Compatible Gases
STANDARDS/APPROVALS	CE Approved, CSA, FM, UL, RoHS Complaint
ADDITIONAL PRODUCTS OR REQUIREMENTS	A-399, A-329, A-489, A-302F-A

Reliable Differential Pressure Monitoring

Designed for industrial settings, the Dwyer 1910-5 uses a diaphragm-actuated sensor to accurately detect low differential pressures. Its wide operational range and repeatability assist in critical applications such as filter monitoring, air handling systems, and process control, ensuring dependable protection against pressure variances that may impact system performance.

Easy Installation, Robust Construction

This pressure switch comes with a mounting bracket and conduit cover, supporting both surface and panel mounting. The rugged die-cast aluminum housing offers excellent corrosion resistance and environmental protection, while thoughtfully chosen wetted materials guarantee compatibility and longevity in diverse industrial surroundings.

FAQs of Dwyer 1910-5 Compact Low Differential Pressure Switch:

Q: How can I adjust the set point of the Dwyer 1910-5 pressure switch?

A: Set point adjustment is performed externally using the screw adjustment feature, allowing precise calibration within the range of 1 to 5 psi without disassembling the device.

Q: What types of environments and applications are suitable for this pressure switch?

A: The 1910-5 is built for indoor, industrial environments where low differential pressure monitoring in air or compatible gases is required, such as HVAC systems, duct static pressure, filter status, and other process applications.

Q: When should I use this switch over other types of pressure switches?

A: Choose the 1910-5 when you require accurate, repeatable, and reliable low pressure switching, especially in systems needing an SPDT mechanical output, corrosion resistance, and straightforward field adjustment.

Q: Where should the Dwyer 1910-5 be mounted for best performance?

A: It is designed for both surface and panel mounting. Proper installation near the monitored process and in accordance with the NEMA 1 enclosure rating ensures optimal operation and longevity.

Q: What maintenance or calibration is needed for this device?

A: Routine visual inspection is recommended due to its mechanical nature. The switch is factory calibrated but external adjustments can fine-tune set points as required by your process.

Q: How does the Dwyer 1910-5 benefit industrial users?

A: Users gain improved process control and system safety due to its reliable snap-action switching, robust construction, and the ability to perform quick adjustments, reducing downtime and supporting efficient maintenance.

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