| 摘要 |
PURPOSE:To eliminate the erroneous operation of a switch, by constituting the switch for starting a circuit and the switch for starting the measurement of temp. from different kinds of ones. CONSTITUTION:A temp. measuring sensor 4, a display device 5 and an electric circuit are mounted in the main body 1 of a temp. measuring device and a first switch 7 such as an externally operable push button switch and a second switch 8 made operable by receiving the main body 1 of the temp. measuring device in a receiving case 2 are provided to the main body 1 of the temp. measuring device. When the main body 1 of the temp. measuring device is received in the receiving case 2 and a magnet 11 is moved by operating an operation part and the second switch 8 is closed, the previous measured temp. value is displayed. When the main body 1 of the temp. measuring device is taken out from the receiving case 2 and the first switch 7 is closed, the current measured temp. value is displayed. |
