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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) 氣體檢測管是用來檢測某種氣體在某一環(huán)境中所含濃度的簡易檢測裝置,通過檢測劑與被檢測氣體的反應而出現(xiàn)顏色變化,來表示所測環(huán)境中的氣體濃度。在不用任何能源、電源的情況下,具有操作簡單、使用范圍廣、檢測準確、即時性強和經(jīng)濟的特點。
更新時間:2024-12-18
在線留言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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