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Baumer has launched the LFFS level switch, which can withstand high process temperatures of up to 200C, for level detection of liquids, viscous fluids and dry media.

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.

DN38 process connection makes the sensor suitable for food and beverage industry applications.

Atex versions are available for use in hazardous areas.

It can be easily configured on a PC via the Flexprogrammer 9701.

For particularly difficult media such as 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.

All wetted parts are made of FDA-approved acid-proof stainless steel or Peek thermoplastic.

The LFFS complies with the EHEDG demands and 3A approval.

For the use in open or closed tanks, the device withstands a pressure of up to 40 bar.

The switch does not contain any moveable parts and its electronic unit is completely integrated, meaning it is practically maintenance free.

When used with a cooling neck, the level switch is suitable for process temperatures from -40C up to 200C.

The optional sliding connection is available in 100mm and 250mm 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.

In the standard version, the LFFS is designed for permanent process temperatures from -40C up to +85C as well as for the use in clean-in-place and steam-in-place facilities with short-term temperatures of up to 140C (maximum one hour).

For applications in gaseous and dusty surroundings, the LFFS is available in different Atex versions, which enable safe level detection of explosive gas or dust mixtures, which can be present in the chemical, pharmaceutical or food industry.

The Atex certifications cover the Zones 0, 1 and 2 as well as the Zones 20, 21 and 22.

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