如果用于应急事故、检漏和巡视,应当使用泵吸式、响应时间短、灵敏度和分辨率较高的有毒气体检测仪,因此在选择有毒有害气体检测仪之前要先确认所要检测气体种类和浓度范围。
单一气体检测仪选型指导:
每一个生产部门所遇到的气体种类都是不同的。在选择有毒气体检测仪时就要考虑到所有可能发生的情况。
如果甲烷和其它毒性较小的烷烃类居多,选择LEL检测仪无疑是为合适的。这不仅是因为LEL检测仪原理简单,应用较广,同时它还具有维修、校准方便的特点。
如果存在一氧化碳、硫化氢等有毒气体,就要优先选择一个特定气体有毒气体检测仪才能保证工人的安全。
以pac5500,pac7000,x-am5100为例进行单一气体检测仪选型:
Gas |
Chinese Name |
STEL (mg/m3) |
Sensor |
Resolution |
Pac 3500/ Pac 5500 |
Pac 7000 |
X-am 5100 |
Acetaldehyde |
乙醛 |
45 |
XXS OV-A, XS OV |
1 ppm |
|
● |
|
Acetylene |
乙炔 |
|
XXS OV-A, XS OV |
1 ppm |
|
● |
|
Acrylonitrile |
丙烯腈 |
2 |
XXS OV-A,XS OV-A |
1 ppm |
|
● |
|
Ammonia |
氨气 |
30 |
NH3, Amine |
1 ppm |
|
● |
|
Arsine |
砷化氢/胂化氢 |
0.03 |
Hydride, XXS PH3 |
0.01 ppm |
|
● |
|
Bromine |
溴 |
2 |
Cl2 |
0.05ppm |
|
● |
|
Butadiene |
丁二烯 |
5 |
XXS OV, XS OV |
1 ppm |
|
● |
|
sec-Butyl Mercaptan |
2-丁基硫醇 |
1 |
Odorant |
0.5ppm |
|
|
|
tert-Butyl Mercaptan |
特丁基硫醇 |
1 |
Odorant |
0.5ppm |
|
|
|
Carbon Dioxide |
二氧化碳 |
18000 |
CO2 |
0.1 Vol%. |
|
● |
|
IR CO2 |
0.01Vol% |
|
|
|
|||
IR Ex/CO2 |
0.01Vol% |
|
|
|
|||
IR CO2 HC |
0.2 Vol% |
|
|
|
|||
Carbon Monoxide |
一氧化碳 |
30 |
CO |
2 ppm |
● |
● |
|
CO-HC |
5 ppm |
|
|
|
|||
CO/H2S |
2 ppm |
|
|
|
|||
CO/H2 compensate |
2 ppm |
|
|
|
|||
Chlorine |
氯气 |
1 |
Cl2 |
0.05 ppm |
|
● |
|
Chlorine Dioxide |
二氧化氯 |
0.8 |
Cl2 |
0.05 ppm |
|
● |
|
ClO2 |
0.01ppm |
|
|
|
|||
Cyanogen |
氰 |
|
XXS HCN |
0.1 ppm |
|
|
|
Diborane |
乙硼烷 |
0.1 |
Hydride, XXS PH3 |
0.01ppm |
|
● |
|
Diethylamine |
二乙胺 |
|
Amine |
1 ppm |
|
|
|
Diethyl Ether |
二乙醚 |
|
XXS OV-A, XS OV |
1 ppm |
|
● |
|
Dimethylamine |
二甲胺 |
10 |
Amine |
1 ppm |
|
|
|
Dimethyl Sulfide |
二甲基硫醚 |
|
Odorant |
0.5ppm |
|
|
|
Dimethyl Disulfide |
二甲基二硫化物 |
|
Odorant |
0.5ppm |
|
|
|
Epichlorohydrin (1-chloro-2,3 Epoxypropane) |
表氯醇 1-氯-2,3环氧丙 烷 |
|
XXS OV, XS OV-A |
1ppm |
|
● |
|
Ethanol |
乙醇 |
|
XXS OV-A, XS OV |
1 ppm |
|
● |
|
Ethylamine |
乙胺 |
18 |
Amine |
1ppm |
|
|
|
Ethyl Mercaptan |
乙硫醇 |
1 |
Odorant |
0.5ppm |
|
|
|
Ethylene |
乙烯 |
|
XXS OV, XS OV |
0.5ppm |
|
● |
|
Ethylene Oxide |
环氧乙烷 |
2 |
XXS OV,XXS OV-A, XS OV, XS OV-A |
0.5ppm |
|
● |
|
Formaldehyde |
甲醛 |
0.5 |
XXS OV, XS OV |
1 ppm |
|
● |
|
Fluorine |
氟 |
2 |
Cl2 |
0.05ppm |
|
● |
|
Germane |
锗烷 |
|
Hydride |
0.01 ppm |
|
|
|
Gas |
Chinese Name |
STEL (mg/m3) |
Sensor |
Resolution |
Pac 3500/ Pac 5500 |
Pac 7000 |
X-am 5100 |
Hydrobromide |
溴化氢 |
10 |
HBr |
0.1 ppm |
|
|
● |
Hydrogen |
氢气 |
|
H2 |
5 ppm |
|
|
|
XS H2 HC, Cat Ex, XXS H2 HC |
0.1 Vol% |
|
|
|
|||
Hydrogen Chloride |
氯化氰 |
7.5 |
HF/HCl |
0.1 ppm |
|
|
● |
Hydrogen Cyanide |
氰化氢 |
1 |
HCN |
0.1 ppm |
|
● |
|
Hydrogen Fluoride |
氟化氢 |
2 |
HF/HCl |
0.1 ppm |
|
|
● |
Hydrogen Peroxide |
过氧化氢/双氧水 |
1.5 |
H2O2 |
0.1 ppm |
|
|
● |
Hydrogen Sulfide |
硫化氢 |
10 |
H2S |
1 ppm |
● |
● |
|
H2S LC |
0.1 ppm |
|
|
|
|||
H2S -HC |
1 ppm |
|
|
|
|||
H2S/CO |
1 ppm |
|
|
|
|||
Hydrogen Selenide |
硒化氢 |
0.3 |
XXS PH3 |
0.01 ppm |
|
● |
|
Isobutene |
异丁烯 |
|
XXS OV-A, XS OV-A |
1 ppm |
|
● |
|
Iso-Propanol |
异丙醇 |
700 |
XXS OV, XS OV |
1 ppm |
|
● |
|
Methanol |
甲醇 |
50 |
XXS OV, XS OV |
0.5 ppm |
|
● |
|
Methyl Amine |
甲胺 |
|
Amine |
1 ppm |
|
|
|
Methyl methacrylate |
甲基丙烯酸酯 |
100 |
XXS OV, XS OV-A |
1 ppm |
|
● |
|
Methyl Mercaptan |
甲硫醇 |
1 |
Odorant |
0.5 ppm |
|
|
|
Nitric Acid |
硝酸 |
|
HF/HCl |
0.1 ppm |
|
|
● |
Nitric Oxide |
一氧化氮 |
15 |
NO |
0.5 ppm |
|
|
|
Nitrogen Dioxide |
二氧化氮 |
10 |
NO2 |
0.1 ppm |
|
● |
|
Oxygen |
氧气 |
|
O2 |
0.1 Vol% |
● |
● |
|
O2 HC |
0.5 Vol% |
|
|
|
|||
Ozone |
臭氧 |
|
XXS Ozone |
0.01 ppm |
|
|
|
Phosphine |
磷化氢 |
0.3 |
Hydride, XXS PH3 |
0.01 ppm |
|
● |
|
PH3-HC, XXS PH3 HC |
1 ppm |
|
|
|
|||
Phosphorus oxychloride |
三氯氧化磷 |
0.6 |
HCl/HF |
0.1 ppm |
|
|
● |
Phosphorous Trichloride |
三氯化磷 |
2 |
HCl/HF |
0.1 ppm |
|
|
● |
Propene |
丙烯 |
|
XXS OV, XS OV |
1 ppm |
|
● |
|
Propylene Oxide |
环氧丙烷 |
5 |
XXS OV, XS OV |
0.5 ppm |
|
● |
|
Silane |
四氢化硅,硅烷 |
0.6 |
Hydride, XXS PH3 |
0.01 ppm |
|
● |
|
Styrene |
苯乙烯 |
100 |
XXS OV, XS OV-A |
1 ppm |
|
● |
|
Sulfur Dioxide |
二氧化硫 |
10 |
SO2 |
0.1 ppm |
|
● |
|
tetrahydrofuran |
四氢呋喃 |
300 |
XXS OV, XS OV |
1 ppm |
|
● |
|
Tetrahydrothiophene |
四氢噻吩 |
|
Odorant |
0.5 ppm |
|
|
|
Triethylamine |
三乙胺 |
|
Amine |
1 ppm |
|
|
|
Trimethylamine |
三甲胺 |
|
Amine |
1 ppm |
|
|
|
Vinyl acetate |
乙酸乙烯酯 |
300 |
XXS OV-A, XS OV |
1 ppm |
|
● |
|
Vinyl Chloride |
氯乙烯 |
10 |
XXS OV, XS OV |
0.5 ppm |
|
● |
|
有毒气体检测仪在进行工业卫生检测和健康调查的情况时,具有数据记录和统计计算以及可以联接计算机等功能的有毒气体检测仪应用起来就非常方便,具体气体检测仪选型请电话咨询专业人士,可为您节省选型时间。