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乙醛气体检测管163LL Ethylene oxide
Ethylene oxide No.163LL
C2H4O
Performance |
MeasuringRange | 0.1 to 5 ppm | 5 to 10 ppm | |
Number of PumpStroke | 4 | 2 | |
CorrectionFactor | 1 | 2 | |
SamplingTime | 1.5 minutes per pumpstroke | ||
DetectingLimit | 0.05 ppm (n=4) | ||
ColorChange | Yellow → Paleorange | ||
ReactionFormula | C2H4O → 2HCHO | ||
Coefficient of Variation | 15%(for 0.1 to 0.5 ppm), 10% (for 1 to 5 ppm) | ||
Shelf Life | 1Year | ||
Corrections for temperature & humidity | Temperature correction is necessary | ||
Store the tubes inthe refrigerator to keep at 10oC (50oF) orbelow. |
Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Aldehydes | 1/10 times | Plus error | Discolor paleorange |
Ketones | - | Plus error | Discolor paleorange |
Alcohols | 1/10 times | No effect | Nodiscoloration |
Othersubstance measurable with this detector tube |
Calibration gasgeneration | Permeation tubemethod |
TLV-TWA | TLV-STEL | Explosive range |
1ppm | - | 3.6to 100% |
Ethylene oxide No.163LL
C2H4O
Performance |
MeasuringRange | 0.1 to 5 ppm | 5 to 10 ppm | |
Number of PumpStroke | 4 | 2 | |
CorrectionFactor | 1 | 2 | |
SamplingTime | 1.5 minutes per pumpstroke | ||
DetectingLimit | 0.05 ppm (n=4) | ||
ColorChange | Yellow → Paleorange | ||
ReactionFormula | C2H4O → 2HCHO | ||
Coefficient of Variation | 15%(for 0.1 to 0.5 ppm), 10% (for 1 to 5 ppm) | ||
Shelf Life | 1Year | ||
Corrections for temperature & humidity | Temperature correction is necessary | ||
Store the tubes inthe refrigerator to keep at 10oC (50oF) orbelow. |
Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Aldehydes | 1/10 times | Plus error | Discolor paleorange |
Ketones | - | Plus error | Discolor paleorange |
Alcohols | 1/10 times | No effect | Nodiscoloration |
Othersubstance measurable with this detector tube |
Calibration gasgeneration | Permeation tubemethod |
TLV-TWA | TLV-STEL | Explosive range |
1ppm | - | 3.6to 100% |