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:
乙醇酒精检测管112 Ethanol C2H5OHMeasuring Range 0.01 to 0.05% 0.05 to 2.5% 2.5 to 7.5% Number of Pump Strokes 2 1 1/2 Correction Factor 0.2 1 3 Sampling Time 3 minutes乙醇酒精检测管112 Ethanol C2H5OH
详情介绍:
乙醇酒精检测管112 Ethanol C2H5OH
Ethanol No.112
C2H5OH
| Performance |
MeasuringRange | 0.01to 0.05% | 0.05to 2.5% | 2.5to 7.5% |
Number of Pump Strokes | 2 | 1 | 1/2 |
CorrectionFactor | 0.2 | 1 | 3 |
SamplingTime | 3 minutes per pumpstroke | ||
DetectingLimit | 0.004% (n=2) | ||
ColorChange | Pink → Paleblue | ||
ReactionPrinciple | C2H5OH + Cr6+ + H2SO4 → Cr3+ | ||
| Coefficient ofVariation | 15% (for0.05 to 0.5 %), 10% (for 0.5 to 2.5 %) | ||
| 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 |
Carbonmonoxide | - | No effect | Nodiscoloration |
Carbondioxide | - | No effect | Nodiscoloration |
Alcohols | - | Plus error | Produce similarstain |
| Othersubstance measurable with this detector tube |
| Calibration gasgeneration | Static gas dilution method | |
| TLV-TWA | TLV-STEL | Explosive range |
| 1000ppm | - | 3.3 to19% |
