OPTEX RSA-N Colour Mark SensorThe OPTEX RSA N Colour Mark Sensor is a compact and reliable RGB mark detection sensor, designed for fast and precise recognition of registration marks and contrast changes on various materials. With its advanced RGB LED technology and high speed response time, it ensures stable operation even on challenging surfaces like glossy, metallic, or low contrast backgrounds. The RSA N features an NPN open collector output for seamless integration with a