本发明提供可以正确且简便地补偿加热器的电阻值误差的气体传感 器、空燃比控制装置以及运输设备。
The invention provides a gas sensor, an air-fuel ratio controller and a transportation device for simply compensating the resistance error of the heater.
该方法利用双积分adc，采用比例法测量铂电阻的阻值，并可补偿测量电路的误差。
By using dual integration ADC and ratio method the resistance of the platinum resistor is measured and the error of the measuring circuit can be compensated.
精密电阻：其阻值以5条色码表示， 前3码表示底数， 第4码为乘数， 第5码为此电阻之最大误差值。
Precise resistor: Using 5 color bars to represent resistor value, the first 3 bars refer to base, the 4th bar is times, the 5th bar is error value.
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