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AQUAFLEX帶狀土壤水分測(cè)量?jī)x
  • AQUAFLEX帶狀土壤水分測(cè)量?jī)x

更新時(shí)間:2024-10-27 21:00:07

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帶狀土壤水分測(cè)量?jī)x

一,、用途:

用來(lái)測(cè)量大塊土體的含水量同時(shí)測(cè)量土壤溫度,傳感器測(cè)量長(zhǎng)度3米,,測(cè)量土體體積6升,。埋設(shè)式測(cè)量,可連接數(shù)據(jù)采集器進(jìn)行*監(jiān)測(cè),。特別適用于菜園,、葡萄園或草坪體育場(chǎng)、高爾夫球場(chǎng)或城市綠化帶,,對(duì)灌溉進(jìn)行高效管理,。

二、原理:

Time Domain Transmission. (TDT)原理,,與TDR原理相似,,但有不同,美國(guó)技術(shù),,號(hào):US Patent 5148125,,根據(jù)介質(zhì)導(dǎo)電性質(zhì)對(duì)沿帶狀傳感器發(fā)射的脈沖信號(hào)速度和波形的影響來(lái)確定含水量。

三,、特點(diǎn):

◎使用TDT技術(shù),;

◎測(cè)量土體大,Φ50mm×3000mm圓柱型土體,,容積約6升,,避免單點(diǎn)測(cè)量的偶然性;

◎耐用,、穩(wěn)定性好,,易于安裝、操作簡(jiǎn)單,;

◎測(cè)量條帶可任意彎曲以適應(yīng)測(cè)量需要,;

◎內(nèi)建溫度傳感器,可同時(shí)測(cè)量土壤溫度,,并對(duì)溫度和電導(dǎo)率進(jìn)行自動(dòng)補(bǔ)償,;

四、組成:

傳感器:有多種類型,,用以連接讀表或Palm掌上電腦,,另有帶有GSM調(diào)制解調(diào)器的型號(hào),,標(biāo)準(zhǔn)纜線3米。,;

手持式讀數(shù)表:連接到AQUALEX傳感器讀取數(shù)據(jù),,不含電池;

數(shù)據(jù)采集器:兩種規(guī)格,,2傳感器輸入或8傳感器輸入,;

線纜:傳感器延長(zhǎng)線(根據(jù)需要定制)、各種通訊纜線,;

軟件,。

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                五、五,、技術(shù)指標(biāo):

◎水分測(cè)量范圍:0-60%容積含水量,; 

◎水分測(cè)量分辨率:±0.5%容積含水量;

◎水分測(cè)量精度:±2%容積含水量,;

◎溫度測(cè)量范圍: -10 - 50℃,;

◎溫度測(cè)量精度: ±0.5℃;

◎操作溫度:-10 - 40℃,;

◎輸出類型:4到20mA,,RS232,頻率和*的數(shù)字?jǐn)?shù)據(jù),;

◎供電系統(tǒng):標(biāo)準(zhǔn)電池或外部電源供電,;

六、產(chǎn)地:新西蘭

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