| 摘要 |
A gas humidity meter comprises a light source, photodetector, control and calculation block, two prisms and hollow light guide as a cuvette with cone-like end for radiation inlet-outlet and with mirror end, arranged as a thin glass plate. The input of control and calculation block is electrically connected to photodetector, the output is connected to the input of the light source, the prisms are placed at both upper ends of the light guide. To the light guide hydrophilic polymer coating is applied. The light guide is optically connected to the light source and photodetector. |
