土壤水分儀)<\/span><\/p>一、簡(jiǎn)述:<\/span><\/strong><\/p>.<\/span>土壤水分速測(cè)儀基于介電理論與頻域測(cè)量方法實(shí)現(xiàn)土壤水分的快速測(cè)量,由于土壤介電常數(shù)的變化通常取決于土壤的含水量,由輸出電壓和水分的關(guān)系則可計(jì)算出土壤的含水量。<\/span><\/p>二、技術(shù)參數(shù):<\/span><\/strong><\/p>.<\/span>測(cè)量參數(shù):土壤容積含水量;<\/span><\/p>.<\/span>單位:%(m3/m3<\/span>);<\/span><\/p>.<\/span>測(cè)試靈敏度:±0.01 <\/span>%(m3/m3<\/span>);<\/span><\/p>.<\/span>量程:0<\/span>-100<\/span>%(m3/m3<\/span>);<\/span><\/p>.<\/span>測(cè)量精度: 0<\/span>-50<\/span>%(m3/m3<\/span>)范圍內(nèi))±2<\/span>%(m3/m3<\/span>);<\/span><\/p>50<\/span>-100<\/span>%(m3/m3<\/span>)范圍內(nèi))±3<\/span>%(m3/m3<\/span>);<\/span><\/p>.<\/span>分辨率:0.1%<\/span><\/span><\/p>.<\/span>存儲(chǔ)容量:10000<\/span>組<\/span><\/p>.<\/span>測(cè)量區(qū)域:90<\/span>%的影響在圍繞中央探針直徑為3cm<\/span>長(zhǎng)為6cm<\/span>的圓柱體內(nèi);<\/span><\/p>.<\/span>穩(wěn)定時(shí)間:通電后約10<\/span>秒鐘;<\/span><\/p>.<\/span>響應(yīng)時(shí)間:響應(yīng)在1<\/span>秒鐘內(nèi)進(jìn)入穩(wěn)定過(guò)程;<\/span><\/p>.<\/span>供電方式:五號(hào)電池供電<\/span><\/p>.<\/span>通訊方式:USB2.0<\/span><\/span><\/p>.<\/span>軟件: <\/span>上位機(jī)軟件免費(fèi)贈(zèng)送<\/span><\/p>.<\/span>線(xiàn)纜: <\/span>國(guó)標(biāo)屏蔽線(xiàn)2<\/span>米<\/span><\/p>.<\/span>測(cè)量方式:插入式、埋藏式、剖面等<\/span><\/p>三、突出性能:<\/span><\/strong><\/p>.<\/span>采用一體化結(jié)構(gòu)設(shè)計(jì),集液晶顯示儀表+<\/span>傳感器+<\/span>便攜手提箱合成在一個(gè)便攜式手提箱內(nèi),本機(jī)體積小巧,操作簡(jiǎn)單,性能可靠,野外攜帶極為方便。<\/span><\/p>.<\/span>大屏幕中文液晶顯示,可實(shí)時(shí)顯示水分值、組數(shù)、低電壓示警,存儲(chǔ)數(shù)據(jù)等,便于野外攜帶作業(yè)。<\/span><\/p>.<\/span>儀表可設(shè)置多種土質(zhì)配方,便于不同土質(zhì)的水分測(cè)量。<\/span><\/p>.<\/span>能存儲(chǔ)指定各個(gè)點(diǎn)的土壤水分值,<\/span>上位機(jī)軟件功能強(qiáng)大,<\/span>隨時(shí)可以<\/span>通過(guò)USB<\/span>接口將記錄中的數(shù)據(jù)導(dǎo)出到計(jì)算機(jī)上,并可以存儲(chǔ)為EXCE<\/span>表格文件,生成數(shù)據(jù)曲線(xiàn),以供其它分析軟件進(jìn)一步進(jìn)行數(shù)據(jù)處理。<\/span><\/p>四、適用范圍:<\/span><\/strong><\/p>.<\/span>廣泛應(yīng)用于土壤墑情檢測(cè)、旱作節(jié)水灌溉、精細(xì)農(nóng)業(yè)、林業(yè)、地質(zhì)勘探、植物培育等領(lǐng)域。<\/span><\/p><\/div>