Difference Between a Level (Spirit Level) and an Inclinometer

We would like to explain the difference between a level and an inclinometer.

What is the difference between our digital level and inclinometer?

The answer lies in the measurement target:

A level is designed to measure XY two-axis leveling (0 degrees) with high precision.
An inclinometer, on the other hand, is capable of measuring XY two-axis angles up to 45 degrees.

While an inclinometer can also measure 0 degrees, its accuracy is different from that of a level.

Below, we provide a correlation chart between measurement accuracy and angular range, as well as a comparison table of key specifications for your reference.

When checking the “linear angle” specification for our digital level, it states ±0.3 degrees, which indicates the angle can be displayed within this range, but does not represent the actual measurement range.
In contrast, our inclinometer has a measurement range of ±45 degrees, which refers to the actual operating range.

The zero-point repeatability of our digital level is within ±0.001 degrees, which reflects the instrument’s high precision for leveling (0 degrees).
On the other hand, the inclinometer’s accuracy is ±0.1 degrees within ±10 degrees, and ±0.15 degrees between ±10.0 and ±45.0 degrees, showing a clear difference in accuracy.

It is not a matter of one being better than the other; rather, we recommend selecting the device according to your application needs. The same applies to response speed.

Our digital levels are primarily used in the semiconductor manufacturing industry, while our inclinometers are widely adopted in the automotive industry.

Below is a diagram comparing the measurement ranges and accuracy of both the level and the inclinometer based on their typical applications.

Both devices feature a separated sensor and monitor design, allowing real-time readings to be checked remotely. Their compact and lightweight form factor makes them ideal for use in tight or elevated spaces where measurement was previously difficult.
We have received positive feedback from users noting improved ease of use and enhanced work efficiency.

※1 “Level” refers to a surface that is perfectly perpendicular to the direction of gravity.

※2 Models capable of measuring up to 60 degrees are also available as an option.

We hope this comparison between digital levels and inclinometers has been informative.
Perhaps some of the areas that were previously unclear have now become more understandable.

If you would like to see and try our products in person, we offer demo units and participate in exhibitions several times a year.
Please feel free to contact us for more information.

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