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Dwyer PG Series Gas Pressure/Differential Pressure Switches Large sensitive diaphragm and reliable, time proven mechanical design are combined in Series PG pressure/differential pressure switches. 1950G Series switch pdf manual download. Manual Reset, No Power Required: Series BDPA Adjustable Differential Pressure Alarm. Integral Explosion-Proof Pressure Switches. Differential pressure Switch. Differential pressure switch, 316SS bellows, range 0-30 psid (0-2.1 bar), max. View and Download Dwyer Instruments 1910-00 installation and operating instructions online. The Dwyer 1831 Series differential pressure switches are available with a DPDT switch and manual reset. Manual Reset Model 1900-MR – includes special snap switch which latches on pressure increase above the setpoint. pressure 300 psig ... sales@dwyer-inst.co.uk; ADPS series. The 1831 combines small size with 4% set point repeatability. ... Dwyer Instruments. 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Differential Pressure Gage. 24 Volt or Battery Powered, Built-in Audible and Visual Alarm: Series DX Wet/Wet Differential Pressure Switch. Change model number to 1911 and add –EXPL suffix. Absolutely no power is required to operate the DPDT switch. Motor Protection Accessories. View and Download Dwyer Instruments Series A3000 Photohelic installation and operating instructions online. Motor Accessories. Differential Pressure Dwyer’s wide selection extends to Gages, Transmitters, Switches, Data Loggers, and Monitors for Differential Pressure. 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. Repetitive Accuracy within 2% Low Differential Pressure Switch for General Industrial Service which is ATEX approved and applies to mechanical equipment control and processes. *IMPORTANT. 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