Characterized by their remarkably small size of 5 x 7 mm, the sensors housing length is 40 mm and they are fully contained. The scratch-resistant spherical sapphire lens projects a virtually cylindrical light beam with a 4-mm diameter, permitting vertical as well as horizontal mounting.

The short-circuitproof sensors operate in a 10-to-30-Vdc voltage range with an output current to 100 mA.

Contrinex Inc., 2 Business Park Rd., Old Saybrook, CT 06475, (866) 289-2899,