Home / Products / Hazardous Rated / Pressure Switches Products Calibration Services DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Pressure DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Air Quality DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Air Velocity DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Flow DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Level DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Temperature DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Test Equipment DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Valves DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Miscellaneous DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Hazardous Rated DEMO 1 DEMO 2 DEMO 3 DEMO 4 DEMO 5 Series 1950 Compact, Low Cost, Explosion-proof and Weatherproof Explosion-proof Differential Pressure Switch applies to HVAC, processes, and all-weather. Used with air or compatible gases. Applications with hazardous atmospheres. View More Series H3 Setpoints from 10" w.c. to 200 psid – Rated 1500 psig, Weatherproof Explosion-Proof Differential Pressure Switches View More Series DA/DS Pressure Ranges to 2500 psi (172.4 bar) Bourdon Tube Pressure Switches have extremely high sensitivity and great repeatability. Hermetically sealed mercury switch is available. Applications include compressors and pump control. View More Series 1950G Explosion-proof, Weatherproof, Compatible with Natural Gases Explosion-proof Differential Pressure Switch combines the best features of the popular Pressure Switch with the benefit of natural gas compatibility. Compact and easy access to the SPDT relay. View More Series PG External Adjustment, Visible Dial, Hermetically Sealed Snap or Mercury Switch Gas Pressure/Differential Pressure Switch is used with air and other compatible gases. Clear easy-to-read, and convenient external setpoint adjustment. Applications include natural, manufactured or LP gas. View More Series SA1100 Visible Setpoint, Adjustable Deadband, Hermetically Sealed Snap Switch, Weatherproof and Explosion-proof Diaphragm Operated Pressure Switches are weatherproof and economical. The design maintains a constant effective area to minimize friction. View More Series 1996 Compact, Low Cost, Range 1.4 to 20" w.c. Gas Pressure Switch used with natural, manufactured, or LP gas. Applications in gas furnaces and natural, manufactured or LP gas applications. Compact and low cost. Ideal for high or low gas pressure interlock. View More Series H2 Explosion-proof and Weatherproof Enclosure Dual-Action Explosion-Proof Pressure Switches have a design that is weatherproof and can be mounted in any position and is not affected by vibration. View More Series AT-ADPS The ADPS in Flameproof ATEX/IECEx Enclosure ATEX/IECEx Approved Differential Pressure Switch designed for pressure, vacuum, and differential pressure applications in hazardous areas. View More Series AT-3000MR/MRS 3000MR or 3000MRS Series in Flameproof ATEX/IECEx Enclosures ATEX/IECEx Approved Photohelic® Switch/Gage combines the functions of a precise, highly repeatable differential pressure switch with a large easy-to-read analog pressure gage. View More Series AT-1800 The 1800 in Flameproof ATEX/IECEx Enclosure Series AT-1800 ATEX/IECEx Approved Low Differential Pressure Switch combines small size with 2% repeatability. View More