Dwyer 1910-1 Compact Low Differential Pressure Switch

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Dwyer 1910-1 Compact Low Differential Pressure Switch

Price 16800 INR/ Piece

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MOQ : 2 Pieces

Dwyer 1910-1 Compact Low Differential Pressure Switch Specification

Grade
Industrial

Thread
1/8 Female NPT Pressure Connections

Seal Material
Neoprene Diaphragm

Outer Size
4-1/2 x 2-1/2 x 2-1/4 (114 x 64 x 57 mm)

Sensor Type
Diaphragm Actuated Mechanical Switch

Display
No Display

Material
Metal Housing, Snap-Acting Switch

Processing Type
Factory Calibrated

Mount Type
Surface/Duct Mount

Scale Range
0.07 to 0.7 kPa (0.01 to 0.1 psi or 0.25 to 2.8 w.c.)

Accuracy
15% of Set Point

Accessories
Mounting Bracket Included

Frequency
50/60 Hz

Response Time
Instantaneous (Mechanical Switch Activation)

Weight
0.5 lb (0.23 kg)

Set Point Adjustment
Screw Adjustment with External Knob

Contact Material
Silver

Electrical Rating
15A @ 120-480 VAC, 1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC

Repeatability
0.02" w.c. (0.005 kPa)

Enclosure Rating
NEMA 1 (General Purpose)

Temperature Range
-30 to 140F (-34 to 60C)

Switch Type
SPDT (Single-Pole Double-Throw)

Model
1910-1

Dwyer 1910-1 Compact Low Differential Pressure Switch Trade Information

Minimum Order Quantity
2 Pieces

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

Main Export Market(s)
Asia

Main Domestic Market
All India

About Dwyer 1910-1 Compact Low Differential Pressure Switch

Dwyer 1910-1 Compact Low Differential Pressure Switch

Range 0.40-1.6" 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	1910-1
SHORT DESCRIPTION	1910-1 - SPDT Compact Low Differential Pressure Switch with Conduit, Range 0.40-1.6" 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	0.40-1.6" 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

Versatile Industrial Application

Engineered for demanding environments, the Dwyer 1910-1 is ideal for monitoring low pressure differentials in steam, oil, or gas applications. With its robust enclosure and precise diaphragm-actuated mechanical switch, it is suitable for surface or duct mounting, making it a reliable choice for industrial facilities seeking efficient process control and safety monitoring.

Easy Adjustment and Installation

Adjusting the set point is effortless thanks to the external knob with screw adjustment. The included mounting bracket and compact size ensure straightforward installation in tight locations or panels. Its female NPT pressure connections and durable construction further enhance user convenience, ensuring adaptability to a wide range of systems.

Reliable Performance and Construction

Featuring a repeatability of 0.02" w.c. and 15% set point accuracy, the Dwyer 1910-1 delivers dependable switching action with minimal maintenance. The powder-coated steel enclosure, neoprene diaphragm seal, snap-acting silver contacts, and metal housing guarantee longevity and stable operation even under fluctuating industrial conditions.

FAQ's of Dwyer 1910-1 Compact Low Differential Pressure Switch:

Q: How do I adjust the pressure set point on the Dwyer 1910-1 switch?

A: The pressure set point can be adjusted using the external knob provided on the enclosure. Simply turn the screw adjustment knob to increase or decrease the set point within the scale range of 0.07 to 0.7 kPa (0.01 to 0.1 psi).

Q: What is the recommended process for installing the Dwyer 1910-1 pressure switch?

A: Mount the switch with the supplied bracket to a stable surface or duct. Connect the pressure source to the 1/8" female NPT ports and wire the switch according to your electrical requirements, following all safety standards and local codes.

Q: Where can the Dwyer 1910-1 pressure switch be used?

A: This switch is suitable for industrial applications requiring low-pressure monitoring of steam, oil, or gas. It is ideal for installation in process control systems, HVAC ducts, or equipment requiring reliable differential pressure switching.

Q: What are the electrical ratings and switch type of this model?

A: The Dwyer 1910-1 uses a Single-Pole Double-Throw (SPDT) snap-acting mechanical switch, rated for 15A at 120-480 VAC, 1/8 HP at 125 VAC, and 1/4 HP at 250 VAC.

Q: When should I use the Dwyer 1910-1 for my applications?

A: Use this device when you need accurate and repeatable low differential pressure monitoring with instantaneous mechanical response in environments ranging from -30F to 140F, across steam, oil, or gas systems.

Q: What are the main benefits of choosing this pressure switch?

A: The Dwyer 1910-1 offers reliable operation with fast mechanical switching, easy set point adjustments, robust construction, and a compact form factor, making it well-suited for critical industrial processes requiring dependable pressure difference detection.

Q: Is the Dwyer 1910-1 factory calibrated, and does it require frequent recalibration?

A: Yes, this model is factory calibrated for accuracy and typically maintains its settings over extended use, minimizing the need for frequent recalibration in most standard applications.

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