The SDP air gap sensor from ifm electronic detects the distance between a surface and an object with consistently high accuracy and outputs it as an absolute value. The sensor reliably detects even a flat position on the surface – the so-called zero gap. Since the gap is calculated on the basis of pressure and flow, the measurement remains accurate at all times within the usual operating pressure range between 1 and 3 bars, regardless of pressure fluctuations, or the quantity or diameter of the nozzles.
The robust measuring pipe also withstands purge air pressure. This eliminates the need to switch between flushing and measuring. A benefit of this is that the measuring element is also cleaned, and malfunctions due to contamination are prevented.
The air gap sensor can be taught to detect the target state both via its external operating buttons and an external input, or with just one click via IO-Link. The setup time of the system can therefore be greatly reduced during a production changeover.
Case History 198: Cascade control overcomes valve problems.
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The SITRANS FM electromagnetic flowmeters from Siemens deliver high-precision volume measurement of electrically conductive liquid applications – from water, wastewater and irrigation to hygienic processes and even mining slurries with magnetic particles.
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Manufacturing companies in the metal industry need oils and other fluids that are consumed by their machines. To make this consumption transparent and to establish a link to the ERP system, Arnold Umformtechnik relies on the IIoT platform, moneo, in combination with the SAP-based software solution Shop Floor Integration (SFI) – both from ifm.
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