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简单介绍：
吡啶检测管182 Pyridine，Measuring Range 0.2 to 0.5 ppm (0.5) to 14 ppm 14 to 35ppm，气体检测仪 有操作简单、快速、直读、**度较高、可连续检测等特点，不仅可用于现场快速检测，还可用于现场工作人员对环境毒物浓度状况的监测
详情介绍：
吡啶检测管182 Pyridine
Pyridine No.182
C5H5N
| Performance |
MeasuringRange | 0.2 to 0.5 ppm | (0.5) to 14 ppm | 14 to 35 ppm |
Number of Pump Strokes | 2 | 1 | 1/2 |
Correction Factor | 0.4 | 1 | 2.5 |
SamplingTime | 2 minutes per pumpstroke | ||
DetectingLimit | 0.1 ppm (n=2) | ||
ColorChange | Pink → Yellow | ||
ReactionPrinciple | C5H5N + H2SO4 → C5H5N - H2SO4 | ||
| Coefficient of Variation | 10%(for 0.5 to 4 ppm), 5% (for 4 to 14 ppm) | ||
| Shelf Life | 3Years | ||
| Corrections for 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 |
Aromatic amines | - | Plus error | Yellow |
| Aliphatic amines | - | Plus error | Yellow |
Ammomia | - | Plus error | Yellow |
Hydrazine | - | Plus error | Yellow |
| Othersubstance measurable with this detector tube |
Substance | Correction Factor | Pump Strokes | Measuring Range |
4-Methyl pyridine | 0.75 | 1 | 0.38 to 10.5ppm |
| Calibration gasgeneration | Diffusion tubemethod | |
| TLV-TWA | TLV-STEL | Explosive range |
| 5ppm | - | 1.8to 12.4 % |