The Photohelic® switch/gage measures and controls positive, negative or differential pressures of air and compatible gases. Standard models are rated to 25 psig (1.7 bar) with options to 35 (2.4) or 80 (5.5 bar) psig. Two phototransistor actuated, DPDT relays are included for low/high limit control.
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Adjustable Set Point, High Overpressure Differential Pressure Switch which is capable of carrying moderate shock and vibratory loads. Piston design allows mounting in any orientation. Offers field adjustments and can handle system pressures up to 6000 psig. , Series PDPS,
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This category contains a variety of Dwyer Differential Pressure Switches. Sensors for air and non-combustible compatible gases have an electrical contact output at a specific difference between two pressures. Gas Pressure/Differential SPDT Pressure Switch, Manual Reset, w/ Mercury (.5" - 5.0" W.C.) PR-153-P2 Gas Pressure/Differential SPDT
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One of our most popular differential pressure switches is now available with a DPDT switch and manual reset. The Series 1831 combines small size with 4% set
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The Series ADPS/EDPS Adjustable Differential Pressure Switch is designed for pressure, vacuum, and differential pressures. The dual scaled adjustment knob in inches water column and pascals allows changes to the switching pressure to be made without a pressure gage.
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Connect switch to source of pressure, vacuum or differential pressure. Metal tu with 1/4˝ O.D. is recommended, but any tu which will not restrict the air flow can be used. Connect to the two 1/8˝ NPT 1950G Switch Outline Dimensions DWYER INSTRUMENTS, INC. Phone: 219/879-8000 www.dwyer-inst.com P.O. Box 373 • Michigan City
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Dwyer Instruments - 1638-1 - Diaphragm pressure switch, 0.20-1.0" w.c., SPDT, 15A, 120-480 VAC, 1/8" NPT - Allied Electronics & Automation, part of RS Group, Pneumatics & Fluid Control / Instrumentation / Pressure / Vacuum Switches, Image may be a representation. See specs for product details. Dwyer Instruments, Dwyer Instruments 1638-1,
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Dwyer 1900-10MR - Differential Pressure Switch w/ Manual Reset (3.0" - 11.75" W.C.) - Differential Pressure Switch w/ Manual Reset (3.0" - 11.75" W.C.) Our
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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.
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DwyerSeries 616KD Differential Pressure Transmitter $ 62.00 Select options; Series MS2 Magnesense® II Differential Pressure Transmitter $ 89.00 - $ 104.00 Select options; Series DH3 Digihelic® Differential Pressure Controller $ 289.00 - $ 355.00 Select options; Series 1900 Compact Low Differential Pressure Switches $ 45.75 - $ 48.50
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Sensors for air and non-combustible compatible gases have an electrical contact output at a specific difference between two pressures. Applications vary between the different types of
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The Series 1950 Explosion-Proof Differential Pressure Switch combines the best features of the popular Dwyer® Series 1900 Pressure. Switch with an integral
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Dwyer® DPDT Low Differential Pressure Switch, 1831-1-RA-S, Manual Reset, 2.5-9" w.c.: Electronic Components: : Industrial & Scientific.
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Add to Wish List Add to Compare. Dwyer 1900 Series Low Differential Pressure Switch for Air or Non-Combustible Gas; Repeatability ±3%; Single SPDT Output. 1/8" NPTF Process Connection. Three Screw-Type Electrical Connections: Common, N/O, and N/C. Screw-Type Setpoint Adjustment Inside Conduit Enclosure. Includes Manual Reset Option.
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of the popular Series 1900 Pressure Switch with a compact explosion- Connect switch to source of pressure, vacuum or differential pressure.
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Setpoints from 10" w.c. to 200 psid – Rated 1500 psig, Weatherproof. Explosion-proof Series H3 Explosion-Proof Differential Pressure Switch, heavy duty, industrial unit has a unique new
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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
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Call a Lesman sales specialist at 800-953-7626. Orders placed before 3PM central time for in stock models ship the same day. Product Documentation, Dwyer 1831 Low Differential Pressure Switch with Manual Reset Specifications (395.80 kB) Dwyer 1831 Low Differential Pressure Switch with Manual Reset Manual (322.84 kB) Product Videos,
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The Series ADPS Adjustable Differential Pressure Switch is designed for overpressure, vacuum, and differential pressure applications. The scaled adjustment
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The 1950G is very compact, about half the weight and bulk of equivalent conventional explosion-proof switches. Easy access to the SPDT relay and power supply terminals is provided by removing the top plate of the aluminum housing. A supply voltage of 24 VDC, 120 or 240 VAC is required.
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The compact size, adjustment knob and low cost make the Dwyer ADPS switch the perfect choice for HVAC applications. For a metal clad, more industrial design
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