<**n style="font-family: Tahoma; color: rgb(102, 102, 102); letter-**cing: 0pt; font-size: 12pt;">1、**n><**n style="font-family: Tahoma; color: rgb(102, 102, 102); letter-**cing: 0pt; font-size: 12pt;">干濕球法**n><**n style="font-family: Tahoma; color: rgb(102, 102, 102); letter-**cing: 0pt; font-size: 12pt;">
<**n style="font-family: Tahoma; color: rgb(102, 102, 102); letter-**cing: 0pt; font-size: 12pt;">2、**n><**n style="font-family: Tahoma; color: rgb(102, 102, 102); letter-**cing: 0pt; font-size: 12pt;"> 干濕球法是一種直接方法,它用干濕球方程換算出濕度值,而此方程是有條件的:即在濕球四周的風速必須到達2.5m/s以上。普通用的干濕球溫度計將此條件簡化了,所以其正確度只有5~7%RH,干濕球也不屬于靜態法,不要儉樸地認為只需前進兩支溫度計的測量精度就便是前進了濕度計的測量精度。**n><**n style="font-family: Tahoma; color: rgb(102, 102, 102); letter-**cing: 0pt; font-size: 12pt;">
<**n style="font-family: Tahoma; color: rgb(102, 102, 102); letter-**cing: 0pt; font-size: 12pt;">3、**n><**n style="font-family: Tahoma; color: rgb(102, 102, 102); letter-**cing: 0pt; font-size: 12pt;"> 2、動態法:**n><**n style="font-family: Tahoma; color: rgb(102, 102, 102); letter-**cing: 0pt; font-size: 12pt;">
<**n style="font-family: Tahoma; color: rgb(102, 102, 102); letter-**cing: 0pt; font-size: 12pt;">4、**n><**n style="font-family: Tahoma; color: rgb(102, 102, 102); letter-**cing: 0pt; font-size: 12pt;"> 根據熱力學P、V、T平衡原理,平衡時間較長,分流法是根據濕氣和干空氣的**n><**n style="font-family: 宋體; color: rgb(102, 102, 102); letter-**cing: 0pt; font-size: 12pt;">目前**n><**n style="font-family: Tahoma; color: rgb(102, 102, 102); letter-**cing: 0pt; font-size: 12pt;">混合。由于采用了現代測控手法,這些設備能夠做得相稱精密,卻因設備復雜,貴重,運作費時費工,主要作為尺度計量之用,其測量精度可達±2%RH以上。**n><**n style="font-family: Tahoma; color: rgb(102, 102, 102); letter-**cing: 0pt; font-size: 12pt;">
<**n style="font-family: Tahoma; color: rgb(102, 102, 102); letter-**cing: 0pt; font-size: 12pt;">5、**n><**n style="font-family: Tahoma; color: rgb(102, 102, 102); letter-**cing: 0pt; font-size: 12pt;"> 3、靜態法**n><**n style="font-family: Tahoma; color: rgb(102, 102, 102); letter-**cing: 0pt; font-size: 12pt;">
<**n style="font-family: Tahoma; color: rgb(102, 102, 102); letter-**cing: 0pt; font-size: 12pt;">6、**n><**n style="font-family: Tahoma; color: rgb(102, 102, 102); letter-**cing: 0pt; font-size: 12pt;"> 飽和鹽法是濕度測量中常見的方法,儉樸易行。但飽和鹽法對液、氣兩相的平衡要求很嚴,恒溫恒濕試驗箱對環境溫度的不亂要求較高。用起來要求等很長時間去平衡,低濕點要求更長。特別在室內濕度和瓶內濕度差值較大時,每次開啟都需求平衡6~8小時。**n><**n style="font-family: Tahoma; color: rgb(102, 102, 102); letter-**cing: 0pt; font-size: 12pt;">
<**n style="font-family: Tahoma; color: rgb(102, 102, 102); letter-**cing: 0pt; font-size: 12pt;">7、**n><**n style="font-family: Tahoma; color: rgb(102, 102, 102); letter-**cing: 0pt; font-size: 12pt;"> 4、電子式濕度傳感器法**n><**n style="font-family: Tahoma; color: rgb(102, 102, 102); letter-**cing: 0pt; font-size: 12pt;">