Blocked Chute Detection with Microwave Technology

As well as its use for level detection, microwave technology is now being applied across many industries for applications such as the detection of blocked chutes, flow / no flow detection, the detection of product on conveyors, the detection of blocked pneumatic conveying pipes and the detection of blocked air slides.

The WADECO MWS-ST/SR type microwave sensor is a switch consisting of a transmitter (MWS-ST) and a receiver (MWS-SR) installed face-to-face. The transmitter emits a continuous, low power microwave beam towards the receiver and an output relay is released when the beam is obstructed.

With the MWS-ST/SR microwave sensors non invasive installation methods, there is no disruption to material flow and the process can be kept closed. Microwave sensors are also unaffected by build-up on the antenna head, thanks to the high penetrability of microwaves. With the new series 3, the range can now extend up to 200 metres. Ideal where high power is required for blocked chute or for long range anti-collision applications.

Microwave Sensors are also unaffected by environmental conditions including heavy dust and airborne particles, smoke, vapor, flames, rain, snow etc.

Microwave Sensors have a wide application across all areas of industry where highly reliable, non-contact detection is required. They are generally used for process control by monitoring presence/absence of product, flow/no flow conditions and point level detection in bins and silos.

With no moving parts and non contact detection, the result is reduced wear and tear, zero maintenance and added safety safe for personnel and operators.

With over 25 year’s experience, WADECO is the world leader in the design and manufacture of high quality, reliable Microwave Level Sensors. In Australia, WADECO are exclusively represented by Semrad Pty Ltd.

Semrad are a leading Australian distributor of level swaitches and transmitters, designed specifically for harsh industrial applications. Their broad range of sensing technologies provides complete application coverage with unparalleled user flexibility. The range of products is specifically designed for the various industrial environments including bulk solids, liquids, including harsh acid, caustic and chemical solutions.

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