1. Brief introduction STD light curtain series, comprise of Transmitter(emitter), Receiver, Connection Cables, Controllers, Mounting fittings. compact structure,slim profile, robust canopy. Through beam type, Application fields: mainly used in the machinery field to protect operators, such as: - Presswork machinery - Shearing equipment - Metal cutting equipment - Automated assembly line - Automated solder line - Machinery transmission equipment 2. Main Characteristics: * Fast response time