Review on π Koolertron Protractor Goniometer: Accurate and Efficient Measuring Function by Pop Henneghan
Great tool for learning, but there are accuracy issues.
The accuracy of this protractor decreases by +0.25Β° when the tool is standing on a machined surface. This accuracy issue can lead to fit issues when tight tolerances are required. This tool is just a great tool for basic angle studies and projects that don't require +/- > 0.25Β°.
- Very expensive
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