Figure 3: The T30R series operates at 122 GHz, has a beam of 15° x 15°, and offers precise detection. (Image source: Banner Engineering)
sensor from the T30R series (Figure 3) is a good choice. The sensors have a beam pattern of 15° x 15° or 45° x 45°, an operating frequency of 122 GHz, a sensing range of 25 m, a dead zone of 100 mm, and two configurable sensing zones. With its narrow beam pattern and high operating frequency, this sensor family offers precise detection in specific areas. For example, they can be used to monitor levels within narrow containers. The T30RW version comes in an IP69K housing suitable for high- pressure, high-temperature wash- down environments such as car washes. It has a sensing range of 15 m and a beam pattern of 15° x 15°.
An example use case for these sensors is detecting when trucks arrive at a loading dock. Here, the relatively wide 40° x 40° beam pattern makes it easier to find a mounting location that keeps the dock in view. The Q90R2-12040-6KDQ (Figure 2) builds on these capabilities with a wide, configurable field of view (120? x 40?) and the ability to track two targets, allowing them to tackle more complex sensing scenarios. Selecting radar for narrow beam applications In some applications, radar needs to pick out a small target. Here, a
Figure 2: The Q90R2-12040-6KDQ FMCW radar sensor operates at 60 GHz, can track two targets, and has a wide, configurable field of view. (Image source: Banner Engineering)
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