The installation requirements for ultrasonic and microwave (radar) level gauges are as follows

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1. In applications for measuring liquid levels, it is advisable to install the sensor vertically downward. 2. In situations where material level is being measured, the ultrasonic or microwave beam should be directed toward the discharge outlet at the bottom of the silo. 3. The distance from the center of the ultrasonic or microwave beam to the container wall should be greater than the beam radius at the lowest liquid (material) level, as calculated based on the beam emission angle and measurement range. 4. The beam path of ultrasonic or microwave waves should avoid the spraying range of the container’s feed stream. 5. The beam path of ultrasonic or microwave waves should avoid the stirrer and other obstacles. 6. The installation of ultrasonic or microwave level gauges for liquids (materials) must also comply with the requirements of the manufacturer.