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當(dāng)前位置:上海境宣實(shí)業(yè)有限公司>>日本光明北川式氣體檢測管>>氣體快速檢測管>> 238S糠醇C4H3OCH2OH氣體檢測管238S FURFURYL ALCOHOL 2-25ppm
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產(chǎn)品型號238S
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廠商性質(zhì)代理商
所 在 地上海市
更新時(shí)間:2024-11-27 19:17:40瀏覽次數(shù):1256次
聯(lián)系我時(shí),請告知來自 化工儀器網(wǎng)室內(nèi)空氣甲醛檢測管No.713 FORMALDEHYDE 0.01-0
氯乙烯CH2=CHCl氣體測毒管132SC VINYL CHLORID
氯乙烯CH2=CHCl氣體檢知管132SB VINYL CHLORID
糠醇C4H3OCH2OH氣體檢測管238S FURFURYL ALCOHOL 2-25ppm
Tube No.238S
1. PERFORMANCE
1) Measuring range :2-25 ppm
Number of pump strokes 5(500ml)
2) Sampling time :5 minutes/5 pump strokes
3) Detectable limit :0.5 ppm
4) Shelf life :1 year
5) Operating temperature :10~40℃
6) Operating Humidity :Not affected at 20~90%RH
7) Reading :Direct reading from the scale calibrated by 5 pump strokes
8) Colour change :White→Black
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
By reacting with Chromic acid, Polymer is produced.
4. CALIBRATION OF THE TUBE
DIFFUSION TUBE METHOD
????
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GAS To pump
25
20
15
10
5
2
500ml
ppm
(White)
DEHUMIDIFIER
238S FURFURYL ALCOHOL
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
60 - - 60 35 25
50 - - 50 30 22
40 - 80 40 25 15
30 - 50 30 20 10
20 50 30 20 14 7
15 30 20 15 10 5
10 15 12 10 7 3
5 7 6 5 4 2
2 2 2 2 2 2
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