企业信息
第17年
- 入驻时间： 2007-03-05
- 联系人：时先生
- 电话：64835787
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- Email：shenlinshi@hotmail.com
产品详情
简单介绍：
低级碳氢化合物检测管103 Hydrocarbons (Lower Class) C2C7，Measuring Range 0.05 to 0.1% 0.1 to 1.2% 1.2 to 2.4% Number of Pump Strokes 2 1 1/2 Correction Factor 1/2 1 2 Sampling气体检测管价格
详情介绍：
低级碳氢化合物检测管103 Hydrocarbons
Hydrocarbons (Lower Class)No.103
C2 to C7
| Performance |
MeasuringRange | 0.05 to 0.1% | 0.1 to 1.2% | 1.2 to 2.4% |
Number of Pump Strokes | 2 | 1 | 1/2 |
CorrectionFactor | 1/2 | 1 | 2 |
SamplingTime | 2 minutes per pumpstroke | ||
DetectingLimit | 0.01% (n=2) | ||
ColorChange | Yellowish brown →Greenish brown | ||
ReactionPrinciple | Hydorocarbon(C2 + C7) +Cr6+ + H2S2O7 →Cr3+ | ||
| Coefficient ofVariation | 10% (for0.1 to 1.2 %) | ||
| ShelfLife | 2Years | ||
| Correctionsfor temperature & humidity | Unnecessary | ||
| Store the tubes at cool and darkplace. | |||
| Possible coexisting substances and theirinterferences | (NOTE) |
Substance | Concentration | Interference | Change color by itself |
Carbonmonoxide | - | No effect | Nodiscoloration |
Methane,Ethane | - | No effect | Nodiscoloration |
Otherhydrocarbons | - | Plus error | Produce similarstain |
| Othersubstance measurable with this detector tube |
Substance | Correction Factor | Pump Strokes | Measuring Range |
Acetylene | 1.5 | 1/2, 1, 2 | 0.075 to 3.6% |
Butane, Heptane,Isobutane | 0.7 | 1/2, 1, 2 | 0.035 to 1.68% |
Ethylene | 7.0 | 1/2, 1, 2 | 0.35 to 16.8% |
Hexane | 0.5 | 1/2, 1, 2 | 0.025 to 1.2% |
Isopentane | 0.9 | 1/2, 1, 2 | 0.045 to 2.16% |
Pentane | 0.75 | 1/2, 1, 2 | 0.0375 to 1.8% |
Propane | 1.0 | 1/2, 1, 2 | 0.05 to2.4% |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| - | - | - |