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題名 | 紅外線溫度計在葉溫量測上之應用=Application of Infrared Thermometers on Leaf Temperature Measurement |
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作者 | 陳加忠; 沈德欽; Chen, Chia-chung; Sheng, Der-chin; |
期刊 | 中華農業氣象 |
出版日期 | 19970700 |
卷期 | 4:3 1997.07[民86.07] |
頁次 | 頁119-131 |
分類號 | 434.25 |
語文 | chi |
關鍵詞 | 葉溫; 近紅外線溫度計; 輻射; 非接觸性; Leaf temperature; Infrared thermometer; Radiation; Non-contact; |
中文摘要 | 此研究以兩具同廠牌不同機型之紅外線溫度計進行時期一年之葉溫量測。以校正 後之T型熱電偶溫度計量測值為標準值以評估外線溫度計之性能。量測作物粗肋草之葉面放 射率測定宜0.972。THI-301型紅外線溫度計具有均勻分佈之誤差值與耐久性能,準確度0.3 °C。另一型THI-320T溫度計隨使用時間量測值有嚴重偏離,其性能受到老化作用影響。 |
英文摘要 | Two types of infrared thermometers from the same manufacturer were used to measure the leaf temperature of Aglaomenma in one year.The observed values of T-type thermocouple thermomenters with adequate calibration were served as the standard to evaluate the performance of the these infrared thermometers.The value of emissivity for canopy of Agalmema was tested as 0.972.The infrared thermometers of THI-301 type had the mamce all over the year, The accuracy of this meter was within 0.3°C. The meter of THI-320T type had the serious deviation of measured values.It's performance was affected by the aging problem. |
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