S4-34740 Gent Beam Sensor Pair (Transmitter & Receiver) Excl Brackets & BaseGent by Honeywells S Quad Beam Sensors provides an enhanced solution for linear beam detection for applications where point detection is either not practical or economic. Powered and controlled via the loop, the beam is a market leading device with features such as one man alignment and commissioning which is achieved using the auto gain setting, this ensure the optimum alignment is reached. Maintenance of the beam is enhanced with a key operated test