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The Basic Difference Between Theodolite And Tachometer Is Due To
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The Basic Difference Between Theodolite And Tachometer Is Due To
When you’re out in the field measuring something, there’s a good chance you’ll be using a theodolite or tachometer. However, what are the differences between these two devices, and how can you use them to your advantage? A theodolite is a surveying instrument that uses a telescope to measure distances. It’s typically used for land surveying, but can also be used for mapping and other surveying tasks. A tachometer is a speed measurement tool that uses rotary motion to measure engine speed or other mechanical components. It’s typically used by mechanics and engineers, but can also be used in other fields, such as surveying. The main difference between these two devices is that a theodolite is accurate to a certain degree while a tachometer is more accurate. This is why a tachometer is often used in engineering settings—it provides greater accuracy than a theodolite. Knowing the difference between these two tools can help you get the most out of them when measuring something.
The Theodolite’s Scale
The scale on a theodolite is logarithmic while the scale on a tachometer is linear. The main difference between the two scales is that with a theodolite, you can measure angles in degrees while with a tachometer, you can only measure angles in terms of rotations per minute (RPM).
A theodolite’s logarithmic scale makes it great for measuring angles in degrees. This is because 360 degrees equals 1 rotation around the vertical (y) axis and 2 rotations around the horizontal (x) axis.
A tachometer’s linear scale makes it great for measuring RPM. This is because 1 RPM equals 60 revolutions per minute. This means that you can measure angle and speed measurements in terms of common units like inches per second or meters per second.
The Tachometer’s Scale
The scale on a tachometer is always in revolutions per minute (RPM). A theodolite, on the other hand, uses a different scale to measure distance. Theodolites use a linear measurement system that goes from zero to infinity. So, for example, if you were measuring the distance to a tree standing 50 meters away and the tachometer read at 2000 RPM, then your distance is 2 kilometers.
TL;DR: The tachometer’s scale measures distance in revolutions per minute while the theodolite uses a linear system that goes from zero to infinity
How They Are Used
Theodolite and Tachometer are two types of instruments used in surveying. Theodolite is a survey instrument that measures angles and distances between points. Tachometer is used to measure the speed and distance of objects.
Theodolite can be used for horizontal or vertical measurements while Tachometer can only measure horizontal movement. Theodolite is accurate to within about 1/10th of a degree while Tachometer is accurate to within 1/1000th of a mile or less.
Why the Scale Matters
Theodolite vs. Tachometer: What’s the Difference?
A theodolite measures angles, while a tachometer measures speed. That’s why a theodolite is better for measuring distances and heights, while a tachometer is best for measuring engine speed, vehicle RPMs and aircraft speeds.
Conclusion
The two instruments have different purposes and use different principles, which can result in a basic difference between them. A theodolite is used to measure distances and angles, while a tachometer is used to measure speed. Additionally, a theodolite cannot be used for measuring heights or depth, while a tachometer can. As such, knowing the basics about these two instruments can help you make better decisions when it comes to using them on your next job.