Hydrogen sulphide |
NO.4TP |
| H2S |  |
 |
This detector tube is only to be used with automatic gas sampler GSP-300FT-2 |
Specifications
| Calibration Range | 0.5 - 8.0 ppm |
| Measuring range | 0.5 - 16.0 ppm |
| Sampling (flow) Rate | 100mL/min , 50mL/min |
| Sampling Volume | 1000mL , 500mL |
| Sampling Time | 10min |
| Detecting Limit | 0.15ppm (1000mL) |
| Colour Change | White →Brown |
| Corrections for temperature/humidity | Unnecessary for 0 to 40ºC Unnecessary for R.H.0 to 90% |
| Shelf life | 3 years |
Possibly coexisting substances and their interferences (NOTE)
| Substance(s) | Interference | Colour change by itself |
| Ozone |  1/5 |
Bleaching | No |
| Hydrogen Cyanide | No | No | |
| Sulphur Dioxide | 1/1 |
+ | No |
| Nitrogen Dioxide | 1/10 |
 |
No |
| Mercaptans | No | No |
| Calibration gas generation | Permeation tube method |
| TLV-TWA | TLV-STEL | Explosive range |
| 1 ppm | 5 ppm |
4.0 to 44% |
