With the Level Switch LBFS Baumer presents a new sensor which is based on frequency sweep technology. The device detects the level of liquids, viscous fluids and dry media. Due to the smooth, very small sensor head even adhesive media don’t stick whereby the adhesion error is very low. The level switch is suitable for overfill protection, low level detection, dry running protection and phase separation.
A frequency is swept by the transmitter and becomes subject to a phase shift depending on the media. The high sensitivity over a large sensing range from DC 1.5 up to more than 100 allows the level detection of all kinds of powders, granulates and liquids. Even difficult substances like polyamide granulate or paper can be detected reliably. Thanks to the teach-in function, the switching point is adjustable even for sticky media.
Compared to other measuring methods, this technology has important advantages: It has no vibrating parts, is soundless and has no problems with foam. Hence, the Level Switch LBFS is a cost-efficient and reliable alternative for applications which previously used vibration forks, conductive ultrasonic or optical sensors.
The Level Switch LBFS is mounted in a stainless steel housing making it extremely robust and corrosion-resistant. The device can be used for the limit level detection in filling, storage and buffer tanks, for dry running protection of pumps, and for phase separation with oil-water mixtures in wastewater plants. The level switch is suitable for all water treatment applications as well as for all other non-food industries. Due to its fast response time of just 0.1 seconds, the sensor offers reliable level detection even with fast filling processes. In its standard version, the level sensor is available with G½”, G3/4” and G1” process connections with M12 plug or solid cable electrical connection. Other process connections are available on request as well as different housing materials.
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