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您的位置：首頁  -  技術文章  -  美國Apogee Instruments SP-230-SS 全天候加熱總日射表 加熱器傳感器

美國Apogee Instruments SP-230-SS 全天候加熱總日射表 加熱器傳感器

更新時間：2023-12-04      瀏覽次數：470

美國Apogee Instruments 

SP-230-SS 全天候加熱總日射表 加熱器傳感器

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SP-230(全季節)是一款加熱式總日射表，配有一個0.2 W加熱器，可防止水

(液態和冰凍)進入傳感器，并最大限度地減少因露水、霜、雨或雪阻擋光路

而導致的誤差。傳感器包括IP68海洋級不銹鋼電纜連接器，距離頭部30厘

米，以簡化傳感器的拆卸和更換，便于維護和重新校準。

Figure 1: Solar radiation after a January frost in Logan, Utah with overcast conditions until 11 a.m. The two replicate Apogee SP-230 pyranometers were nearly identical to a heated and ventilated reference pyranometer. In spite of the bright sunlight after 11 a.m., the frost on two unheated glass dome thermopile and four replicate unheated castle design pyranometers did not melt until after 4 p.m. (1600 hours).

 圖1:猶他州洛根一月霜凍后直到上午11點的太陽輻射，兩個重復的Apogee SP-230總日

射表與加熱和通風的參考總日射表幾乎相同。盡管上午11點后陽光燦爛，但兩個未加熱的

玻璃圓頂熱電堆和四個復制的未加熱城堡設計日射強度計上的霜直到下午4點后才融化(16

00小時)。

Figure 2. The effect of frost and snow accumulation for three groups of pyranometers in Logan UT, expressed as a percentage of true reading. Castle design and unheated thermopile sensors averaged a 20% error for the month with a maximum error of 80%. Data for Figure 1 is from day 12.

圖二。Logan UT中三組總日射表的霜凍和積雪效應，以真實讀數的百分比表示。城堡設計

和未加熱熱電堆傳感器本月平均誤差為20%，最大誤差為80%。圖1的數據來自第12天。


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