精品国产天线2019,色综合久久无码五十路人妻,亚洲熟悉妇女XXX妇女AV,亚洲H在线播放在线观看H

產(chǎn)品列表PRODUCTS LIST

首頁>產(chǎn)品中心>日本光明北川式氣體檢測管>氣體快速檢測管>175U氮氧化物NO+NO2氣體測毒管175U NITROGEN OXIDES 0.5-30ppm

氮氧化物NO+NO2氣體測毒管175U NITROGEN OXIDES 0.5-30ppm

簡要描述:

氮氧化物NO+NO2氣體測毒管175U NITROGEN OXIDES 0.5-30ppm,氮氧化物檢測儀,氮氧化物氣體檢測儀,便攜式氣體檢測儀,可燃?xì)怏w檢測儀,有毒氣體檢測儀.檢測儀采用進(jìn)口優(yōu)質(zhì)傳感器,質(zhì)量可靠,性能穩(wěn)定,證書齊備,超低濃度氮氧化物檢測儀,體檢測儀,氨氣檢測儀,氯氣檢測儀,硫化氫檢測儀,一氧化碳檢測儀,二氧化碳檢測儀,可燃?xì)怏w檢測儀,氧氣檢測儀,有毒性氣體檢測儀,復(fù)合型氣體檢測,室內(nèi)空氣污染檢測,氣味測試,煙氣分析,鍋爐效率,

更新時(shí)間:2025-03-11

在線留言
氮氧化物NO+NO2氣體測毒管175U NITROGEN OXIDES 0.5-30ppm

氮氧化物NO+NO2氣體測毒管175U NITROGEN OXIDES 0.5-30ppm

Tube 75U

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

日韩人妻无码精品一区二区三区| 国产精品亚洲А∨无码播放| 熟女肥臀白浆大屁股一区二区| 欧美激情性视频高清在线观看| 老熟妇仑乱一区二区视頻| 国产精品xxxx国产喷水 | 亚洲欧洲∨国产一区二区三区| 成人免费毛片aaaaaa片| 久久婷婷五月综合色国产香蕉| 亚洲第一是东京还是香港| 国产成人久久av免费| 中文字幕乱码人妻一区二区三区| 18无码av精品一区二区三区| 亚洲国产精品无码久久A片小说| 免费看大片软件| 欧美国产成人精品一区二区三区| 一本天堂Ⅴ无码亚洲道久久| 韩国一区二区三免费看| 97久久国产露脸精品国产| 日韩精品无码一本二本三本| 八戒八戒在线观看免费完整版| 亚洲欧美综合在线一区| 日本亲与子乱人妻hd| 9277在线观看免费播放| 欧美成人网站| 日本免费a片| 久久亚洲av成人无码国产电影 | 色欲av人妻精品麻豆av| 99国产欧美久久久精品| 无码人妻精品一区二区三区不卡| 亚洲AV永久无码国产精品久久| 尤物yw午夜国产精品视频| 狼人无码精华av午夜精品| 久久久久无码精品国产AV蜜桃1| 无码视频一区二区三区| 久久国产精品偷| 97高清视频在线观看免费| 成年免费a级毛片免费看无码| 久久99久久99精品中文字幕 | 久爱WWW人成免费网站下载 | 国产国产精品人在线视|