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Dwyer 1910-10 Compact Low Differential Pressure Switch, RANGE 3.0-11.75

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Dwyer 1910-10 Compact Low Differential Pressure Switch, RANGE 3.0-11.75" W.C.

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Dwyer 1910-10 Compact Low Differential Pressure Switch, RANGE 3.0-11.75" W.C. Specification

Working Temperature
-40 to 180F (-40 to 82C)

Function
Pressure switch activates at adjustable set-point

Max Pressure
psi, 35 mbar

Thread size
NPT

Mechanical Life
Over 1,000,000 cycles

Product Type
Compact Low Differential Pressure Switch

Max. Current
15 A resistive @ 125/250/480 V AC

Max. Voltage
480 V AC

Protection Class
IP54

Pressure Range
3.0 to 11.75 W.C. (Water Column)

Application
Monitoring and controlling air and non-combustible gases in ducts, fan, and blower applications

Output Signal
SPDT (Single-Pole Double-Throw) switch contact

Size
Compact design, dimensions approx. 2.63 x 2.63 x 1.25 (66.8 mm x 66.8 mm x 31.8 mm)

Color
Grey

Weight
Approx. 180 g (based on similar model)

Enclosure Material
Die-cast aluminum

Switch Type
Diaphragm actuated, SPDT

Electrical Connection
Screw terminal

Set Point Adjustment
External adjustment screw

Repeatability
0.1" W.C.

Series
1910-10

Process Connection
Two " NPT female ports

Contact Material
Silver alloy contacts

Suitable Media
Air and non-combustible gases

Response Time
Fast acting switch

Mounting Orientation
Vertically, with pressure connections pointing downwards

Dwyer 1910-10 Compact Low Differential Pressure Switch, RANGE 3.0-11.75" W.C. Trade Information

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

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

Main Domestic Market
All India

About Dwyer 1910-10 Compact Low Differential Pressure Switch, RANGE 3.0-11.75" W.C.

Dwyer 1910-10 Compact Low Differential Pressure Switch.

RANGE 3.0-11.75" 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	1910-10
SHORT DESCRIPTION	1910-10 - SPDT Compact Low Differential Pressure Switch with Conduit, Range 3.0-11.75" 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	3.0-11.75" 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 and Adjustable Pressure Switching

The Dwyer 1910-10 allows external set point adjustment for efficient on-site configuration. With a repeatability of 0.1" W.C., it ensures consistent performance. The diaphragm design and silver alloy contacts provide fast, accurate switching while supporting a wide current range, making it suitable for demanding air and gas monitoring applications.

Compact and Robust Design for Versatile Installations

The devices compact size ensures easy integration into confined spaces. Its durable die-cast aluminum enclosure offers lasting durability and protection (IP54), while the two " NPT female ports facilitate straightforward process connection. Mounting in a vertical orientation with connections facing downward optimizes installation for ductwork and machinery interfaces.

FAQs of Dwyer 1910-10 Compact Low Differential Pressure Switch, RANGE 3.0-11.75" W.C.:

Q: How do I adjust the set point on the Dwyer 1910-10 pressure switch?

A: Set point adjustment is easily accomplished using the external adjustment screw located on the switch housing. This allows you to fine-tune the activation point within the specified range of 3.0 to 11.75" W.C. without disassembling the unit.

Q: What kind of applications is this pressure switch suitable for?

A: The Dwyer 1910-10 is ideal for monitoring and controlling air and non-combustible gases in ventilation ducts, fan systems, and blower applications. Its fast response and high repeatability make it reliable for critical air/gas flow monitoring and control.

Q: When should the pressure connections be oriented downwards?

A: For optimal performance and accurate switching, the pressure switch must be installed vertically with the pressure connections pointing downward, as specified by the manufacturer.

Q: Where can this switch be installed and used in India?

A: As a robust and compact device, the Dwyer 1910-10 can be installed in various commercial and industrial HVAC systems, process plants, and any applications requiring air or non-combustible gas monitoring. It is distributed in India through manufacturers, suppliers, traders, and wholesalers.

Q: What process media is compatible with this switch?

A: This pressure switch is designed specifically for use with air and non-combustible gases. Using other media may damage the sensor or affect accuracy.

Q: What are the primary benefits of using the Dwyer 1910-10 pressure switch?

A: Key benefits include its compact design, rapid response, wide pressure range, durable aluminum housing, reliable SPDT output, and simple external set point adjustment. Its mechanical life exceeds one million cycles, minimizing maintenance and replacement frequency.

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