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Temperature measurement

Temperature measurement can have multiple goals. In our field of activity as trouble-shooters, temperature measurement is often done to find out whether anything is amiss. For example, if the temperature of exhaust gases of one of the cylinders of a diesel engine differs from that of the other, this can be an indication of a problem, or even of imminent damage or wear.

Furthermore, parts can be checked for heat loss, for example heat loss in vibration dampers and elastic couplings. This is, of course, done via non-contact sensors. These tests can be done in combination with torsional vibration measurement, and this in turn combined with torsional vibration calculations, forms a good basis to check the system and modify it where necessary.

Inspection on hotspots, for example on switchboxes by means of thermography, is also one of the possibilities.

When it comes to temperature measurement we use a number of standard techniques, such as thermocouples, infrared sensors (non-contact) and also thermographic cameras.

Of course it is also possible to carry out special applications. In this way a part can be equipped with sensors, in order to get as close to the source of an increased temperature as possible. An example of this is equipping a plain bearing of a diesel engine, in which repeated damage had occurred, and in which bearing temperatures that were too high were seen as a possible cause. By thus equipping the bottom shell of a bearing block, the bearing temperature could be determined with great accuracy and during normal operating conditions.