丰满岳乱妇在线观看中字无码,漂亮的保姆5在线观看中文,把我绑在床头上夹奶头视频,免费人做人爱完整版视频

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,

更新時間:2025-01-15

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

国产精华2020| 英语课代表哭着说太深了视频| 国产日产人妻精品精品| 宝宝好涨水快流出来免费视频| 国产麻豆成人精品av| 久久精品99久久香蕉国产色戒| 香蕉久久精品日日躁夜夜躁| 麻豆影视在线直播视频| 一本色道久久爱88av| 免费无码一区二区三区a片百度| 肉色超薄丝袜脚交一区二区 | 成人美女黄网站色大免费的| 呦交小U女国产精品视频| 在线视频免费观看www动漫| 国产精品婷婷久久爽一下| 国产VA免费精品高清在线观看| 国产精品无码一本二本三本色| 亚洲男gay| 久久精品水蜜桃av综合天堂| 亚洲精品久久久久无码精品| 免费看又黄又无码的网站| 人妻熟女ΑⅤ一区二区三区| 蜜桃传媒在线观看高清hd| 国产美女在线精品免费观看| 丰满少妇呻吟高潮经历| 天堂AV无码大芭蕉伊人AV| 天天综合亚洲色在线精品| 久久久久久人妻一区二区三区 | 漂亮人妻被修理工侵犯| 中文字幕人成无码人妻综合社区 | 全程粗话对白视频videos| 亚洲日韩V无码中文字幕| 国产性色强伦免费视频| 久久久久亚洲AV成人网人人 | 亚洲精品久久久久一区二区三区| 色婷婷综合中文久久一本| 成 人 A V免费视频在线观看| 久久久久欧美精品| 久久av无码精品人妻糸列| 亚洲av蜜桃永久无码精品| 深夜a级毛片免费视频|