| 摘要 |
The present invention relates to a sensor arrangement. In particular, a s ensor for the measurement of magnetically active or ferrous debris, for exam ple, as generated as a result of machine wear. There is provided a sensor (5 ) having a magnetic sensor head adapted to produce a magnetic field,- a magn etic field sensor (10) responsive to changes in the magnetic field; a temper ature probe (15); and processing means (50) for determining the amount of de bris accumulated on the magnetic sensor head based on both magnetic field an d temperature data.
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