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1910-20 | Differential pressure switch | range 4.0-20.0" w.c. | approx. deadband @ min. set point 0.40 | approx. deadband @ max. set point 0.50. | Dwyer Instruments

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Dwyer Instruments 1910-20 Documents

Instruction Manual Series 1900 Catalog Page More Info

Overview

Details for 1910-20

Dwyer Instruments NCO-1910-20 Differential # Switch: 4/20"4/20" Differential # SwitchThe Dwyer Instruments NCO-1910-20 is a highly reliable and accurate differential pressure switch designed to measure and monitor the differential pressure of various gases and liquids. With its versatile design, this switch can be used in a wide range of industrial applications. Key Features:- Precision Measurement: The Dwyer Instruments NCO-1910-20 Differential # Switch is engineered to provide highly precise differential pressure measurements, ensuring accurate monitoring of critical parameters.- Compact and Robust: Its compact and robust construction makes it suitable for applications where space is limited or where harsh conditions exist.- Versatile Applications: This versatile switch can be utilized in various industrial sectors, including HVAC, chemical processing, and manufacturing.- Adjustable Set Points: The adjustable set points allow for customization to meet specific application requirements.- Durable Construction: Built with high-quality materials, the NCO-1910-20 Differential # Switch is designed for long-lasting performance in demanding conditions.- Tamper-Proof Adjustment: The tamper-proof adjustment feature prevents unauthorized personnel from altering the set points, ensuring integrity and accuracy. Technical Specifications:- Pressure Range: -14.7 to 12 PSI (-1 to 850 mbar).- Accuracy: Â±2% FS.- Enclosure: NEMA 4.- Connection: 1/8" NPT female. With its precise measurement capabilities, versatility, and durability, the Dwyer Instruments NCO-1910-20 Differential # Switch is an ideal choice for industrial engineers and maintenance professionals seeking reliable differential pressure monitoring solutions. Trust our HVAC supply store for the best prices and fast shipping on all your industrial products.

Series 1900 Compact Low Differential Pressure Switches

Set Points from 0.07" to 20" w.c., Repetitive Accuracy within 3%

Our most popular Series 1900 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, 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. UL, CE and CSA listed, and FM approved.

CAUTION: FOR USE ONLY WITH AIR OR COMPATIBLE GASES.

Please see Series AT-1900 for ATEX approved.

California Residents: Click Here for Proposition 65 WARNING.

Product Applications

Air conditioning refrigeration coil icing detection; defrost cycle intiation.
Clogged filter detection.
Variable air volume controller.

Compact size and repeatability, provides a high-value switch for many industrial and OEM applications
Wide range of models from 0.07 in w.c. to 20 in w.c. can meet exacting OEM specifications for a low pressure switch
Range screw protected inside enclosure provides simplifies making adjustments but prevents tampering

Specifications

Series: 1900 Compact Low Differential Pressure Switches
Category/Type: Pressure
Type: Differential Pressure
Series: 1900 Compact Low Differential Pressure Switches
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 double-throw (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: 1 lb 4.5 oz (581 g).
Agency Approvals: CE; CSA; FM; UL. Optional EXPL Explosion-proof enclosure does not possess any agency approvals.