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

久久日产一线二线三线| 国产成人AV在线免播放观看新| 亚洲av第一成肉网| 97人妻人人揉人人躁人人| 白嫩少妇bbw撒尿视频| 日韩av无码免费播放| 国产精品久久久久久福利| 色欲久久综合亚洲精品蜜桃| 国产成人精品久久| 一二三四免费观看在线视频中文版 | 狠狠88综合久久久久综合网 | .精品久久久麻豆国产精品| 一个人看的www片免费高清中文| 老汉精品免费av在线播放| 无码 人妻 在线 视频| 国产精品Ⅴ无码大片在线看| bdb14黑人巨大视频| 胡桃大战史莱姆视频链接免费 | 无码少妇一区二区三区芒果 | 欧美人与动性XXXXX杂| 中字幕视频在线永久在线观看免费 | 亚洲av中文无码字幕色三| 人妻无码一区二区不卡无码av| 久久精品久久久久观看99水蜜桃| 亚洲国产精品日韩AV不卡在线 | 8888四色奇米在线观看| 永久黄网站色视频免费直播| 日韩精品人妻系列无码av东京 | 久久精品久久久久观看99水蜜桃| 亚洲av无码一区东京热久久| 久久综合99re88久久爱| 金瓶梅1-5集观看完整版| 亚洲一线产区二线产区地图| 亚洲暴爽av天天爽日日碰| 成人无码H免费动漫在线观看 | 国产伦孑沙发午休精品| 亚洲av无码一区二区二三区软件| 中文字幕爆乳julia女教师| 久久精品九九热无码免贵| 亚洲av成人片色在线观看高潮| 亚洲精品欧美二区三区中文字幕|