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Therma - detecting and solving problems
Both sheathing thermocouples and wire thermocouples are suitable for measuring air flows. With these configurations, however, it is difficult if both high and low flow speeds are to be measured. Wire thermocouples are not rigid enough at high flows; they can bend and thus cause measuring errors. Sheathing thermocouples of a diameter adequate enough to withstand high flow speeds exhibit deficits at low flow speeds.
This is why we have developed our air-flow thermocouples. The thermocouple's measuring point is exposed, although it is protected by a perforated tube. The measuring point can be easily surrounded by air thanks to the holes in the tube. This allows rapid response times to be maintained even when the air-flow speed is low. The rigidity of the tube prevents bending at high speeds. The length of the tube, the connected wire and the type of connection can be designed according to your requirements.