国产激情久久久久影院老熟女,亚洲av午夜精品无码专区,欧美熟妇另类久久久久久多毛,国产精品户外野外

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:2025-10-28

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

成人一区二区三区国产精品| 精品无人区一线二线三线区别| 亚洲av免费不卡一区二区| 精品人妻无码一区二区三区不卡| 午夜精品一区二区三区在线观看| 欧美精品一区二区少妇免费a片| 久久婷婷国产综合精品| 激情综合五月| 日本久久高清一区二区三区毛片| 色欲久久久天天天综合网| 熟妇人妻中文字幕| 久久久国产成人一区二区| 欧美激情精品久久| 国产自愉自愉免费精品区| 久久不见久久见免费影院| 精品偷自拍另类精品在线| 中国无码人妻丰满熟妇啪啪软件| 99热精品久久只有精品| 精品无码欧美一区二区三区不卡 | 国内精品人妻无码久久久影院蜜桃| 蜜臀91精品高清国产福利 | 国产精品久久久久影院老司| 挺进邻居丰满少妇的身体| 91精品国语对白人妻刺激| a级国产理论片在线播放| 亚洲第一av一区二区三区| 亚洲老妇女一区二区三区| 亚洲成AV人片无码不卡| 久久九九99精品久久久| 荡乳尤物nph| 欧美激情第一区二区三区| 播五月色五月开心五月网| 欧美v亚洲v综合v国产v| 在线观看亚洲色自拍一区| 帅哥舔美女b视頻app| 国产亚洲精品久久久久久久| 国产成人免费ā片在线观看| 日产精品一线二线三线芒果| 国产成人精品自拍在线观看 | 蜜臀av色欲a片无码精品一区| 少妇AV射精精品蜜桃专区|