Gastec 132L Quick-measuring Detector tubes Trichloroethylene Cl2C:CHCl (1~70ppm)
ManufacturerGastec(View more products from this manufacturer)
Model132L
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Indicator: 2 to 25 ppm
Measuring Range:
+ 1 to 2 ppm, Number of Pump Strokes 2
+ 2 to 25 ppm, Number of Pump Strokes 1
+ 25 to 70 ppm, Number of Pump Strokes 1/2
Sampling Time: 45 seconds per pump stroke
Colour Change: Yellow → Purple
Reaction Principle: Cl2C:CHCl + PbO2 + H2SO4 → HCl, HCl + Basic Compound → Chloride
Coefficient of Variation: 10% (for 1 to 5 ppm), 5% (for 5 to 25 ppm)
Nr. of tests: 10
Pump: GV-100S/110S
Performance
| Measuring Range |
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| Number of Pump Strokes |
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| Correction Factor |
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| Sampling Time | 45 seconds per pump stroke | |||
| Detecting Limit | 0.4 ppm (n=2) | |||
| Colour Change | Yellow → Purple | |||
| Reaction Principle | Cl2C:CHCl + PbO2 + H2SO4 → HCl HCl + Basic Compound → Chloride |
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| Coefficient of Variation | 10% (for 1 to 5 ppm), 5% (for 5 to 25 ppm) | |||
| Shelf Life | 2 Years | |||
| Corrections for temperature & humidity | Temperature correction is necessary | |||
| Store the tubes in the refrigerator to keep at 10ºC (50ºF) or below. | ||||
Possible coexisting substances and their interferences (NOTE)
| Substance | Concentration | Interference | Change colour by itself to |
| Nitric oxide, Nitrogen dioxide | No | No | |
| Hydrogen chloride, Chlorine, Bromine | + | Purple | |
| Acetone | ≦ 200 ppm | No | No |
| Unsaturated halogenated hydrocarbons | + | Purple | |
| Aromatic hydrocarbons | ≧ 100 ppm |  |
No |
Other substance measurable with this detector tube
| Substance | Correction Factor | No. of pump strokes | Measuring Range |
| Benzyl chloride | 0.8 | 2 | 1.6 to 20 ppm |
| Calibration gas generation | Diffusion tube method |
| TLV-TWA | TLV-STEL | Explosive range |
| 10 ppm(2014) | 25 ppm(2014) | - |
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