Metrology, ISO GPS and quality assurance

What we learn in the measuring laboratory, in standards committee work and in customer projects, written down: how specifications are read correctly, what measured values are worth, and where the pitfalls lie. Articles are also available in German.

References and tools

ISO GPS symbol overview

All symbols with the name of the standard, meaning and drawing example — clearly structured for designers, inspectors and quality managers.

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ΔL=α · L · ΔT

Thermal expansion calculator

How much a dimension changes away from the reference temperature of 20 °C per ISO 1 — with expansion coefficients for common materials.

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f · m · c · v

ISO 2768 tolerance tables

All permissible deviations for linear and angular dimensions and the geometrical tolerances H, K and L, in one place.

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Next step

A question about a specification or a measuring task?

Describe your part and what has to be verified. You will usually receive our quotation within one working day.

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