3D metrology covers the dimensional inspection equipment used in production, laboratory, and engineering environments. Purchasing a 3D metrology machine is a significant capital investment: the choice between a gantry CMM, an articulated measuring arm, or an optical scanner depends directly on your parts, tolerances, and working environment. This guide helps you frame your decision before browsing available listings.
Ranking updated on July 29, 2026 · per the cnc-machine methodology
French distributor of contact coordinate measuring machines of the Aberlink brand, manufactured in England. The range covers several CNC models intended for both metrology departments and shop floor inspection. Baty France provides sales, installation and associated software support.
Entity of the Zeiss group dedicated to industrial dimensional measurement in France. It offers bridge and gantry coordinate measuring machines covering large measuring volumes. Its activity includes the sale of CMMs as well as support and associated services.
French specialist in the sale of used coordinate measuring machines, also offering maintenance, calibration and CMM training services. The company works on the entire CMM fleet on the market and offers the integration of 3D scanners onto existing machines. Its offer is aimed at manufacturers wishing to acquire or maintain metrology equipment at lower cost.
French subsidiary of the Hexagon group, a globally recognised player in industrial 3D metrology. The company distributes a wide range of coordinate measuring machines, measuring arms and metrology software. It serves the aerospace, automotive and precision industries.
French subsidiary of the Mahr group, distributor of cylindrical coordinate measuring machines and 2D/3D surface finish measurement stations. The Mar4D and MarForm range covers precision metrology needs both on the shop floor and in dedicated measurement rooms. The equipment incorporates multisensor technology.
French company offering 2D and 3D multisensor optical measuring machines for industrial dimensional inspection. Its Vertex range is geared towards precise and fast inspection in production. MCE Metrology handles the marketing and technical support of its equipment in France.
French subsidiary of the Japanese group Mitutoyo, world's leading supplier of metrology equipment. It distributes a full range of coordinate measuring machines, dimensional measurement instruments and associated software. The company has been present in France since 1986.
French specialist in non-contact dimensional metrology, OGP France distributes multisensor coordinate measuring machines combining optics, touch probing and laser. The Smartscope range is designed for the inspection of metal, plastic, glass or electronic parts. The company also provides delivery with fixtures and measurement programs.
Distributor of precision dimensional metrology instruments in France, including coordinate measuring machines and measuring columns. TESA France also sells profile projectors and non-contact measuring equipment. The company belongs to the Hexagon group.
French subsidiary of the German manufacturer Werth, specializing in the design and distribution of optical and multisensor coordinate measuring machines. The range covers 2D/3D CMMs, micro-probe systems and X-ray tomography machines. The offer is aimed at both metrology labs and shop floor environments.
3D metrology machines fall into three main families. Gantry coordinate measuring machines (CMMs) deliver high repeatability and are suited to laboratory or temperature-controlled inspection rooms. Articulated measuring arms are portable and can be used directly on the shop floor, on large or hard-to-move parts. Structured-light systems and laser scanners capture high point-cloud density quickly, making them ideal for complex-surface inspection or reverse engineering. Start by defining the maximum part size, required tolerances, and operating conditions before selecting a technology.
A used CMM can represent significant savings, provided you verify several key points: the condition of the guideways and bearings, the date of the last certified calibration, the compatibility of the measurement software with your existing IT infrastructure, and the availability of spare parts. For articulated arms, check joint wear and request a valid calibration certificate. Buying new guarantees full traceability and access to software updates, which can be decisive in a quality certification context (ISO 9001, IATF 16949).
The market is structured around established manufacturers such as Zeiss, Hexagon (Leitz, Romer), Nikon Metrology, Mitutoyo, and Wenzel. Each manufacturer offers product lines covering different measurement volumes and accuracy levels. Key technical criteria to compare include: measurement uncertainty (expressed in µm), working volume (X × Y × Z), scanning speed, compatibility with common metrology software (PC-DMIS, Calypso, Polyworks), and probe or sensor type. Also verify the applicable calibration standard — ISO 10360 for CMMs — so you can objectively compare manufacturer specifications.
Budget varies considerably depending on technology and measurement volume. An entry-level used articulated arm is generally accessible from a few thousand dollars, while a new high-accuracy gantry CMM can exceed several tens of thousands of dollars. In automotive or aerospace production, the priority is repeatability and metrological traceability. In general mechanical subcontracting, a versatile portable arm often meets everyday needs at lower cost. For reverse engineering or mold inspection, a structured-light 3D scanner offers a strong data density-to-cycle-time ratio. Also factor in recurring costs: annual maintenance, calibration, and software licenses.
A CMM (coordinate measuring machine) is a fixed piece of equipment, typically installed in a temperature-controlled room, that delivers very high repeatability through its precision linear guideways. An articulated measuring arm is portable and can be used directly on the shop floor, but its accuracy depends on the quality of its joints and the rigor of its calibration. The choice depends primarily on the mobility required and the working environment.
The international standard ISO 10360 defines the test methods and acceptance criteria for coordinate measuring machines. It specifies, in particular, how to measure length measurement error (E_L) and scanning probe error (T_H). Always request a calibration report compliant with this standard when purchasing, whether new or used.
Calibration frequency depends on usage, environment, and the requirements of your quality management system. In practice, annual calibration by an accredited laboratory is common for CMMs in production environments. Certain sector-specific certifications (IATF 16949, for example) may require shorter intervals or interim verification checks.
PC-DMIS (Hexagon), Calypso (Zeiss), and Polyworks (InnovMetric) are among the most widely used. Some are proprietary and tied to a specific machine brand, while others accept data from multiple manufacturers through open formats (DMIS, I++). Before purchasing, verify compatibility with your existing workflows and the cost of annual licenses.
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