With a long, 2m sensing range, this background-suppression sensor and
its highly-visible red light emitter is said to be simple to set up and
adjust. It is well-suited for installations in which laser sensors may
cause safety concerns or perform poorly due to contaminants in the air,
and for extended range applications such as large roll runout, hopper
level control, and part counting for wood finishing equipment. The BOS
50K has excellent gray shift capability at an affordable price, says the
vendor.Balluff Inc.www.balluff.com800.543.8390