產品列表PRODUCTS LIST
低濃度二氧化氮NO2氣體檢知管117SD NITROGEN DIOXIDE 0.1-1.0ppm,健康危害: 氮氧化物主要損害呼吸道。吸入氣體初期僅有輕微的眼及上呼吸道刺激癥狀,如咽部不適、干咳等。常經數小時至十幾小時或更長時間潛伏期后發生遲發性肺水腫、成人呼吸窘迫綜合征,出現胸悶、呼吸窘迫、咳嗽、咯泡沫痰、紫紺等。可并發氣胸及縱隔氣腫。肺水腫消退后兩周左右可出現遲發性阻塞性細支氣管炎。慢性作用:主要表現為神經衷弱綜合征及慢性呼吸道炎癥。個別病例出現肺纖維化。可引起牙齒酸蝕癥。
更新時間:2024-12-19
在線留言低濃度二氧化氮NO2氣體檢知管117SD NITROGEN DIOXIDE 0.1-1.0ppm
Tube 17SD
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
上一篇:117SB二氧化氮NO2氣體測毒管117SB NITROGEN DIOXIDE 0.5-30ppm
下一篇:111U正壬烷CH3(CH2)7CH3氣體檢測管111U n-Nonane 5-160ppm
返回列表>>相關產品