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DRO植(zhi)物(wu)根直徑(jing)生長變化傳感(gan)器(qi)(qi)是(shi)專門用于測量(liang)植(zhi)物(wu)根直徑(jing)生長變化的傳感(gan)器(qi)(qi)。適用于根直徑(jing)范圍(wei)0~20毫米測量(liang)范圍(wei)11毫米分辨率0.1~2.6微(wei)米（視數(shu)(shu)據采集器(qi)(qi)）精度(du)(du)(du)±0.12%~±1%（視數(shu)(shu)據采集器(qi)(qi)）溫度(du)(du)(du)系(xi)數(shu)(shu)0.2微(wei)米線性系(xi)數(shu)(shu)1%使(shi)用環境土壤中(zhong)、水(shui)下或雪中(zhong)工作溫度(du)(du)(du)-30~+40℃工作濕(shi)度(du)(du)(du)0~100% RH供(gong)電。