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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>175U氮氧化物NO+NO2气体测毒管175U NITROGEN OXIDES 0.5-30ppm

氮氧化物NO+NO2气体测毒管175U NITROGEN OXIDES 0.5-30ppm

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氮氧化物NO+NO2气体测毒管175U NITROGEN OXIDES 0.5-30ppm,氮氧化物检测仪,氮氧化物气体检测仪,便携式气体检测仪,可燃气体检测仪,有毒气体检测仪.检测仪采用进口优质传感器,质量可靠,性能稳定,证书齐备,超低浓度氮氧化物检测仪,体检测仪,氨气检测仪,氯气检测仪,硫化氢检测仪,一氧化碳检测仪,二氧化碳检测仪,可燃气体检测仪,氧气检测仪,有毒性气体检测仪,复合型气体检测,室内空气污染检测,气味测试,烟气分析,锅炉效率,

更新时间:2017-08-25

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氮氧化物NO+NO2气体测毒管175U NITROGEN OXIDES 0.5-30ppm

氮氧化物NO+NO2气体测毒管175U NITROGEN OXIDES 0.5-30ppm

Tube No.175U

1. PERFORMANCE
1) Measuring range :1.0-30 ppm 0.5-15 ppm
Number of pump strokes 1/2(50ml) 1(100ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.2 ppm(100ml)
4) Shelf life :3 years(Necessary to store in a refrigerated place ; 0~10℃)
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 1 pump stroke
7) Colour change :White→Pale purple
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
NO ; By reacting with an Oxidizer, NO2 is produced.
NO+CrO3+H2SO4→NO2
NO2+3, 3’-Dimethylnaphthidine→Nitroso-compound
NO2 ; By reacting with 3, 3’-Dimethylnaphthidine, Nitroso-compound is produced.
NO2+3, 3’-Dimethylnaphthidine→Nitroso-compound
4. CALIBRATION OF THE TUBE
NO ; STANDARD GAS CYLINDER METHOD
NO2 ; PERMEATION TUBE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
0.5
1
2
3
5
10
15
ppm
100ml
GAS To pump
PRETREAT REAGENT
(Reddish brown)
Substance Interference ppm Coexistence
Chlorine Similar stain is produced. The accurecy of reading is not
affected.
Hydrogen chloride 〃〃
Sulphur dioxide Tafhfeec atecdc.uracy of reading is not 500 Lower readings are given.
Hydrogen sulphide 〃5 〃
Ozone 〃
Hexane 〃
Laughing gas 〃
(NOTE)
In case of 1 / 2 pump strokes, following formula is available for the actual concentration.
Actual concentration=2×Reading value
175U NITROGEN OXIDES

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