| 摘要 |
PROBLEM TO BE SOLVED: To provide an anemometer using a thermocouple at low costs.SOLUTION: An anemometer 1 is provided with: a thermocouple 5; a heater; an integration circuit 11 for integrating a signal in accordance with an electromotive force from the thermocouple 5; an amplifier circuit 12 for amplifying output of the integration circuit 11; a comparison circuit 13 for outputting a reset signal which returns the integration circuit 11 to a fixed state when output of the amplifier circuit 12 is over a reference value; and a counter circuit 15 for measuring wind velocity on the basis of intervals at which the reset signal is outputted. |
