Dwyer Instruments Series A3000 overview
Dwyer Instruments Series A3000 Pressure Switch/Gauge The SERIES A3000 Photohelic® Switch/Gages function as versatile, highly repeatable pressure switches combi...
Manufactured byDwyer Instruments
Part number or familySeries A3000
Product groupPressure Switch/Gauge
Product details
Manufactured byDwyer Instruments
Product groupPressure Switch/Gauge
DescriptionDwyer Instruments Series A3000 Pressure Switch/Gauge
OverviewThe SERIES A3000 Photohelic® Switch/Gages function as versatile, highly repeatable pressure switches combined with a precise pressure gage employing the time-proven Magnehelic® gage design. 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. Easy to adjust set point indicators are controlled by knobs located on the gage face. Individual set point deadband is one pointer width - less than 1% of full scale. Set points can be interlocked to provide variable deadband - ideal for control of fans, dampers, etc. Gage reading is continuous and unaffected by switch operation, even during loss of electrical power. Choose from full scale pressure ranges from a low 0-.25 in (0-6 mm) w.c. up to 30 psi (21 bar); single positive pressure to 6000 psig (413 bar).
Key Features3-in-1 instrument allows the reduction of several instruments with one product, saving inventory, installation time and money Patented design and 1% full scale dead band provides quick response to pressure changes means no delay in switching and chatter-free operation A wide range of models that can meet pressure measurement specifications from low to very high
Typical ApplicationsAir conditioning systems Clean rooms Fume exhaust systems
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Dwyer Instruments
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Pressure Switch/Gauge
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