欧美极品jizzhd欧美,91精品久久一区二区三区,欧美乱妇无乱码大黄a片,欧美日韩国产一区在线看

\rSH-2000 <\/span>礦車放射性檢測系統(tǒng)主要用于測量采石出礦坑道礦車中的放射性γ強度（經(jīng)標定后可直接給出礦車每車的鈾含量）。該檢測系統(tǒng)也可用于冶金、煤田、集裝箱等領域的放射性檢查測量。<\/span><\/span> \r<\/p>\r

\r主要特點：<\/span><\/b><\/span><\/b> \r<\/p>\r

\rSH-2000 <\/span>礦車放射性檢測系統(tǒng)該設備采用主機、雙探頭、鉛室、光電傳感器、報警器、計算機和打印機組成檢測系統(tǒng)。儀器探測靈敏度高，具有礦車運動方向檢測、非礦車不記錄、動態(tài)測量、實時報警、操作簡單、使用方便等優(yōu)點。<\/span><\/span> \r<\/p>\r

\r主要技術參數(shù)：<\/span><\/span><\/b> \r<\/p>\r

\r1.       <\/span><\/span><\/span>測量范圍：本底～<\/span>30000×10<\/span>^{－<\/span>6<\/span><\/sup>（<\/span>3<\/span>％鈾當量）<\/span><\/span> \r<\/p>\r}

\r2.       <\/span><\/span><\/span>靈敏度：約等于<\/span>500<\/span>±<\/span>20s<\/span>～<\/span>1/100<\/span>×<\/span>10<\/span>^{－<\/span>6<\/span><\/sup>（在標準飽和模型中）<\/span><\/span> \r<\/p>\r}

\r3.       <\/span><\/span><\/span>含量線性：<\/span>100<\/span>×<\/span>10<\/span>^{－<\/span>6<\/span><\/sup>～<\/span>30000<\/span>×<\/span>10<\/span>－<\/span>6<\/span><\/sup>相對誤差≤±<\/span>5<\/span>％<\/span><\/span> \r<\/p>\r}

\r4.       <\/span><\/span><\/span>使用環(huán)境：－<\/span>15<\/span>℃<\/span>～＋<\/span>45<\/span>℃<\/span>濕度（<\/span>66<\/span>±<\/span>15<\/span>％）相對誤差≤±<\/span>10<\/span>％<\/span><\/span> \r<\/p>\r

\r5.       <\/span><\/span><\/span>主機：微計算機液晶顯示，觸摸鍵操作<\/span><\/span> \r<\/p>\r

\r6.       <\/span><\/span><\/span>探頭：Φ<\/span>50<\/span>×<\/span>50<\/span>晶體；光電倍增管<\/span>GDB44<\/span>（檢測礦車用光電傳感器）<\/span><\/span> \r<\/p>\r

\r7.       <\/span><\/span><\/span>儀器與計算機打印機組成數(shù)據(jù)處理系統(tǒng)。顯示內容：日期時間、<\/span>cps<\/span>、<\/span>ppm<\/span>。<\/span><\/span> \r<\/p>\r

\r8.       <\/span><\/span><\/span>外形尺寸及重量：主機：<\/span>420mm<\/span>×<\/span>480mm<\/span>×<\/span>180mm<\/span>，重量<\/span>5kg<\/span>；探頭：Φ<\/span>80<\/span>×<\/span>380mm<\/span>，重量<\/span>2kg<\/span>；鉛室重量：<\/span>45kg<\/span> \r<\/p>\r<\/div>