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產(chǎn)品型號280S
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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 14:47:51瀏覽次數(shù):1302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
乙炔乙烯分開測氣體檢測管280S ACETYLENE?ETHYLENE HC≡CH、H2C=CH2 20-300ppm(C2H2),200-2,000ppm(C2H4)
1. PERFORMANCE
1) Measuring range:
Acetylene 20-300 ppm
Ethylene 200-2000 ppm
Number of pump strokes 1(100mr)
2) Sampling time :3 minutes/1 pump stroke with orifice
3) Detectable limit :
Acetylene 0.1 ppm
Ethylene 1 ppm
4) Shelf life :1 year
5) Operating temperature :10~40℃
6) Temperature compensation:
Acetylene No temperature correction is necessary.
Ethylene Necessary(refer to "Table 2. Temperature CorrectionTable")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change:
Acetylene Yellow→Dark brown
Ethylene Pale yellow→Blue
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
Acetylene detector tube:C2H2+K2Pd(SO3)2→Pd
Ethylene detector tube:C2H2+PdSO4+(NH4)2Mo3O5
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
ppm
2000
ppm
1800
1600
1400
1200
1000
800
600
400
300
250
200
150
100
50
20
200
Tube No.
280S ACETYLENE ETHYLENE
TEMPERATURE CORRECTION TABLE
Tube Corrected Concentration (%)
Readings 10℃ 20℃ 30℃ 40℃
(ppm) (50°F) (68°F) (86°F) (104°F)
2000 1550 2000
1800 1400 1800 2050
1600 1300 1600 1900
1400 1150 1400 1600
1200 1000 1200 1400
1000 900 1000 1200
800 750 800 950
600 600 600 700
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