Series 1900 Compact Low Differential Pressure Switches Wholesaler

1900 Dwyer Series Compact Low Differential Pressure Switches

 
 
Minimum Order Quantity1 Number
Model Number1900
Frequency Range0.07 to 20″ w.c.
Weight1lb. 4.5 oz. (581 g)
BrandDwyer USA
Electrical Rating15 A @ 120-480 VAC (~), 60 Hz
Usage/ApplicationAir Conditioning Refrigeration Coil Icing Detection; Defrost Cycle Initiation
Agency ApprovalsCE,UL,CSA,FM
Pollution Degree2
Process Connections1/8″ female NPT
Repeatability+-3%


1900 Dwyer Series Compact Low Differential Pressure Switches For air and non-combustible compatible gases, 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 and prevents tampering. UL, CE and CSA listed, and FM approved. Dwyer 1900 Series Offers

Features:

  • Oversized check valves for smooth controlled operation
  • Mash proof vent valve (no needle valve)
  • Patented non-oil based lubricants used on all moving parts
  • Dual O-rings on all pistons to ensure zero leakage


Applications:

  • Air conditioning refrigeration coil icing detection; defrost cycle initiation
  • Clogged filter detection
  • Variable air volume controller

1900-00 Dwyer Series Compact Low Differential Pressure Switch Range 0.07-0.15

 
 
Minimum Order Quantity1 Number
Model Number1900-00
BrandDwyer USA
Frequency Range0.07-0.15″ W.C
Usage/ApplicationVariable Air Volume Controller,Clogged Filter Detection
Product Weight1lb. 4.5 oz. (581 g)
Electrical Rating15 A @ 120-480 VAC (~),60 Hz
Agency ApprovalsCE,UL,CSA,FM
Pollution Degree2
Process Connections1/8″ female NPT
Repeatability+-3%

1900-00 Dwyer Series Compact Low Differential Pressure Switch Range 0.07-0.15″ 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.
 

1900-0 Dwyer Series Compact Low Differential Pressure Switch Range 0.15-0.55

 
 
Minimum Order Quantity1 Number
Model Number1900-0
BrandDwyer USA
Frequency Range0.15-0.55″ W.C
Usage/ApplicationAir Conditioning Refrigeration Coil Icing Detection; Defrost Cycle Initiation
Power/Voltage120-277 VAC
Pollution Degree2
Weight1lb. 4.5 oz. (581 g)
Agency ApprovalsCE,UL,CSA,FM
Process Connections1/8″ female NPT
Repeatability+-3%
Altitude Limit6560 ft (2000 m) max
Humidity Limit80% RH (non-condensing)

1900-0 Dwyer Series Compact Low Differential Pressure Switch Range 0.15-0.55 The Dwyer 1910-0 Compact Low Differential Pressure Switch 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. For air and non-combustible compatible gases, 19100 switches have set points from 0.15 – 0.55″ w.c.. Set point adjustment is easy with range screw located inside conduit enclosure. Internal location helps prevent tampering. UL, CE and CSA listed, and FM approved.
  • Flame-proof ATEX enclosure protects the device in hazardous areas
  • Compact size and repeatability, provides a high-value switch for many industrial and OEM applications
  • Range screw protected inside switch enclosure prevents tampering
  • No power to operate DPDT switch means no additional wiring or conduit reduces material and installation labor costs
  • Easy access for modifying set point simplifies adjustment
  • Both control contacts activate at the same time eliminating system issues where lead switch activities preventing the lagging switch from sending a signal
 

1900-1 Dwyer Series Compact Low Differential Pressure Switch Range 0.40-1.6″ W.C

 
 
Minimum Order Quantity1 Number
BrandDwyer USA
Media TypeGas
IP Rating0.40-1.6″ W.C
Model Number1900-1
Power/Voltage120-277 VAC
Weight1lb. 4.5 oz. (581 g)
Repeatability+-3%

1900-1 Dwyer Series Compact Low Differential Pressure Switch Range 0.40-1.6″ W.C 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.
 

1900-5 Dwyer Series Compact Low Differential Pressure Switch Range 1.40-5.5

 
 
Minimum Order Quantity1 Number
Model Number1900-5
BrandDwyer USA
Frequency Range1.40-5.5″ W.C
Usage/ApplicationAir Conditioning Refrigeration Coil Icing Detection; Defrost Cycle Initiation
Power/Voltage120-277 VAC
Product Weight1lb. 4.5 oz. (581 g)
Repeatability+-3%
Process Connections1/8″ female NPT
Pollution Degree2

1900-5 Dwyer Series Compact Low Differential Pressure Switch Range 1.40-5.5″ 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.
 

1900-10 Dwyer Series Compact Low Differential Pressure Switch Range 3.0-11.75

 
 
Minimum Order Quantity1 Number
Model Number1900-10
BrandDwyer USA
Frequency Range3.0-11.75″ W.C
Usage/ApplicationAir Conditioning Refrigeration Coil Icing Detection; Defrost Cycle Initiation
Product Weight1lb. 4.5 oz. (581 g)
Agency ApprovalsCE,UL,CSA,FM
Pollution Degree2
Process Connections1/8″ female NPT

1900-10 Dwyer Series Compact Low Differential Pressure Switch Range 3.0-11.75 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.
 

1920-10 Dwyer Series Compact Low Differential Pressure Switch Range 4.0-20.0

 
 
Minimum Order Quantity1 Number
Model Number1920-10
BrandDwyer USA
Frequency Range4.0-20.0″ W.C
Power120-277 VAC
Usage/ApplicationAir Conditioning Refrigeration Coil Icing Detection; Defrost Cycle Initiation
Product Weight1lb. 4.5 oz. (581 g)
Process Connections1/8″ female NPT
Repeatability+-3%
Agency ApprovalsCE,UL,CSA,FM

1920-10 Dwyer Series Compact Low Differential Pressure Switch Range 4.0-20.0 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.
 

1910-0 Dwyer Series Compact Low Differential Pressure Switch Range 0.15-0.55

 
 
Minimum Order Quantity1 Number
Model Number1910-0
BrandDwyer USA
Frequency Range0.15-0.55″ W.C
Power120-277 VAC
Usage/ApplicationAir Conditioning Refrigeration Coil Icing Detection; Defrost Cycle Initiation
Weight1lb. 4.5 oz. (581 g)
Agency ApprovalsCE,UL,CSA,FM
Pollution Degree2
Process Connections1/8″ female NPT
Repeatability+-3%

1910-0 Dwyer Series Compact Low Differential Pressure Switch Range 0.15-0.55 The Dwyer 1910-0 Compact Low Differential Pressure Switch 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. For air and non-combustible compatible gases, 19100 switches have set points from 0.15 – 0.55″ w.c.. Set point adjustment is easy with range screw located inside conduit enclosure. Internal location helps prevent tampering. UL, CE and CSA listed, and FM approved.
  • Flame-proof ATEX enclosure protects the device in hazardous areas
  • Compact size and repeatability, provides a high-value switch for many industrial and OEM applications
  • Range screw protected inside switch enclosure prevents tampering
  • No power to operate DPDT switch means no additional wiring or conduit reduces material and installation labor costs
  • Easy access for modifying set point simplifies adjustment
  • Both control contacts activate at the same time eliminating system issues where lead switch activities preventing the lagging switch from sending a signal
 

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