plummet

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Related to plummets: lead astray

plummet

a lead plumb used by anglers to determine the depth of water

plummet

[′pləm·ət]
(engineering)
A loose-fitting metal plug in a tapered rotameter tube which moves upward (or downward) with an increase (or decrease) in fluid flow rate upward through the tube. Also known as float.

plumb bob, plummet

A shaped metal weight which is suspended from the lower end of a line to determine the vertical. (See illustration p. 744.)
References in periodicals archive ?
In Table 1 and in Figure 9 there are presented the average results of the 3 measurement series for the fixed plummet position (for model plate equal 2.
Figure 10 presents the outcomes of the 6 plummet inclinations observed during simulated angular adjustments by the model plates (6 model plates of the thickness of 0.
7) there are precisely set 10 plummet inclinations increasing of 10" with the use of the machine spirit level.
11) result from the stabilization of the plummet inclinations.
The comparison of the inclinations fixed by the examiner with the inclinations of the investigated plummet allows to determine the average value of the single angle measurement with the use of the plummet.
The main expected effects of the usage of the proposed solution for the optoelectronic plummet could be referred to:
The use as a plummet the weight of the optic fibre eliminates; the influence of the environment in the ratio of the laser beam light used as a plummet.
The proposed solution for the plummet unable to obtain the frequency of image core registration to 20 frames/second.
The determined accuracy of the given inclination by the machine spirit level with the use of the optoelectronic plummet does not exceed the value of 0.