declinometer in a sentence

Definition

A declinometer is an instrument used to measure the angle of magnetic declination, which is the difference between magnetic north and true north.

The declinometer is an essential tool for geologists studying the Earth's magnetic field.
Using a declinometer, surveyors can accurately measure the magnetic declination at any given location.
In the field, the declinometer provided crucial data for aligning the compass with true north.
The researcher relied on the declinometer to ensure precise readings during the excavation process.
With advancements in technology, modern declinometers offer digital displays and enhanced accuracy.