Posted to News on 30th Nov 2021, 00:00
Level switches are maintenance-free and simple to use
Since they have no moving parts, IFM Electronic says its LI151x-series capacitive level switches need no maintenance and are an ideal replacement for conventional float-type level switches that are prone to mechanical failure and sticking in more viscous media. The dependable, maintenance-free operation of the switches increases plant uptime while reducing operating costs.
LI151x level switches are also easy to use – they are pre-programmed for plug-and-play installation with water-based fluids and can be reconfigured in just a few seconds for use with hydraulic and similar oils.
Four versions of the new switches are offered, with probe lengths from 132 to 737 mm. All types have an integrated temperature sensor, two switching outputs and an IO-Link digital interface. Users can configure the switching outputs as either two level outputs, or as one level output and one temperature output which, in many applications, saves money by eliminating the need for a separate temperature sensor. Configuration of the switches can be performed either by using the built-in inductive ‘teach’ button, or via the IO-Link connection.
Suitable for use even in demanding environments, LI151x level switches have an IP 68; 69K ingress protection rating and an operating temperature range of -25 to +85°C. The probe diameter is 16 mm. Accessories include mounting clamps, flanges and adaptors, as well as an extensive range of cables pre-terminated with M12 connectors.
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