Level Switch with Cooling Neck for High Temperatures

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27th October 2009

Source: Baumer Ltd.

Level Switch with Cooling Neck for High Temperatures

For its FlexLevel Switch 4401, Baumer offers a sliding connection making the hygienic level switch suitable for high process temperatures of up to 200 °C. The optional sliding connection is available in 100 and 250 mm length and can serve as a cooling neck or extension, for example if the medium has to be reached through the tank insulation or the level detection has to be adjusted to a certain height. Thanks to the DN38 process connection, the sensor is excellently suitable for food and beverage industry applications. For the use in hazardous areas, different ATEX versions are available.

The sliding connection enables the sensor’s application either as a cooling neck in high media temperature applications for a temperature ranges from -40 °C to a maximum of 200 °C or as an extension for various installation options. By using this method, the medium can be reached through a tank insulation or from the top of a tank. Additionally, the sensor tip can reach deeper into the tank in order to detect the correct level of viscous media that stick to the tank wall.

The FlexLevel Switch detects the level of liquids, viscous fluids and even dry media. For particularly difficult media like adhesive substances, the teach-in function enables a manual adjustment of the level to be detected. The switching status can be chosen as “normally opened” or “normally closed”. The output type can be chosen as PNP, NPN or digital out by the programming unit. A bright blue light on top of the switch shows when a media is detected. The indication can be seen easily even if the sensor is mounted on top of a tank.

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