无码欧美xxxxx在线观看裸,麻豆影视在线直播视频,久久夜色精品国产亚洲av动态图,色欲av午夜一区二区三区

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>173SA氯化氫HCl氣體檢測管173SA HYDROGEN CHLORIDE 20-1200ppm

氯化氫HCl氣體檢測管173SA HYDROGEN CHLORIDE 20-1200ppm

簡要描述:

氯化氫HCl氣體檢測管173SA HYDROGEN CHLORIDE 20-1200ppm,豫東科技是專業(yè)生產(chǎn)各種比長式氣體檢測管,比長式氣體檢測管在不用任何能源,電源的情況下,能夠快速檢測,具有操作簡單,攜帶方便等特點(diǎn),并可在空氣中對有害氣體的檢測.可對有限空間氣體快速準(zhǔn)確測量。

更新時(shí)間:2025-03-18

在線留言
氯化氫HCl氣體檢測管173SA HYDROGEN CHLORIDE 20-1200ppm

氯化氫HCl氣體檢測管173SA HYDROGEN CHLORIDE 20-1200ppm

Tube 73SA

1. PERFORMANCE
1) Measuring range :40-1,200 ppm 20-600 ppm
Number of pump strokes 1/2(50ml) 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :5 ppm
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 1 pump stroke
7) Colour change :Purple→Pink
2. RELATIVE STANDARD DEVIATION
RSD-low:5% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
By reacting witl alkali, PH indicator is discoloured.
HCI+NaOH→NaCI+H2O
4. CALIBRATION OF THE TUBE
COLOURIMETRY METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
??????
GAS To pump
DETECTOR TUBE
(white)
DEHUMIDIFIER TUBE
600
500
400
300
200
100
100
20
100ml
ppm
173SA HYDROGEN CHLORIDE
Substance Interference ppm Coexistence
Sulphur dioxide Yellow - Pink double - layer stains are
FIG.1 Yellow stain is produced. pHroyddruocgeedn a cnhdlo trhidise p cinokn csetanitnra intiodnic.ates
Chlorine 〃
Hydrogen sulphide 500 The accuracy of readings is not affected.
(NOTE)
In case of 1 / 2 pump strokes, following formula is available for the actual concentration.
Actual concentration=2×Reading value
0
600
400
200
Sulphur dioxide〔ppm〕?
FIG.1 Influence of Sulphur dioxide

国产乱码精品一区二区三区久久 | 亚洲18色成人网站www| 欧美精品一区二区蜜臀亚洲| 原来是神马琪琪在线观看| 欧美黑人又粗又大的性格特点| 久久www免费人成一看片| 久久躁狠狠躁夜夜av| 久久人人97超碰a片精品| 亚洲444KKKK在线观看无码| 蜜臀av在线播放一区二区三区| 永久域名18勿进永久域名在线| 国产精品久久久久久福利| 香蕉久久精品日日躁夜夜躁| 嫂子的职业在线观看| 精品无码人妻被多人侵犯AV| 久久综合伊人77777麻豆| 丰满白嫩少妇肉肉大HD | 国产午夜福利久久精品| 亚洲a片成人无码av| 上司人妻互换hd无码中文字幕| 每日更新在线观看av_手机 | 特黄熟妇丰满人妻无码| 精品国精品国产自在久国产不卡| 日韩激情无码激情a片免费软件| 日本久久久久久久做爰片日本 | 99国产精品久久久久久久日本竹| 伊人久久大香线蕉影院| 亚洲AV日韩精品久久久久久久| 两个人看的www视频免费完整版| 国产在线| 国产色情一区二区视频| 亚洲a∨无码一区二区三区 | 精产国品一二三产区区别在线观看| 天天狠天天透天干天天怕∴| 国产性色AV高清在线观看| 少妇高潮惨叫久久久久久| 无码一区二区三区在线| 精品国产粉嫩内射白浆内射双马尾 | 亚洲av午夜精品一区二区三区| 久久久精品国产sm调教网站| 国产三级在线观看完整版|