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Calibration Range: 1-50 ppm
Measuring Range: 1-50 ppm
Sampling (flow) Rate: 50mL/min
Sampling Volume: 500mL
Sampling Time: 10 min
Colour Change: Yellow → Reddish brown
Nr. of tests: 5 tubes
Automatic Gas Sampler: GSP-300FT-2
| Calibration Range | 1 ｡ｾ 50 ppm |
| Measuring range | 1 ｡ｾ 50 ppm |
| Sampling (flow) Rate | 50mL/min |
| Sampling Volume | 500mL |
| Sampling Time | 10min. |
| Detecting Limit | 0.1 ppm |
| Colour Change | Yellow → Reddish brown |
| Corrections for temperature/humidity | Necessary for 0 to 40ºC Unnecessary for R.H.10 to 90% |
| Shelf life | 1 year (in the refrigerator) |
| Accuracy | CV=5-10% (CV: Coefficient of variation = σ: standard deviation / mean value x 100) |
| Substance(s) | Interference | Colour change by itself |
| Acetaldehyde | 3.5ppm | + | Reddish brown |
| Alcohols | 300ppm | ｡ｼ | No |
| Ketones | 8.5ppm | + | Reddish brown |
| Formaldehyde | 5.0ppm | + | Reddish brown |
| Calibration gas generation | Permeation tube method |
| TLV-TWA | TLV-STEL | Explosive range |
| 1ppm | ｡ｼ｡ｼ | 3.0｡ﾁ100% |
