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技術(shù)文章

Technical articles

當(dāng)前位置:首頁(yè)技術(shù)文章旋杯式淺水低流速儀/淺水低流速儀/流速儀

旋杯式淺水低流速儀/淺水低流速儀/流速儀

更新時(shí)間:2018-12-11點(diǎn)擊次數(shù):1891

旋杯式淺水低流速儀/淺水低流速儀/流速儀       型號(hào);DP-LB50-1C
DP-LB50-1C型旋杯式淺水低流速儀適用于淺水河流,渠道,徑流實(shí)驗(yàn)站和水實(shí)驗(yàn)室,供測(cè)量低流速。
本儀器執(zhí)行并符合GB/T11826-2002《轉(zhuǎn)子式流速儀》等標(biāo)準(zhǔn)。
   本儀器特點(diǎn):體積小,重量輕,靈敏度,使用、清洗、維修方便。
 
主要標(biāo)準(zhǔn)
(1)感應(yīng)頭結(jié)構(gòu)           六等分錐型旋杯轉(zhuǎn)子件,ABS程塑料
(2)旋杯件回轉(zhuǎn)直徑      Φ80mm
(3)測(cè)速范圍             0.01-0.5m/s
(4)儀器起轉(zhuǎn)速           0.008m/s
(5)檢定曲線誤差         線均方差M≤±1.5%(V>0.15-0.5m/s);相對(duì)誤差E≤±5%(V>0.02-0.15m/s);
                        誤差δ≤±0.001m/s(V=0.01-0.02m/s)
(6)每信號(hào)轉(zhuǎn)數(shù)         0.5轉(zhuǎn)(或1轉(zhuǎn),根據(jù)流速快慢可調(diào)整)
(7)發(fā)信件結(jié)構(gòu)         磁敏霍爾器件電子開(kāi)關(guān),集電開(kāi)路輸出
(8)開(kāi)關(guān)觸點(diǎn)容量         電流I≤20mA;電壓U≤4.5-12V
(9)開(kāi)關(guān)作壽命         700次
(10)儀器測(cè)量安裝        測(cè)桿:Φ12mm×長(zhǎng)0.5m;三腳測(cè)架:0.5m
(11)儀器作條件
作水深              0.05-0.5m
作水溫              0-40℃
作氣溫              0-40℃
懸移質(zhì)含沙量          0.1kg/m3
水質(zhì)含鹽度            <2g/l

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