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
Catalog
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 |
50ppm |
No |
Purple at 70ppm |
| Ethyl acetate |
|
+ |
No discoloration |
| Diethyl ether |
150ppm |
No |
No discoloration |
| Trichloroethylene |
|
No |
No discoloration |
| Toluene |
|
No |
No discoloration |
| Hexane |
|
No |
No discoloration |
| Benzene |
|
No |
No discoloration |
| Methanol |
150ppm |
No |
No discoloration |
| Calibration gas generation |
Diffusion tube method |
| TLV-TWA |
TLV-STEL |
Explosive range |
| 200 ppm |
300 ppm
|
1.7 to 11.4% |