Photoelectric sensors

The QM42 Series of 10- to 30-v DC photoelectric sensors from Banner Eng. (Minneapolis, MN) is designed to withstand severe environmental conditions and impact.

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They are leakproof, says the company, and meet IP67 and NEMA 6P standards for harsh sensing environments. Available in opposed mode (thru-beam or beam break) for ranges up to 33', polarized retroreflective mode for ranges to 10', diffuse (proximity) mode with a range of 16", and a high-speed fiber optic model.

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