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The Series A3000 Photohelic Switch/Gages work as flexible, profoundly repeatable strain switches joined with an exact tension gage utilizing the established Magnehelic gage plan.
Series A3000 Photohelic Pressure Switch/Gage
3-in-1 Indicating Gage, Lo-cutoff and Hi-limit Control
The Photohelic switch/gage measures and controls positive, negative or differential tensions of air and viable gases. Standard models are evaluated to 25 psig (1.7 bar) with choices to 35 (2.4) or 80 (5.5 bar) psig. Two phototransistor impelled, DPDT transfers are incorporated for low/high cutoff control. Simple to change set point markers are constrained by handles situated on the gage face. Individual set point deadband is one pointer width – under 1% of full scale. Set focuses can be interlocked to give variable deadband – ideal to control of fans, dampers, and so forth. Gage perusing is nonstop and unaffected by switch activity, in any event, during loss of electrical power. Look over full scale pressure goes from a low 0-.25 in (0-6 mm) w.c. up to 30 psi (21 bar).
Product Applications :
* Air Conditioning Systems
* Clean Rooms
* Fume Exhaust Systems
