Our offices will be closed on Monday, May 28th in observance of Memorial Day
FedEx shipped orders placed before 6:00PM ET on Friday, May 25th will ship same day (if paid for by Credit Card or PO account in good standing & based on product availability). Orders placed after the Friday cutoff will ship on Tuesday, May 29th. Please see our Business Policies for earlier shipping cutoff times for drop-shipped items and shipping by other carriers.
Through-beam laser sensors detect presence when an object obstructs light traveling from emitter to receiver. Using Class 1 lasers, these DC-powered tubular sensors offer detection ranges up to 50m, and are available with integral 2m pigtail cable or quick-disconnect. Emitters and receivers are sold separately.