Positive temperature coefficient (PTC) materials have many applications in self-regulating
heating; however, they are generally used in the high temperature range, and their use in …

This paper presents investigations on how to determine the fill level/volume of a fluid in a
vessel by means of evaluating the characteristics of pressure changes in the vapor pressure …

Positive temperature coefficient (PTC) materials are extensively utilized in self-regulating
temperature applications. Nonetheless, their applicability is typically constrained to low …

Usually, the arises to measure liquid levels in containers, in large industries; where large
volumes of liquids are stored, in small scale industries and residential buildings in …

In order to gain the desired information from a sensor and to improve its reliability and
selectivity, efforts in different domains can be taken, eg determining time dependencies or …

A new detection method of level sensor based on the thermal resistance of gas and liquids
using modeling of the current-voltage-curve is presented. The model directly examines the …

Ein entscheidender Ansatz zur Zustandsüberwachung besteht in der Ermittlung und
Auswertung spezifischer Kennwertänderungen der Sensorelemente, aus denen geeignete …

Self-validation of sensors is often based on model parameters estimation by calibration. In
order to “repair” the sensor's behavior by correction of the model parameters, it is important …

A parameter extraction of the current-voltage curve of the thermistor sensor for
reconstruction of its resistance-temperature dependency curve is proposed. The sensor is …