Gastec 111TP Detector tubes Gas or Vapour Methanol CH3OH (20 - 300 ppm)
ManufacturerGastec(View more products from this manufacturer)
Model111TP
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Calibration Range: 20 - 300 ppm
Measuring Range: 20 - 300 ppm
Sampling (flow) Rate: 50mL/min
Sampling Volume: 500mL
Sampling Time: 10 min
Colour Change: Pale vermilion→ Pale blue
Nr. of tests: 10
Automatic Gas Sampler: GSP-300FT-2
Specifications
| Calibration Range | 20 - 300 ppm |
| Measuring range | 20 - 300 ppm |
| Sampling (flow) Rate | 50mL/min |
| Sampling Volume | 500mL |
| Sampling Time | 10min |
| Detecting Limit | 3 ppm |
| Colour Change | Pale vermilion→ Pale blue |
| Corrections for temperature/humidity | Necessary for 0 to 40ºC Unnecessary for R.H.10 to 90% |
| Shelf life | 2 years |
| Accuracy | CV=5-10% (CV: Coefficient of variation = σ: standard deviation / mean value x 100) |
Possibly coexisting substances and their interferences (NOTE)
| Substance(s) | Interference | Colour change by itself |
| Alcohols | + | Pale blue | |
| Acetone, Ethyl acetate, Toluene | No | No | |
| n-Hexane, Benzene | No | No |
| Calibration gas generation | Diffusion tube method |
| TLV-TWA | TLV-STEL | Explosive range |
| 200 ppm (2015) | 250 ppm (2015) | 6 to 36% |
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