我們會(huì)努力按照原廠技術(shù)參數(shù)翻譯編輯,如技術(shù)參數(shù)中英文有差異,以英文參數(shù)為準(zhǔn)。
德國MI VM-3000汞蒸氣測(cè)汞儀技術(shù)參數(shù):
Measuring principle: 測(cè)量原理:UV-Absorption紫外線吸收
Wavelength:波長(zhǎng):253,7 nm253,7nm
UV source: 紫外光源:electrodeless low-pressure mercury lamp (EDL)無很低壓汞燈(EDL)
Measuring cell: 測(cè)量單元:fused silica, heated to avoid condensation熔融石英,加熱以避免冷凝
Stabilization method: 穩(wěn)定方法:lamp control by reference beam feedback; Auto-zero通過參比光束反饋控制光源;自動(dòng)歸零
Measuring ranges: 測(cè)量范圍:range I: 0.1 to 100 µg/m3 (0.01-10 ppb)范圍Ⅰ:0.1-100µg/m3(0.01-10 ppb)
range II: 0 to 1000 µg/m3范圍Ⅱ:0-1000µg/m3range III: 0 to 2000 µg/m3 (0-200 ppb)范圍III:0-2000µg/m3(0-200 ppb)
Sensitivity:靈敏度:0.1 µg/m3 (0.01 ppb) 0.1µg/m3(0.01 ppb)
Response time響應(yīng)時(shí)間(99% signal):(99%信號(hào)):< 1 second ; continuous operation and real-time reading <1秒; 連續(xù)運(yùn)行和實(shí)時(shí)讀值
Alarm: 報(bào)警方式:3 levels programmable 3級(jí)可編程
Status alarms: 狀態(tài)報(bào)警:measuring cell soiled, battery state (option, UV source exhausted測(cè)量單元受污染,電池狀態(tài)(選項(xiàng):紫外光源耗盡)
Display: 顯示方式:帶背景照明的graphical LC display with background illumination圖形液晶顯示器
Signal outputs: 信號(hào)輸出:4...20 mA; RS 232 for PC or printer ; data logger function (option) 4 ... 20 mA;RS-232接口連接PC或打印機(jī),數(shù)據(jù)記錄功能(可選)
Battery option: 電池選項(xiàng):external 12 DC source; optional 12 V batteries integrated, ca.外部12V直流電源;可選12V集成電池,工作時(shí)長(zhǎng)5h