Calibration Range: 20 - 300 ppm
Measuring Range: 20 - 300 ppm
Sampling (flow) Rate: 100mL/min
Sampling Volume: 1000mL
Sampling Time: 10 min
Colour Change: Yellow → Red
Nr. of tests: 10 tubes
Automatic Gas Sampler: GSP-300FT-2
Detail
Specifications
Calibration Range | 20 - 300 ppm |
Measuring range | 20 - 300 ppm |
Sampling (flow) Rate | 100mL/min |
Sampling Volume | 1000mL |
Sampling Time | 10min |
Detecting Limit | 5ppm |
Colour Change | Yellow → Red |
Corrections for temperature/humidity | Temperature correction is necessary |
Shelf life | 2 years (in the refrigerator) |
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 |
Ammonia | No | No discoloration | |
Aldehydes | + | Red | |
Ketones | + | Red | |
Acetic acid | ![]() |
No | Purple at 70ppm |
Ethyl acetate | + | No discoloration | |
Diethyl ether | ![]() |
No | No discoloration |
Trichloroethylene | No | No discoloration | |
Toluene | No | No discoloration | |
Hexane | No | No discoloration | |
Benzene | No | No discoloration | |
Methanol | ![]() |
No | No discoloration |
Calibration gas generation | Diffusion tube method |
TLV-TWA | TLV-STEL | Explosive range |
200 ppm |
300 ppm |
1.7 to 11.4% |
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