Measuring β value of NTC thermistor with constant temperature oil tank.
Place the Vsec elec NTC temperature sensor in a constant temperature oil tank, measure the resistance of the NTC temperature sensor at 25 degrees Celsius and 50 degrees Celsius, and then calculate the β value according to the following formula: β=T1*T2/(T2-T1)*Ln (R1/R2), T1 and T2 in the formula are standard temperature. When the temperature of the constant temperature oil tank is 25 degrees Celsius, the value of T1 is (25+273)K.