Labom
Two pressure transmitters at one measuring point
Labom makes individual measurement solutions possible - for example, level measurement in a container for a company in the pharmaceutical industry.
For this level measurement, it was necessary to measure at just one measuring point with significantly varying pressures and a large temperature range. As a solution, two pressure transmitters from the 'Pascal CV3' series were used, each covering different measuring ranges and mounted together on a diaphragm seal. Depending on the time in the process and the fill level in the tank, the system can switch from a higher measuring range of up to 4 bar to a smaller measuring range of up to 400 mbar. The smaller measuring range is overload-proof and the sensor is insensitive to the higher pressures. The diaphragm seal has also been fitted with the LTC diaphragm (LTC = Low Temperature Coefficient) developed and patented by Labom. This diaphragm compensates for temperature-related volume expansions of the filling liquid with a specially shaped stainless steel diaphragm and, according to the manufacturer, increases the measuring accuracy by up to 70 % compared to conventional sinusoidal diaphragms.










