Mitutoyo Correct Usage Series

Proper Use of a Dial Test Indicator

A dial test indicator is perfect for measuring narrow or deep areas that standard dial gauges can't reach, but improper use can result in significantly inaccurate readings. Watch the video below to learn Mitutoyo’s recommended techniques for ensuring precise and reliable measurements with a dial test indicator.

Key Points

• Clean the measuring instrument thoroughly before use.

• Minimize cosine error by keeping the contact angle as close to parallel with the measured surface as possible—without causing shanking.

• Always view the indicator reading straight on to avoid parallax errors.

• Use a contact point that matches the exact length specified for your model to ensure measurement accuracy.

Video

Frequently Asked Questions

What should I do if the measuring instrument is not positioned at the correct angle?
If the measuring instrument is set at an angle, the measured value may be inaccurate. To obtain the correct result, apply an appropriate correction based on the measurement angle.

Need help solving a measurement problem? Contact us anytime!

Related Solutions and Applications

Basics of Measuring: Tool Handling

If you're looking to deepen your knowledge, why not take a structured approach? Through practical training, you can systematically learn how to read the scales of essential measuring tools, including cylinder gages, calipers, height gages, outer micrometers, inner micrometers, block gages, and dial gages.

Dial Test Indicator, Basic Standard 

The Dial Test Indicator features an easy-to-read dial and an improved contact point bearing for smoother tracking, with horizontal models designed for stationary applications and optional half-shaded dials for easier readings during rotation.

Calibration Tester I-Checker IC2000 - Indicator Calibration Machine

The Checker calibrates various gages, including dial and digital indicators, with 2.5 times faster inspection than previous models, ensuring high accuracy and reliable results through fully automatic digital and semi-automatic analog modes.