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Compact Low Differential Pressure Switches - Series 1900
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Set Points from 0.07" to 20" W.C. Repetitive Accuracy within 3%
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View large image
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Literature: |
Dwyer Category 1900 Series |
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Size Info: |
Weight: 1lb, 4.5 oz (581 g). |
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Options: |
SPECIAL MODELS AND ACCESSORIES
MANUAL RESET MODEL 1900 MR includes special snap switch which latches on pressure increase above the setpoint. Switch must be manually
reset after pressure drops below the setpoint. To order, change base model to 1900 and add MR suffix after range number. Example: 1900-10-MR.
Available on -1, -5,-10 or -20 ranges only. Option is not UL, CSA or FM listed Note: Manual Reset (MR) Option for use only in single positive pressure applications.
A-399 Duct Pressure Monitor Kit — For use with standard or manual reset model switches. Includes mounting flange, tubing and adapters
A-329 Street Ell — Brass adapter for applications requiring right angle connections. Two required for differential pressures
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Features: |
Series 1910 pressure switch. All pressure and electrical connections and set point adjustments are on one side for easy installation.
Series 1910 switch with conduit enclosure off. Shows electric switch and set point adjustment screw.
The Dwyer-engineered force-motion amplifier increases the leverage of diaphragm movement and results in a switch with excellent sensitivity and repeatability.
SPECIFICATIONS
Service: Air and non-combustible, compatible gases.
Wetted Materials: Consult Factory.
Temperature Limits: -30 to 180°F (-34 to 82.2°C).
Pressure Limits: 45˝ w.c. (11.2 kPa) continuous, 10 psig (68.95 kPa) surge.
Switch Type: Single-pole doublethrow (SPDT).
Repeatability: ±3%.
Electrical Rating: 15 A @ 120-480 VAC, 60 Hz. Resistive 1/8 HP@125 VAC, 1/4 HP @ 250 VAC, 60
Hz. Derate to 10 A for operation at high cycle rates.
Electrical Connections: 3 screw type, common, normally open and normally closed.
Process Connections: 1/8˝ female NPT.
Mounting Orientation: Diaphragm in vertical position. Consult factory for other position orientations.
Set Point Adjustment: Screw type inside conduit enclosure.
Weight: 1lb, 4.5 oz (581 g).
Agency Approvals: CE , UL, CSA, FM. |
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