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德國(guó)TRUEBNERS SMT100土壤溫濕度傳感器

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產(chǎn)品型號(hào)SMT100

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詳細(xì)介紹

SMT100 土壤溫濕度傳感器 SMT100土壤溫濕度傳感器是德國(guó)TRUEBNERS公司生產(chǎn)的一款低成本、高質(zhì)量傳感器,其原理是利用環(huán)形振蕩器將信號(hào)的傳輸時(shí)間轉(zhuǎn)換為測(cè)量頻率,產(chǎn)生的頻率>100MHz足以在粘性土壤中正常工作。SMT100結(jié)合了低成本FDR傳感器的優(yōu)點(diǎn)和TDR傳感器的精度。與TDR一樣,它測(cè)量信號(hào)的傳播時(shí)間,以確定土壤的介電常數(shù),像FDR一樣,它把介電常數(shù)轉(zhuǎn)換成一個(gè)易于測(cè)量的頻率。提供SDI-12、RS485、0-10V和Modbus多種輸出方式,可滿足廣大客戶的需求。

土壤溫濕度傳感器應(yīng)用范圍:
氣象、農(nóng)業(yè)、土壤、溫室、植物秸稈水分測(cè)量、土壤侵蝕、堆肥水分測(cè)量、積雪水分溫度測(cè)量、土木綠化、多元化灌溉等領(lǐng)域

土壤溫濕度傳感器技術(shù)指標(biāo):
水分范圍:0-60% VWC (Max:99%VWC)
分辨率:0.1% VWC或者更高
精度:±3%VWC 工廠校準(zhǔn)@在0-50%VWC礦物土鹽分~8ds/m
±1%VWC@土壤特定校準(zhǔn)

溫度范圍:-40~+80℃
分辨率:0.01℃
精度:典型±0.2℃@-20~+50℃; 其它±0.4℃

介電常數(shù):1(空氣)~80(水)
分辨率:0.01
響應(yīng)時(shí)間:50us
供電:4-24V DC
電流:40mA
信號(hào)輸出:數(shù)字:RS485、Modbus、SDI-12
模擬:0 - 10 V
線纜長(zhǎng)度:10m
尺寸:18.2 cm x 3 cm x 1.2 cm

土壤溫濕度傳感器


Characteristics of the three types of soil moisture sensors used in the SOMOMOUNT network. All values in the table are provided by the manufacturers (Delta-T Devices, 2008; IMKO, 2015; Truebner, 2016).


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Cost Soil Water Content Sensors, Sensors, 17, 208,
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關(guān)鍵詞:濕度傳感器 傳感器
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