Proximity Sensors

Feb. 23, 2006
Postage-stamp-sized microfluid chips that perform multiple chemical reactions in sequence may boost production of imaging tracers for biological research, drug discovery, and patient diagnostics, say developers at UCLA.

Inductive and capacitive proximity sensors feature nickel-plated, stainlesssteel, and nonmetallic cylindrical and rectangular housings rated Type 1, 2, 3, 3R, 4/4X, 6, 6P, 12, and 13, and IP67. Cylindrical housings come in 4 to 30-mm diameters with shielded and unshielded constructions. Sensors are available with a two-meter cable or quick-connect terminations. The selection includes two, three, and fourwire,-90 to 250-Vac, 10 to 30-Vdc, and 24 to 240-Vac/dc sensors with NO, NC, complementary NO and NC, and pnp or npn outputs. The devices include short circuit, reverse polarity, false pulse, transient noise protection, and LED indicators. The sensors are certified in accordance with UL and CSA standards and are CE marked.

c3controls, Box 496, 664 State St., Beaver, PA 15009, (800) 560-8560,

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