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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>117SD低浓度二氧化氮NO2气体检知管117SD NITROGEN DIOXIDE 0.1-1.0ppm

低浓度二氧化氮NO2气体检知管117SD NITROGEN DIOXIDE 0.1-1.0ppm

简要描述:

低浓度二氧化氮NO2气体检知管117SD NITROGEN DIOXIDE 0.1-1.0ppm,健康危害: 氮氧化物主要损害呼吸道。吸入气体初期仅有轻微的眼及上呼吸道刺激症状,如咽部不适、干咳等。常经数小时至十几小时或更长时间潜伏期后发生迟发性肺水肿、成人呼吸窘迫综合征,出现胸闷、呼吸窘迫、咳嗽、咯泡沫痰、紫绀等。可并发气胸及纵隔气肿。肺水肿消退后两周左右可出现迟发性阻塞性细支气管炎。慢性作用:主要表现为神经衷弱综合征及慢性呼吸道炎症。个别病例出现肺纤维化。可引起牙齿酸蚀症。

更新时间:2018-01-21

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低浓度二氧化氮NO2气体检知管117SD NITROGEN DIOXIDE 0.1-1.0ppm

低浓度二氧化氮NO2气体检知管117SD NITROGEN DIOXIDE 0.1-1.0ppm

Tube No.117SD
1. PERFORMANCE
1) Measuring range :0.1-1.0 ppm
Number of pump strokes 3(300ml)
2) Sampling time :2.25 minutes/3 pump strokes
3) Detectable limit :0.01 ppm(300ml)
4) Shelf life :1.5 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 3 pump strokes
7) Colour change :White→pale purple
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
4. CALIBRATION OF THE TUBE
PERMEATION TUBE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
1.0
0.8
0.6
0.4
0.2
0.1
300ml
ppm
(White)
DEHUMIDIFIER
117SC NITROGEN DIOXIDE
Substance Interference ppm Coexistence
Ozone aTfhfeec atecdc.uracy of readings is not 2 Higher readings are given.
Sulphur dioxide 〃7 Lower readings are given.
Chlorine Similar stain is produced. Higher readings are given.
Formaldehyde The accuracy of readings is not
affected.
Formic acid 〃
Carbon monoxide 〃
Carbon dioxide 〃
Ethanol 〃
NO2+H2N
CH3 CH3
NH2 Nitroso compound

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