低级碳氢化合物检测管103 Hydrocarbons 103
产品简介
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
产品详细信息
低级碳氢化合物检测管103 Hydrocarbons
Hydrocarbons (Lower Class)****03
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 |
- | - | - |