At auction is a Kobold SWK-5 flow meter which was removed from a Trumpf laser. The item appears to be working ( I tested it by carefully passing compressed air through the fitting while checking for continuity through the switch. The wire connected to the switch is 36" in length.
Item Description : 100% Brand new and high quality DC 12V micro diaphragm pump Widely used in general industry equipment, medical equipment, chemical equipment, farming (lawn and gar
The JD-2 die cast aluminum air pressure switch is suitable for industrial applications. The design assures safety, repeatability and efficiency with precise proving of air flow. The reliable JD-2 switch is adjustable within its factory set range.
Cleveland Controls - Model #DFS-221, Air Flow Sensing Switch. This is a used switch in very good cosmetic and functional shape. It is a non-adjustable, fixed setting switch with a SPDT relay that closes on increasing pressure at 0.05 +/- 0.02 inches of W.C.
Used to insure proper air flow over heat source. For this switch anything below 1800 feet per minute operates the switch to interlock the heat source off. Switch is rated for 250 vac at 5 amperes.
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