1900-10-MR | Dwyer Instruments | Pressure Components
Differential Pressure Switch, Range 3.0-11.75 W.C., Approx. Deadband @ Min. Set Point 0.40, Approx. Deadband @ Max. Set Point 0.40, With Manual Reset Option
Brand:Dwyer Instruments
MPN:1900-10-MR
SKU:1900-10-MR
product specifications
Contact Rating
15 A
Contact Type
SPDT
Accuracy
3%
Approvals
CE, CSA, FM, UL
Connection
NPT
Direction
Uni-Directional
Housing Material
Metallic
Measurement
Inches of Water Column
Media Compatibility
Liquid, Gas
Override
Manual
Type
Adjustable
Power Required
Switch
Set Point Range
3 - 11.75 in
Connection Size
1/8 in
Supply Voltage (Nominal)
480 VAC
product series specifications
Supply Voltage: Not required
Contact Type: SPDT
Contact Rating: 15A resistive, 120-480 VAC, 60 Hz. 1/8 HP @125 VAC,
1/4 HP @ 250 VAC, 60 Hz
Setpoint (SP): Screw adjustment in 3 ranges (See ordering)
Differential Progressive: by SP from 0.04" to 0.5" WC (See ordering)
Repeatability: ± 3% over full range
Reset Manual: button reset
Visual Indication: None
Sensor Type: Silicone Diaphragm
Operating Pressure Range: Range dependant (see ordering)
Overpressure: (Burst) 276" WC (68.9 kPa)
Max Operating Pressure: (Proof) 45" WC (11.2kPa)
Operating Temperature: -30° to 180°F (-34° to 82°C)
Operating Humidity: 10 to 90% Non-condensing
Wetted Parts: Silicone
Media Compatibility: Inert dry air
Process Connection: 1/8 FNPT
Wiring Terminations: 3 Screw terminals, 22-18 AWG
Mounting Vertical: with 2-hole bracket 0.187 (0.5cm)
Enclosure Rating: Zink-plated steel, NEMA 1
Dimensions: 3.5" diameter x 2.34" depth, (8.89 x 5.9 cm)
Weight: 1.3 lbs (0.59 kg)
Approvals: CE, CSA, FM, UL
Warranty: 1 year
more information & related documents
Series Description
The Dwyer Model 1900-5-MR manual reset pressure switch is designed to monitor duct static and shut down the blower when excess pressure occurs. The switch must be manually reset before the system can start again. Switch contacts are SPDT with solder-type connections. The Model 1900-5-MR measures static pressure only, not differential pressure. Order the A-399 duct pressure kit separately.
Kele Description
DIFF PRESS SW, ADJUST, 3.00-11.75" WC
Manufacturer
Dwyer Instruments
Related Documents
1900 Series Datasheet 
