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硫化氢二氧化硫检测管 45S
点击次数:189发布时间:2012/3/20 11:03:11
更新日期:2012/9/21 14:20:27
所 在 地:其它
产品型号:45S
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详细内容
硫化氢二氧化硫检测管 45S
的详细介绍硫化氢二氧化硫检测管 45S
Hydrogen sulphide, sulphur Dioxide No.45S
H2S+SO2 (Separete quantification)
Performance |
Name ofGas | SO2 tube | H2S tube | SO2 tube | H2S tube | SO2 tube | H2S tube |
MeasuringRange | 2.5 to 0.5 | 12.5 to 2.5 | 0.5 to 10 | (2.5) to 60 | 10 to 20 | 60 to 120 |
PumpStrokes | 2 | 1 | 1/2 | |||
CorrectionFactor | 1/2 | 1 | 2 | |||
SamplingTime | 1 minute per pumpstroke | |||||
DetectingLimit | 0.05 ppm (n=2) | |||||
ColorChange | SO2tube : Yellowish green → Yellow | |||||
Reaction Formula | SO2tube: | |||||
Coefficient of Variation | SO2 tube: 10% (for 0.5 to 2 ppm), 5% (for 2 to 10 ppm) | |||||
Shelf Life | 3 Years | |||||
Corrections for temperature & humidity | Unnecessary | |||||
Store the tubes at cool and darkplace. |
Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself | ||
SO2 tube | H2S tube | SO2 tube | H2S tube | ||
Nitrogendioxide | 5 ppm | Pluserror | Noeffect | Pale purple | No discoloration |
Nitrogenmonoxide | - | No effect | No effect | No discoloration |
Othersubstance measurable with this detector tube |
Calibration gasgeneration | Permeation tube method |
TLV-TWA | TLV-STEL | Explosive range |
SO2 :2ppm H2S : 10ppm | SO2 :5ppm H2S : 15ppm | H2S : 4.0 to 44% |