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Guardian21 当前位置:首页 » 产品中心 » 气体分析仪 » Guardian21 » Guardian21-B紫外气体分析仪
Guardian21-B紫外气体分析仪

Guardian21-B紫外气体分析仪

Ultraviolet Gas Analyzer

                       


Guardian21-B是一种紫外气体分析仪,基于紫外光谱吸收法,工作原理基于朗伯--比耳定律。分析仪的光路部分由光源、气体室、光纤和光谱仪(含光阑、全息光栅、线阵检测器)等光学组件构成。

  

 

 

 

 

光源发出的紫外可见光经光学视窗进入气体室,被流经气体室的被测样气所吸收,携带被测样气吸收信息的光经透镜汇聚后耦入光纤,经光纤传输送入光谱仪进行分光处理得到气体的吸收光谱。通过对光谱进行分析,可分析出气体中相关组分的浓度。

 

仪器特点

l 利用紫外吸收光谱和化学计量学算法测量气体浓度并实时显示,通过RS232、RS485、4-20mA将浓度实时输出,最大特点是不受水气干扰。

l 可手动和自动校零校量程

l 继电器报警输出,可以配置上下极限报警,自检故障报警

l 大屏幕LCD液晶显示,3U19英寸标准机箱

l 开关量、模拟量输出/输入可灵活配置

l 双量程间可自动、手动或外部触发切换,量程比达到10:1;

l 在气体室透镜受到样气污染导致能量衰减时,支持自动光谱能量调节;

 

技术标准与证书

1、CMC计量器具生产许可证标号:(苏)制01000318号

2、ISO9001:2000质量体系认证证书编号:EWC22705QR1

3、企业标准:Q/3201 ZCJ 01-2011

 

 

氧气测量特点及技术参数

l     采用先进的氧传感器,性能稳定,质量可靠,在空气中连续使用寿命五年以上,可用空气标定

l     CO, CO2, NOx, H2S,H2,CH4等气体对传感器无影响

l     无需预热,响应速度快:T90为14±2秒

l     环境温度适应性强:5 ~ 40℃

l     量程范围: 0~1%,10%,25%,50%,100%

l     测量精度: ±0.1%FS


Guardian21-B is a kind of ultraviolet gas analyzerwhich is based on the spectral absorption and the Lambert-Beer's law. Theilluminant, gas cell, optical fiber and spectrograph (including the aperture,Holographic Grating and the Array Detector) compose the light path.


The visible ultraviolet light by illuminant goesthrough the optical window and into gas cell. It is absorbed by measured gas ingas cell. After that, the light which takes the measured gases’ data is focusedby lens then it coupled into the fiber. Next step, we can get the absorptionspectra of the gas thanks to the process of the spectrophotometry byspectrograph. At the last, according to the analysis of the spectra, we get themeasured gases ‘concentration.

 

Instrument character

1 Ituses ultraviolet absorption spectroscopy and the Chemometrics algorithm tomeasure the gas concentration. Real-time displaying and output the data byusing RS232 and RS485 in 4-20ma signal. The biggest characteristic is notaffected by moisture interference.

2 Zero calibration and correcting range automaticallyand manually.

3 Therelay-alarm output, it can set the alarm limitation with upper limit and thelower limit, the self-checking fault alarm.

4 TheLarge LCD display and 3U 19 inches case.

5Switch, analog signal’s output/input with flexible configuration

6 Thetwo ranges could be changed automatically (manually) or outside trigger. Rangeratio: 10:1

7 It canadjust spectral energy automatically when gas cell is polluted by measured gasthat makes the energy damping

 

Technology standard and certificate

1.CMCmeasuring instruments production license label (苏) 制 01000318号

2.ISO9001:2000quality system certification certificate number: EWC22705QR1

3. Theenterprise standard:Q/3201 ZCJ 01-2011

 

Oxygen Measuring& Technical Specification

l  Select advanced Oxygen Sensor, Long-termstability and reliability, Long lifetime 5 years in Air

l  No detection towards CO, CO2,NOx, H2S,H2,CH4

l  No warm up, Fast reaction, T90: 14±2s

l  Operation temperature range: 5 ~ 40℃

l  Measuringrange: 0~1%,10%,25%,50%,100%

l  Accuracy: ±0.1 FS


Guardian21气体分析仪种类

1   A   红外气体分析仪
2   B   紫外气体分析仪
3   C   激光分析仪
4   D   氧化锆分析仪
5   E   热导分析仪
6   F   电化学分析仪

 

可测量气体                    最小量程        最大量程

Gas                  Min-range    Max-range

1 CO(一氧化碳)      0~100ppm         0~100%

2 CO2(二氧化碳)      0~100ppm         0~100%
3 SO2(二氧化硫)      0~100ppm         0~10%
4 CH4(甲烷)         0~1000ppm      0~100%

4.1 Ethanol(甲醇)   0~5.5%

4.2 臭甲烷           0~2.5%

4.3 CH2O(甲醛)      0~10ppm

4.4 CH4(沼气)       0~1000ppm      0~100%

5 O2(氧气)          0~10ppm                      0~100%
6  NOx(氮氧化物)     0~100ppm         0~10%

6.1  NO(一氧化氮)    0~100ppm         0~10%

6.2  NO2(二氧化氮)   0~20ppm                      0~2000ppm

6.3  N2O(一氧化二氮) 0~2000ppm      0~100%
7 HCl(氯化氢)       0~10ppm                      0~10%
8 NH3(氨气)         0~20ppm                      0~10%
9.1 H2(氢气)            0~100ppm         0~100%

9.2 He(氦气)        0~5%                   0~100%

9.3 Ar(氩气)        0~5%                   0~100%

9.4 Xe(氙气)        0~5%                   0~100%

A   Cl2(氯气)       0~20ppm

B.1  C2H2(乙炔)      0~1000ppm      0~2.3%

B.2  C2H4(乙烯)      0~1000ppm      0~2.4%

 

 

Guardian21 Gas Analyzer Type

1   A   NDIR Gas Analyzer

2   B   Ultraviolet GasAnalyzer

3   C   Laser Gas Analyzer

4   D   ZrO Oxygen Analyzer

5   E   ThermalConductivity Gas Analyzer

6   F   Electric Chemical Gas Analyzer

 

 

可测量气体                    最小量程        最大量程

Gas                  Min-range    Max-range

B.3  C2H6(乙烷)      0~1000ppm      0~3%

B.4  乙醇(酒精)       0~5%

B.5  C2H4O(环氧乙烷)   0~3%

C.1  C3H6(丙烯)        0~2%

C.2  C3H8(丙烷)        0~2%                   0~100%

C.3  异丙醇           0~2%

D.1  C4H10(丁烷)       0~1.4%                0~100%

D.2  C5H12(戊烷)       0~1000ppm

D.3  C6H14(正己烷)     0~1000ppm

E   F2氟气           0~100ppm

F   HF氟化氢         0~10ppm

G   HBr溴化氢        0~100ppm

H   H2S硫化氢             0~200ppm

I   SF6六氟化硫       0~1000ppm

J   R22/R123a制冷剂     0~2000ppm

K   HCN氰化氢        0~50ppm

L   COCl2光气             0~1ppm

M   ClO2                      0~20ppm

N   O3臭氧           0~100ppm         0~50%

P   PH3磷化氢             0~5ppm

Q   SiH4硅烷         0~20ppm

 


 
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