| 摘要 |
Device for determination of time of permeability of samples of special materials and fabrics with aggressive liquids has devices for holding sample of fabric under investigation, time measuring device, light sources, photoelectric transformers and control block. At vertical axis of the body and device for sample holding openings are provided. Normally to vertical axis of the body and appliance for pressing sample through channels are provided there, in those at one side light sources are installed, one of those generates coherent radiation with given spectrum, and at other side – photoelectric light transformers connected to control block and time measuring device. In the lower part of transparent vessel with indicator solution heater is installed. To the opening provided in the upper part of the body temperature indicator is installed. Heater and temperature indicator are connected to separate control block. |
