DRL26C 樹木生長監測儀用于監測樹干的生長微變化，使樹的生長與水分關系的研究變得更容易和更準確。傳感器為不銹鋼和防紫外線塑料制作，堅固耐用，適合長期監測，無須外接電池或太陽能板，內置鋰電池和數據采集器，可記錄50000個數據，通過紅外數據輸出。儀器具有較高的分辨率，可精確測量1微米莖桿的微變化，為研究樹木在白天，夜晚等氣候條件差異下的生長提供重要數據依據。

主要優點：

?適用于直徑大于8cm的任何樹干；

?傳統機械與電子技術相結合，測量更準確；

?精度較高，分辨率1微米；

?無損安裝固定；

?導出數據格式為TXT、Excel

技術參數：

?量程：64mm生長量變化監測

?分辨率：0.001mm

?誤差：量程2%

?作用力：15-20N

?工作溫度：-30-60℃

?工作濕度：0-100%

?溫度傳感器精度：±2℃

?重量：300g

?數據容量：50000個數據（每小時記錄1次則可自動記錄4年）

?采樣間隔：10min-24hrs

?電池壽命：1hr間隔5年；10mins間隔3年；待機5.5年

?通訊方式：無線紅外傳輸

?植物生理生態專業數據下載分析軟件，可進行數據下載、數據在線觀測、柱狀圖、數據修復、統計分析（如每小時平均、每日平均、總計、小值、ZD值、數據相關分析、回歸分析）與圖表展示及系統設置等

?可選配MicroLog三通道土壤監測儀，實時、連續、原位監測土壤水分、溫度、水勢的變化

?推薦系統：樹木生理生態系統，同時對多棵樹木進行實時在線監測，采集記錄樹木生長、樹皮溫度（陰面和陽面）、樹干莖流等三個生理指標的數據

應用案例

左圖：3月20日–5月20日河北塞罕壩樟子松徑向日動態變化；右圖：9月20日–11月20日河北塞罕壩樟子松徑向日動態變，引自北京大學生態研究中心2020年《植物生態學報》研究論文

產地：捷克

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