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光氣COCl2氣體檢測管146S PHOSGENE 0.1-20ppm,氣體檢測技術只需使用檢測管和采集器就可對氣體進行檢測。操作簡單,極易掌握,有著廣泛的應用,可以在很多領域發揮作用。其中包括:重工業:鋼鐵、造船、汽車、造紙等,制造業:食品、家電、半導體等,石化業:化學工業、石油精煉等,能源領域:天然氣、電力等,工程施工現場:下水道、燃氣工程、建設工地等,科研:研究室、實驗室等,交通:電車、飛機、船舶、公共汽車或長途車等,醫療機構:醫院、診療所、保健所等,事務所:辦公室、會議室、大廳、演藝室等
更新時間:2024-12-19
在線留言光氣COCl2氣體檢測管146S PHOSGENE 0.1-20ppm
Tube 46S
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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