This range of microwave level switches provides a simple non-contact, non-intrusive option suitable for many applications on powders and solids. An installation comprises a transmitter and a receiver mounted facing one another up to 40m apart. During operation, the transmitter emits a continuous, low power microwave beam to the receiver, and an output relay is energised or deenergised when this beam is obstructed by the material being monitored. The switch trigger point is determined by the amount […]