The level sensor sent to you is provided in a ready-to-use state. You can install the sensor you take out of the box in the location where you want to perform measurements. The level sensor measures between 20cm-400cm. When installing the level sensor, we need to mount it at least 50-60cm away from the edges and corners of the pool or similar places you want to measure; otherwise, the sensor will measure incorrectly. You must mount the sensor, which has an Ip65 waterproof feature, in an area where it will not be exposed to excessive water. You should install the sensor 20cm above the maximum filling level of the pool. As shown in the example image below.