“Moisture in gasses can have a negative effect on the manufacturing process, especially when heat-treating metals,” said Andreas Heyer, senior product manager. “When heat-treating metals, specially composed atmospheres are often used to ensure perfect and consistent processes. If the moisture level in the furnace is too high, it can have a negative effect on the manufacturing process,” added Heyer.
Residual moisture often comes from the gases used. The WITT solution continuously monitors the moisture content of the gas mixture as it is fed into the process. When a certain configurable limit of moisture is exceeded, an alarm can be triggered.
The solution features a ceramic metal oxide sensor that detects the moisture of the gas from the dew point. Compared with other sensor systems, this method has clear advantages, including very fast and precise measurements, significantly lower sensitivity to the ambient temperature, very low errors of measurement (+/- 2°C), as well as a large measuring range from -110 to +20 °C. Furthermore, the closed control loop of the gas mixers ensures that the required gas mixture always has a very precise composition.
The moisture measurement is relevant for many sensitive applications, such as medicine, pharmacy and biotechnology. In addition to the integrated solution, Witt also offers separate moisture measurement devices. For more information, please visit www.wittgas.com.
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