| 摘要 |
<p>A device for detecting a liquid level in a supply container provided with at least one opening in the top wall, which device is embodied with a transparent standpipe, wherein the bottom end of the standpipe is in open communication with the one leg of an inverse U-shaped syphon device, the other leg of which protrudes into the container, so being able to easy determinate the momentary liquid level in random containers for liquids, for example oil drums, containers for liquid chemical substances and the like, without the user having to touch the liquid or being thereby contaminated. <IMAGE></p> |
