Omega Engineering
Mechanical Pressure Switch
Series-1900
Compact Low Differential Pressure Switch, 0.07-20 inH2O, UL/CE/CSA/FM
Compact Low Differential Pressure Switches
Series-1950
Explosion-Proof Differential Pressure Switch, Weatherproof, 0.03-20 inH2O
The Series 1950 Explosion-Proof Differential Pressure Switch features a durable weatherproof housing, external set point adjustment, and is ideal for HVAC and process applications.
Series-ADPS-EDPS
Adjustable Differential Pressure Switch – 0.08 to 20 inH2O (20 to 5000 Pa)
The Adjustable Differential Pressure Switch monitors pressure and vacuum with an easy-to-use knob. Ideal for HVAC applications, it features a compact design and durable materials.
Series-3000MR-3000MRS
Photohelic® Switch/Gages, Differential Pressure, 25 psig Max, Compact
The Photohelic® Switch/Gages offer precise differential pressure monitoring with easy-to-read analog displays. Compact and durable, they are suitable for various applications.
Series-DX
Wet/Wet Differential Pressure Switch, 1 psid, Brass, Weatherproof
Wet/Wet Differential Pressure Switch for most gases and water based solutions. External adjustable set point, integral mounting flange and a removable electrical terminal block
Series-1950G
Explosion-Proof Differential Pressure Switch, Weatherproof, UL Listed, 24 V
The Dwyer® Series 1950G Explosion-Proof Differential Pressure Switch is weatherproof and UL listed, designed for natural gas and outdoor use, ensuring safety and reliability.
Series-MP
Mini-Photohelic Differential Pressure Switch/Gage for Non-Corrosive Gases
The Mini-Photohelic Differential Pressure Switch/Gage measures non-corrosive gas pressures with dual switch points and LED indicators, perfect for fume hoods and clean rooms.
Series-1620
Pressure Switch for Air Control – High Precision, Leak-Proof, Easy Mounting
Single and Dual Pressure Switch which applies to damper positioning and duct air control. Provides leak-proof construction.
Series-DP
Adjustable Differential Pressure Switch, SPDT, NEMA-1, 600 psig, 316 SS
Double Bellows Differential Pressure Switch accurate switch triggers in high pressure applications. Optional weatherproof construction and explosion-proof enclosure.
Series-PG
Gas Pressure Switches for Air/Gases, ± 1% Repeatability, SPST/SPDT Options
The Gas Pressure/Differential Pressure Switch works with air and gases, has an external setpoint adjustment, and is suitable for natural, manufactured, or LP gas applications.
Series-BDPA
Adjustable Differential Pressure Alarm, 0.08-20 inH2O, Audible/Visual
The Series BDPA Adjustable Differential Pressure Alarm features audible/visual alerts and an easy-to-use adjustment knob, ideal for HVAC and ventilation applications.
Series-1640
Dwyer® Differential Pressure Switch, Floating Contact, High/Low Actuation
The Dwyer® Differential Pressure Switch features a floating contact design for high/low actuation, perfect for damper positioning and duct air control.
Series-A4
A4 Rugged Differential Pressure Switch, Adjustable, 6000 psig, Piston
Differential Pressure Switch for moderate shock and vibration, with a piston for any mounting orientation. It includes field adjustments and supports pressures up to 6000 psig.
PSW-150
General Purpose Industrial Differential Pressure Switch
The PSW-150 series are differential 15 A DPDT switches with a fixed deadband and UL listing for general purpose applications.
Series-1800
Compact Low Differential Pressure Switch, 2% Repeatability, UL/CSA/FM Approved
Compact Low Differential Pressure Switches
PSW845
OEM Mechanical Differential Pressure Switch
The PSW-845 series are economical, compact 250 mA SPDT differential pressure switches with a fixed deadband and excellent bypass characteristics.
PSW-180
Industrial Differential Pressure Switch or Alarm
The PSW-180 series are compact, differential 5 A SPDT switches with the option of a relay or alarm output. They have NEMA-4X housings to withstand harsh environments.
Series-MDA
Mini Adjustable Pressure Switch, Gold Contacts, HVAC, Industrial, Medical
Miniature Adjustable Pressure Switch applies to industrial, HVAC, medical and automotive applications. Gold inlay contacts. Small and lightweight.
Series-1996
Gas Pressure Switch for Furnaces, SPDT, 1/8" F & 1/4" M, Visible Set Point
Gas Pressure Switch applications in gas furnaces and natural, manufactured or LP gas applications. Compact and low cost. Ideal for high or low gas pressure interlock.
Series-1831
Compact DPDT Low Differential Pressure Switch, Manual Reset, No Power, HVAC
Low Differential Pressure Switches for HVAC and high duct static cutout applications. No power is required, set point adjustment on the switch
Series-MDS
Mini Pressure Switch, Dual Diaphragm, 20M Cycle Life, OEM – 50 Min Order
Miniature Pressure Switch applies to air proving, ventilation flow, and pressure monitoring. Low Cost. Lightweight, but shock and vibration resistant.