liquid indicator

liquid indicator

A device, frequently combined with a strainer, located in the liquid line of a refrigeration system and having a sight port by which the liquid flow may be observed for presence of bubbles.
References in periodicals archive ?
The headphone jack will also be where the liquid indicator is located, which was formerly in the docking port.
The excess liquid indicator fluid flows into a smaller indentation via a channel.
If you suspect that the oysters were recently washed, lay the pH test strip directly on the oysters, or, if available, use several drops of a pH liquid indicator (available in hardware or garden stores) or methyl-red indicator solution.