德國MI VM-3000汞蒸氣測汞儀技術參數(shù)：

Measuring principle: 測量原理：UV-Absorption紫外線吸收

Wavelength:波長：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;自動歸零

Measuring ranges: 測量范圍：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響應時間(99% signal):(99%信號)：< 1 second ; continuous operation and real-time reading <1秒; 連續(xù)運行和實時讀值

Alarm: 報警方式：3 levels programmable 3級可編程

Status alarms: 狀態(tài)報警：measuring cell soiled, battery state (option, UV source exhausted測量單元受污染，電池狀態(tài)(選項：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，數(shù)據(jù)記錄功能(可選)

Battery option: 電池選項：external 12 DC source; optional 12 V batteries integrated, ca.外部12V直流電源;可選12V集成電池，工作時長5h