| 摘要 |
A monitoring apparatus for monitoring the temperature of a body, the apparatus having a housing defining a volume of air exposed to the body, a temperature sensor being located within the volume of air at a position remote from the body whereby the temperature of the body can be determined. In one embodiment the housing defines a substantially vertically arranged flue exposed at its lower end to the body, the temperature sensor being located within the flue, at least one air inlet being provided in the flue positioned below the temperature sensor, at least one air outlet being provided in the flue positioned above the temperature sensor, whereby the body, when heated, may initiate a rising column of air within the flue due to convection when the temperature of the body is greater than the ambient temperature, the temperature sensor being exposed to said rising column of air.
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