1823-20 | Dwyer Instruments | Pressure Components
Differential Pressure Switch, Range 3-22 W.C., Approx. Deadband @ Min. Set Point 0.35, Approx. Deadband @ Max. Set Point 0.70.
Brand:Dwyer Instruments
MPN:1823-20
SKU:1823-20
List Price:
$259.00
Today's Price:
$134.68
Log in for customized pricingproduct specifications
Contact Rating
15 A
Contact Type
SPDT
Accuracy
2%
Approvals
CE, CSA, FM, UL
Connection
NPT
Direction
Uni-Directional
Housing Material
Metallic
Measurement
Inches of Water Column
Media Compatibility
Liquid/Gas
Range
±50 in WC
Type
Adjustable
Power Required
Switch
Set Point Range
3 - 22 in
Connection Size
1/8 in
Supply Voltage (Nominal)
480 VAC
product series specifications
Supply Voltage: Not required
Contact Type: Snap acting
1823 SPDT:
1820-5MR SPDT: Mechanically latched w/Manual reset
Contact Rating: 15A Resistive @ 120-480 VAC
1/8 HP @ 125 VAC, 1/4 HP @ 250 VAC
Setpoint (SP): Selectable w/slotted screw (See ordering)
1820-5MR: 0.15 to 5" WC
1823-1: 0.3 to 1" WC
1823-2: 0.5 to 2" WC
1823-5: 0.15 to 5" WC
Differential Progressive: by setpoint
1820-5MR: Manual reset
1823-1: 0.08" WC, (.02kPa)
1823-2: 0.1" to .12" WC, (.025 to .03kPa)
1823-5: 0.5" to 1.2" WC ,(.124 to .324kPa)
Repeatability: ±2% FS
Reset: Automatic reset by differential
Visual Indication: None
Sensor Type: Diaphragm (Vertically mounted)
Operating Pressure Range: 0 to 5" WC (See ordering)
Overpressure (Burst): 10 PSIG (69kPa)
Max Operating Pressure (Proof): 85.0" WC (21kPa)
Operating Temperature: -30 to 180°F (-34 to 82°C)
Operating Humidity: Not Specified
Wetted Parts: Not Specified
Media Compatibility: Inert dry air
Process Connection: Two (Hi & LO), 1/8" FNPT
Wiring Terminations: 3 slotted screws inside cover
Mounting: 1/2" MNPT or 1/8 FNPT process connections:
Vertical diaphragm orientation
Enclosure Rating: Steel, NEMA 1, & NEMA 4 versions
Dimensions: 3.84"W x 4"H x 3.6"D, (9.8 x 10.1 x 9.1 cm)
Cutout Size: Not Applicable (Do not show spec)
Weight: 1.3 lb (0.6 kg)
Approvals: CE, CSA, FM
Warranty: 1 year
product series features
- Small size and low price
- Set point adjustment inside the mounting stud permits mounting switch on one side of a wall or panel
- Adjustment easily accessible on the opposite side
- UL and CSA listed, and FM approved
more information & related documents
Series Description
Essential for industrial environments, the Dwyer 1800 Series low differential pressure switch combines small size and low price with 2% repeatability for enough accuracy for all but the most demanding applications. Set point adjustment inside the mounting stud permits mounting switch on one side of a wall or panel with adjustment easily accessible on the opposite side. UL and CSA listed, and FM approved.
Kele Description
DIFF PRESS SW, ADJUST, 3.00-22.00" WC
Manufacturer
Dwyer Instruments
Related Documents
1800 Series Dwyer Installation 
