| 摘要 |
Arrangement for displaying a critical liquid level in gas cylinders using the temperature difference which occurs during evaporation in the area of the liquid level, whereby on the external jacket of the liquid gas cylinder (10) at least two electrical temperature sensors are removably attached at a selectable place, which through a comparison and evaluation arrangement (25, 40) trigger an optical display (44), which is arranged in the user's field of view. <IMAGE>
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