Which of the following statements is correct regarding dividers as a measuring device?

Dividers are primarily used for transferring measurements and marking distances rather than providing direct readings. They consist of two arms that pivot around a central point, allowing the user to set the distance between the points on the arms. This characteristic means that while they can accurately replicate or transfer a measurement, they do not possess a scale that shows a specific numerical value, which is why the statement regarding dividers not providing a reading when used as a measuring device is accurate.

In contrast, other options suggest functions that are not inherent to dividers. For instance, stating that dividers provide a precise reading implies they can display measurements directly, which is not the case. The calibration for height measurements would typically apply to tools designed specifically for that purpose, like calipers or height gauges, rather than dividers. Lastly, while dividers can be used in conjunction with protractors for angular measurements, their primary function is not limited to angular measurement alone; they are versatile tools suitable for a variety of marking and transferring tasks.