MEMS Density sensor to measure the density of liquids during the process itself – no need to go to the laboratory
- Type of medium: Liquids
- Measuring range: 600 to 1000 kg/m³
- Accuracy: ± 0.5 kg/m³
- Process pressure range: 0 to 20 bar
- Process temperature range: -20 to 60 °C
- Communication protocol: ASCII RS232
Fields of application
- Liquid density, and temperature measurement
- Determination of the mass of liquids
- Monitoring and control of the quality of fuel mixtures such as E10 or biodiesel
The sensor measures the density of liquids in a microelectromechanical system (MEMS). Within the MEMS, the liquid is directed to an omega-shaped microchannel, known as the omega chip. This tiny silicon tube – it is hardly thicker than a hair – is vibrated for the purposes of the measurement. The density of the medium to be measured can be derived from the natural frequency of this oscillation: The denser the medium, the smaller the oscillation.
The sensor measures the density of liquids during the process itself – no need to go to the laboratory. Thanks to a sub-millimeter measuring channel, the properties and quality of a liquid can be precisely monitored even in confined spaces.
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