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todward

Case for HC-SR04 ultrasonic sensor

by todward Jan 1, 2019
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Hello,

looks really nice. Have you already installed your HC-SR04 in the Water tank for measuring the water height? What is your experience with the durability of the sensor itself in this humid environment? I like to do the same like you, using the sensor for the measurement of water laevel in a tank, included in a automated watering system and I am a bit afraid that the sensor will not survive for a longer duration than a few days or weeks.

Best regards!

Hello,
thank you for your comment. I have been using the sensor in this rainwater tank: http://rewatec.de/produkte-neu/regenwasser-nutzung/erdtanks/neo/neo-3000-liter/ since 5 months.
The sensor is mounted inside the lid and always approx. 50cm above the highest water level. So far no problems. Avoid splashing water in the tank. Use silicone to seal the gap between case and the "eyes".

Kind regards!