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Brand: Dwyer InstrumentsSKU: 1950-0-2F

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1950-0-2F | Differential pressure switch | range .15-.50" w.c. | approx. deadband @ min. set point 0.10 | approx. deadband @ max. set point 0.15. | Dwyer Instruments

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Documents and manuals

Dwyer Instruments 1950-0-2F Documents

Instruction Manual Series 1950 Catalog Page 1950 More Info

Overview

Details for 1950-0-2F

Dwyer Instruments NCO-1950 Differential Pressure Switch: The XPrf Advantage for Precise Pressure ControlThe Dwyer Instruments NCO-1950 Differential Pressure Switch is a high-precision pressure control solution designed for demanding industrial applications. With its advanced XPrf technology, this switch delivers exceptional accuracy, reliability, and versatility, making it an ideal choice for a wide range of pressure monitoring and control tasks. [Technical Specifications] â€¢ Pressure Range: 0.15 to 0.5" w.c. â€¢ Repeatability: Â±0.5% of set point â€¢ Accuracy: Â±1.0% of set point â€¢ Electrical Rating: 10A at 120/240 VAC â€¢ Differential Pressure Switch Type: Single-pole, double-throw (SPDT) snap-action switch â€¢ Medium Compatibility: Compatible with air, natural gas, and non-corrosive gases [Applications] The NCO-1950 is extensively used in various industrial settings, including: â€¢ HVAC systems â€¢ Cleanroom applications â€¢ Pneumatic conveying systems â€¢ Biomedical equipment â€¢ Process control systems [Benefits] â€¢ Enhanced accuracy and repeatability ensure precise pressure control â€¢ Rugged construction and NEMA 4 enclosure provide durability in harsh environments â€¢ Multiple pressure ranges and adjustable set point cater to diverse applications â€¢ UL/CSA approval guarantees safety and reliability our HVAC supply store is your trusted distributor for all your industrial equipment needs. Contact us today to learn more about the Dwyer Instruments NCO-1950 Differential Pressure Switch and how it can enhance your pressure control applications.

Series 1950 Explosion-proof Differential Pressure Switch

Compact, Low Cost, Explosion-proof and Weatherproof

Series 1950 Explosion-Proof Differential Pressure Switch combines the best features of the popular Dwyer® Series 1900 Pressure Switch with an integral explosion-proof and weatherproof housing, making it an exceptional value for either application. It is CE, UL and CSA listed, FM approved for use in Class I, Div 1, Groups C and D, Class II Groups E, F, and G and Class III hazardous atmospheres (NEMA 7 & 9), Raintight NEMA 3 (IP54). Weatherproof features include a drain plug and O-ring seal in cover. Electrical connections are easily made by removing front cover. For convenience the set point adjustment screw is located on the outside of the housing. Twelve models offer set points from .03 to 20 in w.c. (0.0075 to 5 kPa) and from .5 to 50 psi (0.035 to 3.5 bar). The unit is very light and compact — about half the weight and bulk of other explosion-proof or weather-proof switches with separate enclosures.

CAUTION: For use only with air or compatible gases. Applications with hazardous atmospheres and a single positive pressure may require special venting.

Product Applications

HVAC applications
Process applications
All-weather applications

Explosion-proof and weatherproof housing provides device protection for outdoor use or harsh environment operation
External set point screw provides easy access that simplifies making adjustments without opening or disassembling enclosure
Easily accessible electrical connection simplifies the installation

Specifications

Series: 1950 Explosion-proof Differential Pressure Switch
Category/Type: Pressure
Type: Differential Pressure
Series: 1950 Explosion-proof Differential Pressure Switch
Service: Air and non-combustible; compatible gases.
Wetted Materials: Consult factory.
Temperature Limits: -40 to 140°F (-40 to 60°C); 0 to 140°F (-17.8 to 60°C)for 1950P-8; 15; 25; and 50. -30 to 130°F (-34.4 to 54.4°C) for 1950-02.
Pressure Limits: Continuous: 1950's - 45" w.c. (0.11 bar); 1950P's - 35 psi (2.41 bar); 1950P-50 only - 70 psi (4.83 bar). Surge: 1950's - 10 psi (0.69 bar); 1950P's - 50 psi (3.45 bar); 1950P-50 only - 90 psi (6.21 bar).
Enclosure Rating: NEMA 3 (IP54); NEMA 7 and 9.
Switch Type: Single-pole double-throw (SPDT).
Electrical Rating: 15 A @ 125; 250; 480 VAC; 60 Hz. Resistive 1/8 HP @ 125 VAC; 1/4 HP @ 250 VAC; 60 Hz.
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 on top of housing.
Weight: 3.25 lb (1.5 kg); 1950-02 model 4.4 lb (2 kg).
Agency Approvals: CE; CSA; FM; UL.