产品分类
PRODUCT CENTER
联系我们
销售电话：时经理
18121126516
021-64835787
产品详情
简单介绍：
乙炔气体检测管171 HC≡CH Acetylene，Measuring Range 0.05 to 0.1% 0.1 to 2.0% 2.0 to 4.0% Number of Pump Strokes 2 1 1/2 Correction Factor 1/2 1 2 Sampling Time 2 minutes per pump stroke Detecting，乙炔气体检测管价格
详情介绍：
乙炔气体检测管171 HC≡CH Acetylene
Acetylene No.171
Acetylene No.171
HC≡CH
| Performance |
MeasuringRange | 0.05 to 0.1% | 0.1 to 2.0% | 2.0 to 4.0% |
Number of PumpStrokes | 2 | 1 | 1/2 |
CorrectionFactor | 1/2 | 1 | 2 |
Sampling Time | 2 minutes per pumpstroke | ||
Detecting Limit | 0.02 % (n=2) | ||
Color Change | White → Brown | ||
Reaction Principle | HC | ||
| Coefficient ofVariation | 15% (for0.1 to 0.5 %), 10% (for 0.5 to 2 %) | ||
| ShelfLife | 3Years | ||
| Correctionsfor temperature & humidity | Temperature correction is necessary | ||
| Store the tubes inthe cool and dark place. | |||
CH + I| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Carbonmonoxide | 0.1% | Plus error | Produce brown stain |
Ethylene | 0.5% | Plus error | Produce brown stain |
More thanC3 HCs | - | Plus error | Produce brownstain |
| Othersubstance measurable with this detector tube |
Substance | Correction Factor | Pump Strokes | Measuring Range |
Benzene | 0.3 | 4 | 0.03 to 0.6% |
Ethylene | 1.0 | 1 | 0.1 to 2% |
1,1,1-Trichloroethane | 0.6 | 1 | 0.06 to1.2% |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| - | - | 2.5to 81% |