Hydrostatic level sensors

Hydrostatic level sensors are devices used to measure the level of a liquid in a tank, reservoir, or body of water by determining the pressure exerted by the fluid at a specific depth. These sensors are commonly used in industries like water and wastewater management, oil and gas, chemical processing, and agriculture.

hydrostatic sensors in applications like tank and silos

An Overview

Hydrostatic level sensors are a reliable and efficient solution for measuring liquid levels in a variety of applications. Their ability to provide accurate measurements in harsh environments makes them a popular choice across multiple industries. Whether used in water management, industrial processes, or environmental monitoring, these sensors play a crucial role in ensuring the safe and efficient operation of fluid storage and transfer systems.

Key considerations

  • Fluid density:
    Since the sensor’s accuracy depends on the fluid’s density, it’s important to know the density of the liquid being measured.
  • Temperature compensation:
    Changes in temperature can affect fluid density and sensor performance, so temperature compensation might be necessary in some applications.
  • Installation depth:
    The sensor should be installed at the appropriate depth to ensure accurate level measurement.
hydrostatic level sensor picture with pressure gage

How hydrostatic level sensors work

Hydrostatic level sensors operate based on the principle that the pressure exerted by a liquid at a given depth is directly proportional to the height of the liquid column above the sensor. This pressure, known as hydrostatic pressure, increases with the depth of the fluid and can be measured to determine the liquid level.

Basic Principle:
P = \rho \cdot g \cdot h

  • P is the hydrostatic pressure.
  • ρ (rho) is the density of the liquid.
  • g is the acceleration due to gravity.
  • h is the height of the liquid column above the sensor.

By measuring the pressure, the sensor can calculate the corresponding liquid level, considering the fluid’s density and the effects of gravity.

High-precision
sensors

Highest precision for lowest pressures, reliable MEMS pressure sensors.

Innovative
technologies

Innovative CoBeam²™ technology and dual die technology.

Customised
system solutions

Individual system solutions for perfect integration of measurement technology in sophisticated applications.

Comprehensive
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Standard solutions on a modular product platform.