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首页>产品中心>日本光明北川式气体检测管>气体快速检测管>146S光气COCl2气体检测管146S PHOSGENE 0.1-20ppm

光气COCl2气体检测管146S PHOSGENE 0.1-20ppm

简要描述:

光气COCl2气体检测管146S PHOSGENE 0.1-20ppm,气体检测技术只需使用检测管和采集器就可对气体进行检测。操作简单,极易掌握,有着广泛的应用,可以在很多领域发挥作用。其中包括:重工业:钢铁、造船、汽车、造纸等,制造业:食品、家电、半导体等,石化业:化学工业、石油精炼等,能源领域:天然气、电力等,工程施工现场:下水道、燃气工程、建设工地等,科研:研究室、实验室等,交通:电车、飞机、船舶、公共汽车或长途车等,医疗机构:医院、诊疗所、保健所等,事务所:办公室、会议室、大厅、演艺室等

更新时间:2017-07-15

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光气COCl2气体检测管146S PHOSGENE 0.1-20ppm

光气COCl2气体检测管146S PHOSGENE 0.1-20ppm

Tube No.146S
1. PERFORMANCE
1) Measuring range :0.5-20 ppm 0.1-0.5 ppm
Number of pump strokes 1(100ml) 5(500ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.05 ppm(500ml)
4) Shelf life :1 year (Necessary to store in a refrigerated place ; 0~10℃)
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :White→Red
2. RELATIVE STANDARD DEVIATION
RSD-low:15% RSD-mid.:10% RSD-high:5%
3. CHEMICAL REACTION
By reacting with Nitro-benzyl pyridine, urea derivative is produced.
This urea derivative reacts with Benzyl aniline and dyestuff is produced.
4. CALIBRATION OF THE TUBE
COLOURIMETRY METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
20.0
15.0
10.0
5.0
3.0
1.0
0.5
ppm
100ml
GAS To pump
DEHUMIDIFIER
(White)
146S PHOSGENE
0
10
5
Nitrogen dioxide〔ppm〕�
FIG.1 Influence of Nitrogen dioxide
Phosgene indicating value 〔ppm〕
10 20 30
Substance Interference ppm Coexistence
Nitrogen dioxide Yellow stain is produced. 100 Yellow stain is produced and higher
FIG.1 readings are given.
Chlorine 5 Discolouration is faded from the gas
inlet edge.
Hydrogen chloride 10 〃
Sulphur dioxide 0.2% 〃
(NOTE)
When the concentration is below 0.5 ppm, 5 pump strokes can be used to determine the lower concentration.
Following formula is available for the actual concentration.
Actual concentration=1/5×Temperature corrected value
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
20 13.5 17.0 20.0 21.8 23.0
15 10.5 12.8 15.0 16.5 17.5
10 7.0 8.6 10.0 11.0 11.8
5 3.5 4.3 5.0 5.5 5.8
3 3.0 3.0 3.0 3.0 3.0

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