Circuit for measuring temperature of to-be-detected article
A circuit and item technology, applied in the field of temperature measurement, can solve problems such as low accuracy rate and large data deviation, and achieve the effect of small error and high accuracy of measurement data
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[0011] The present invention will be further described below in conjunction with accompanying drawing.
[0012] Such as figure 1 As shown, a circuit for measuring the temperature of the object to be measured is provided in a housing 1, and the housing 1 is a transparent housing, because figure 2 As shown, the circuit includes resistors R1~R13, electrolytic capacitor C1, capacitor C2, electrolytic capacitor C3~C5, capacitor C6, potentiometer RP1~RP4, Zener diode D1, chip U1, chip U2, thermistor Rt, 12V voltage Connect the first fixed end of the potentiometer RP1, the negative pole of the Zener diode D1, the positive pole of the electrolytic capacitor C1, one end of the capacitor C2, one end of the resistor R2, one end of the resistor R2, and the other end of the resistor R2 respectively after passing through the resistor R1. One end of the thermistor Rt, one end of the resistor R5, and the other end of the resistor R3 are respectively connected to the first fixed end of the p...
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