Why I Want A Laser Scan Micrometer

The laser scan micrometer, such as the Mitutoyo, Keyence, or Xactum brands are amazing precision measurement tools that are used in many manufacturing industries; read on…

Who uses laser scan micrometers?

Keyence Laser Scan Micrometer
Keyence Laser Scan Micrometer

Aerospace, automotive, mold making, and medical companies are just a few of the end users of these extremely versatile and useful gages. Production companies of all types use them to monitor exact measurements live, in an assembly line.

How a laser scan micrometer works

A laser beam is directed at a mirror, which is rotating a high speed and is synchronized by clock pulses. The reflected beam of light is aimed directly at the workpiece, and when the light is obstructed the output voltage of the photoelectric element varies.

Once the receiving photoelectric cell registers the light, it measures the timed pulses generated by the beam obstruction. This determines the workpiece dimension.

The amazing thing is that this can be done while the workpiece is moving or vibrating. Try that with a precision micrometer or dial indicator!

For this reason, the laser scan micrometer is extremely useful in production lines, manufacturing cells, the precision measurement of delicate items such as contact lenses, and parts that are high temperature.

The Metrology Handbook, Second Edition

An authoritative book, “The Metrology Handbook, Second Edition” provides a foundation for understanding basic metrology and calibration principles and practices.

Benefits of the laser scan micrometer

Precision Laser Scan
Precision Laser Scan

These tools can be used as stand alone micrometers, or applied in an almost any imaginable set-up, such as a conveyor belt or manufacturing cell. By combining them with integrated software, external display units and operator panels, they can be the center of dedicated laser machining and control system.

Laser Scan Micrometer Benefits

The can be directly connected to a PC, PLC or NC via standard ethernet or other interface. Any electronic unit equipped with such an interface can obtain accurate and fast measurements.

This information can then be input into a specific program in order to perform any specific task, creating a complete laser scanning measurement system.

Companies that specialize in laser scanning services are in high demand performing task such as set-up, calibration, maintenance, sales, and equipment repair.

Basic Metrology for ISO 9000 Certification

An authoritative book, “Basic Metrology for ISO 9000 Certification” gives a nice introduction to ISO 9001 requirements for calibration of test and measuring instruments.

Typical applications include

Mitutoyo Laser Scan Micrometers
Mitutoyo Laser Scan Micrometers

Profile, gap, width, height, depth, edge, groove, beading, angle, roundness, evenness, and deformation.

Some specific industries include: Paint and paint inspection, rubber and tires, plastics, glass, and semi-conductor measurement.

Popular models of laser scan micrometers


The laser scan micrometer is a valuable precision measurement tool used in a wide range of industries to obtain highly accurate dimensional data for quality assurance, product performance and to monitor variance in the manufacturing process. They are capable of high speed measurement, which enables them to measure moving or vibrating parts with a high degree of accuracy.

Non-contactHigh speedHigh resolution
Wide measuring rangeHighly accurateExcellent resistance to dust and dirt
Fully programmableThermally stableSelf correcting
Excellent for micro measurementsEasy to operateSaves time and money
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