What kind of measurements do pressure sensors provide in flow depth instruments?

Pressure sensors in flow depth instruments are specifically designed to measure the depth of liquid. They work by determining the hydrostatic pressure exerted by the column of liquid above the sensor. This pressure is directly related to the depth of the liquid, since greater depth results in higher pressure.

As the sensor measures this pressure, it can be converted into a depth measurement using the known properties of the liquid, such as density. This relationship allows operators to effectively monitor water levels in various applications, ensuring that the measurements are accurate and reliable for purposes such as water resource management, flood monitoring, or wastewater management.

The other types of measurements, such as flow rate and velocity, typically rely on different types of sensors or methods entirely, making depth measurement the primary function of pressure sensors in this context.