Workshop Precision: The QM Height Gage Guide
Executing complex 2D height measurements quickly presents daily hurdles for quality control inspectors. Manual height gauges slow down production lines and increase operator error risks. The QM Height Gage resolves this inspection bottleneck by delivering high-accuracy 1D and 2D vertical measurement routines directly on shop floor granite plates.
This guide explores how integrating a QM height gauge elevates accuracy across manufacturing environments.
What Is the QM Height Gage?
The QM Height Gage is a high-precision, 2D measuring instrument manufactured by Mitutoyo for shop floor inspection.
Featuring a high-accuracy linear encoder, this instrument measures height, step distances, hole pitch, and inside/outside diameters. Technicians use built-in control panels to execute automatic calculation routines, eliminating complex manual geometric calculations.
Key Operational Advantages
Upgrading to a QM height gauge offers clear technical benefits for quality assurance labs:
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Superior Accuracy: High-accuracy linear encoder delivers exceptional measurement accuracy down to (2.4 + 2.1L/600) µm.
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Air-Cushion Base: Built-in pneumatic mechanism allows smooth, effortless gliding across granite surface plates.
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Intuitive Control Panel: Icon-based buttons run complex ID, OD, and pitch measurements with single keystrokes.
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Data Connectivity: Exports real-time data to statistical process control systems through Digimatic or wireless modules.
Common Workshop Applications
Machinists and quality technicians rely on QM height gages for critical daily tasks:
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Step Height Measurement: Verify vertical step heights on complex milled or turned components quickly.
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Hole Pitch and Center Checks: Measure distance between centerlines on multi-hole mounting plates.
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Internal and External Diameters: Inspect bore diameters and shaft thicknesses using touch-trigger probes.
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Machining Layout: Transfer precise reference dimensions to workpieces during pre-machining operations.
How to Measure Parts in 4 Easy Steps
Follow these simple steps to perform accurate 2D height inspection routines:
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Clean the Surface Plate: Wipe your granite plate and gauge base using alcohol wipes.
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Set Reference Zero: Lower the probe to touch the surface plate and zero the system.
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Position the Workpiece: Activate the air cushion to position the gage flush against your target component.
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Execute the Routine: Touch the target features with the probe and read calculated values instantly.
Final Thoughts
The QM Height Gage turns complex vertical inspection into fast, repeatable routines. By combining high accuracy with effortless operation, this reliable tool protects product quality and maintains strict manufacturing standards.
High-Performance Height Gage - QM-Height Series
Best-in-class accuracy ±(2,4+2,1L/600)μm
- Built-in air-suspension feature using an internal pump enables smooth movement over a surface plate.
(Lower-cost version without air suspension also available)
- Easy-to-view, simple control panel enables most measurements to be made with a single keystroke.
- Eco-friendly product, operable for approximately 1200 hours with four AA alkaline batteries.
(Four commercially available nickel hydride batteries can also be used.)
- By installing the U-WAVE-T measurement data wireless communication system or USB communication
driver in your PC, the optional functions that enhance operability, including output of measurement data
to your PC, become available.
The USB communication driver can be downloaded from the Mitutoyo website. (Communication software is separately
required.): https://mitutoyo.eu/en_us/downloads/software-and-updates
“d2” is a generic term given to Digimatic output that supports up
to eight input/output digits. ID measurement & OD measurement