RightSound Bulletin 873E Opposed Mode Ultrasonic Sensor Manual

This document describes the RightSound Bulletin 873E series of opposed mode ultrasonic sensors, consisting of an emitter and a microprocessor-based receiver designed for reliable sensing of clear objects and operation in demanding environments. Key features include continuously adjustable emitter amplitude, high immunity to noise, rugged NORYL housings rated for 1200 psi washdown, and both NPN and PNP outputs with selectable normally open or normally closed modes.