| 摘要 |
<p>The disclosure relates to an apparatus for measuring temperature, comprising a temperature-sensitive sensor, whose electric properties, for example, resistance, vary with the temperature, for example, a thermistor (2, 2 min , 3 or 3 min ) which is connected to two electric lines (5, 6), which, in their turn, may be connected to a read-off unit for reading off values of current, voltage or the like corresponding to the temperature.
<??>The apparatus comprises one or more further sensors (2, 2 min , 3 or 3 min ) which, together with the first-mentioned sensor, are selected and coupled such that they, at least within a determined temperature range, have a value of the above-mentioned electric property accurately corresponding to the temperature. In this instance, the sensors are preferably coupled in series between the above-mentioned electric lines (5,6) and are selected such that their deviations from certain determined values have a predetermined value, for example, zero.
<??>The disclosure also relates to a method of producing the above-defined apparatus, the above-mentioned electric property being measured for a large number of sensors and forming the basis of a sorting within accurately determined intervals, whereafter two or more sensors are selected for each apparatus, the sensors, on desired coupling to the electric lines, giving a desired value of the above-mentioned electric property. </p> |
