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：
乙醇气体检测管112L Ethanol C2H5OH，Measuring Range 50 to 100 ppm 100 to 2000 ppm Number of Pump Strokes 2 1 Correction Factor 1/2 1 Sampling Time 4 minutes per pump乙醇气体检测管112L Ethanol C2H5OH
详情介绍：
乙醇气体检测管112L Ethanol C2H5OH
Ethanol No.112L
C2H5OH
| Performance |
MeasuringRange | 50 to 100 ppm | 100 to 2000ppm |
Number of PumpStrokes | 2 | 1 |
CorrectionFactor | 1/2 | 1 |
SamplingTime | 4 minutes per pumpstroke | |
DetectingLimit | 5 ppm (n=2) | |
Color Change | Pink → Paleblue | |
Reaction Principle | C2H5OH + Cr6+ + H2SO4 →Cr3+ | |
| Coefficient ofVariation | 15% (for50 to 500 ppm), 10% (for 500 to 2000 ppm) | |
| ShelfLife | 3Years | |
| Correctionsfor temperature & humidity | Temperature correction is necessary | |
| Store the tubes at cool and darkplace. | ||
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Alcohols | + | Paleblue |
| Othersubstance measurable with this detector tube |
| Calibration gasgeneration | Diffusion tube method | |
| TLV-TWA | TLV-STEL | Explosive range |
| 1000ppm | - | 3.3 to19% |