| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a gas flowmeter enhanced in measuring sensitivity, compared with conventional one. <P>SOLUTION: In this gas flowmeter for detecting a change of a resistance value of a resistor ra due to the gas flow as a change of a voltage va, by bringing the resistor ra with a current I1 flowing therethrough into contact with a gas flow, to measure a gas flow rate, the constant current I1 is supplied by a constant current source Ga. The measuring sensitivity is enhanced since the change of the resistance value of the resistor ra is directly found as the change of the voltage va. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
