The precise detection of liquid levels in shafts, tanks or reservoirs is a core task in water management and industrial automation. Especially when transparent media such as groundwater have to be monitored under changing conditions, many measuring methods reach their limits. What is needed is a solution that works with absolute process reliability both in damp indoor areas and in unprotected outdoor areas.
In practice, it is often the case that classic optical methods such as Laser Distance Sensors Time of Flight (ToF) reach their physical limits in clear water. The low medium density and the transparency of the liquid lead to incorrect measurements. This is exacerbated by weather conditions outdoors: sunlight, rain or snow can distort the measurement results of optical systems.
A principle that works independently of optical properties is therefore required for continuous fill-level measurement in deep concrete or stainless steel containers.
The solution to these challenges lies in ultrasound technology, combined with high-quality housing materials such as stainless steel 316L (1.4404). Ultrasonic waves are reliably reflected by the surface of transparent media – regardless of the color or turbidity of the water.
If continuous level monitoring is required in corrosive or humid environments, the combination of ultrasound technology and stainless steel housing offers the highest level of investment security. It ensures that transparent media are detected precisely even under extreme conditions.
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