Time-Separating Heating and Sensor Functions of Thermistors in Precision Thermal Control Applications

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Time-Separating Heating and Sensor Functions of Thermistors in Precision Thermal Control Applications

机译：精密热控制应用中热敏电阻的分时加热和传感器功能

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A method allows combining the functions of a heater and a thermometer in a single device, a thermistor, with minimal temperature read errors. Because thermistors typically have a much smaller thermal mass than the objects they monitor, the thermal time to equilibrate the thermometer to the temperature of the object (τ_t) is typically much shorter than the thermal time of the object to change its temperature in response to an external perturbation (τ_O), τ_t τ_O

机译：一种方法允许将加热器和温度计的功能组合在单个设备（热敏电阻）中，并且具有最小的温度读取误差。由于热敏电阻的热质量通常比其监控的对象小得多，因此使温度计平衡到对象温度的热时间（τ_t）通常比对象响应温度变化而改变其温度的热时间短得多。外部扰动（τ_O），τ_tτ_O

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《NASA Tech Briefs》 |2010年第1期|27|共1页
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Time-Separating Heating and Sensor Functions of Thermistors in Precision Thermal Control Applications

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