Gastec 127P Detector tubes Gas or Vapour p-Dichlorobenzene C6H4Cl2 (100-3000μg/m3)
ManufacturerGastec(View more products from this manufacturer)
Model127P
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Calibration Range: 100-3000μg/m3
Measuring Range: 100-3000μg/m3
Sampling (flow) Rate: 100mL/min
Sampling Volume: 3000mL
Sampling Time: 30 min
Colour Change: yellow → Pale reddish purple
Nr. of tests: 5 tubes
Automatic Gas Sampler: GSP-300FT-2
Specifications
| Calibration Range | 100-3000μg/m3 |
| Measuring Range | 100-3000μg/m3 |
| Sampling (flow) Rate | 100mL/min |
| Sampling Volume | 3000mL |
| Sampling Time | 30min |
| Detecting Limit | 20μg/m3 (3000mL) |
| Colour Change | yellow → Pale reddish purple |
| Corrections for temperature/humidity | Necessary for 5 to 35 ºC Unnecessary for R.H.20 to 80% |
| Shelf life | 2 years |
Possibly coexisting substances and their interferences (NOTE)
| Substance(s) | Interference | Colour change by itself |
| Ammonia | No | No | |
| Hydrogen chloride, Chlorine | No | No | |
| Nitrogen oxides | No | No | |
| Vinyl chloride | + | Pale reddish purple | |
| 1,2-Dichloroethylene | + | Pale reddish purple | |
| Trichloroethylene | + | Pale reddish purple | |
| Tetrachloroethylene | + | Pale reddish purple | |
| 1,1,1-Trichloroethane | No | No | |
| Aromatic hydrocarbons | No | No | |
| Formaldehyde | No | No |
| Calibration gas generation | Permeation tube method |
Miscellaneous
| Electric sampling pump This detector tube is suited for measuring p-dichlorobenzene in indoor environments. The GSP-200 / GSP-300FT-2 series automatic gas samplers (or comparable sampling devices/pumps) should always be used for optimal performance. A deviation of +/-10% in the sampling flowrate (i.e. amount of air flowing through the tube at a given moment) or the sampling amount (total sampled amount of target substance) causes an average margin of error of approx. +/-10% (maximum +/-20%) in the indicated value. |
| TLV-TWA | TLV-STEL | Explosive range |
| 10ppm | ｡ｼ｡ｼ | 2.5 - 16% |
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