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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>156S氟化氢HF气体检测管156S HYDROGEN FLUORIDE 0.17-30ppm

氟化氢HF气体检测管156S HYDROGEN FLUORIDE 0.17-30ppm

简要描述:

氟化氢HF气体检测管156S HYDROGEN FLUORIDE 0.17-30ppm,是一种极强的腐蚀剂,有剧毒。它是无色的气体,但是在空气中,只要超过3ppm就会产生刺激的味道。八小时日时量平均容许浓度(TLV):3ppm,短时间时量平均容许浓度(S):6ppm,呼吸防护:30ppm以下:含防HF 滤罐的动力型空气净化式或全面型化学滤罐式呼吸防护具、含防HF 滤罐的防毒面罩、全面型自携式或供气式呼吸防护具

更新时间:2017-08-14

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氟化氢HF气体检测管156S HYDROGEN FLUORIDE 0.17-30ppm

氟化氢HF气体检测管156S HYDROGEN FLUORIDE 0.17-30ppm

Tube No.156S

1. PERFORMANCE
1) Measuring range :0.5-30 ppm 0.25-15 ppm
Number of pump strokes 3(300ml) 6(600ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.2 ppm(300ml)
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 3 pump strokes
8) Colour change :Greenish yellow→Pink
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
PH indicator is discoloured by Hydrogen fluoride.
4. CALIBRATION OF THE TUBE
PERMEATION TUBE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
1
0.5
5
10
15
20
25
30
300ml
ppm

􀀀􀀀
156S HYDROGEN FLUORIDE
Substance Interference Coexistence
Chlorine FIG.1 Similar stain is produced. Higher readings are given.
Hydrogen chloride FIG.2 〃〃
(NOTE)
1)This detector tube is affected by ambient temperature and humidity,therefore, it is necessary to compensate
the reading of gas detector tube with the following equation and correction coefficient table.
Actual concentration=Reading Value×Correction Coefficient
2)In case of 6 pump strokes, following formula is available for the actual concentration.
Actual concentration=1/2×Temp./R.H. corrected value
0
30
40
20
10
Chlorine〔ppm〕�
FIG.1 Influence of Chlorine
Hydrogen fluorine
indicating value 〔ppm〕
2 4 6 8 10 0
30
40
20
10
Hydrogen chloride〔ppm〕�
FIG.2 Influence of Hydrogen chloride
Hydrogen fluorine
indicating value 〔ppm〕
10 20 30
TEMP./R.H.CORRECTION COEFFICIENT TABLE
Relative Temperature
Humidity 0℃ 10℃ 20℃ 30℃ 40℃
(%) (32°F) (50°F) (68°F) (86°F) (104°F)
30 0.9 0.7 0.6 0.55 0.5
40 1.6 1.0 0.8 0.65 0.6
50 2.6 1.3 1.0 0.7 0.7
60 - 2.2 1.5 1.1 0.8
70 - - 2.7 1.6 0.9
80 - - - 2.9 1.1

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