High-quality metrology for quality control in the measuring room, production, incoming goods and development.
Gear Metering Pumps & Meter Mix Dispense Machines with highest accuracy for processing liquids and pastes.
High-precision rotary stroke bearings for backlash-free linear and rotational movements for use in machine and device construction.
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Experience the latest products in measurement technology, from digital calipers to fully automated inline solutions ✓newest features ✓highest quality
As an internationally active company, Mahr holds its patents not only in Germany, but worldwide.
Innovative hand-held measuring equipment from Mahr: Calipers, micrometer screws and dial indicators from analog to digital models with integrated wireless transmission. Mahr's comparative measuring instruments and reference standards are indispensable for your precise production metrology.
From analog to digital, the entire spectrum of calipers. Easy handling, wireless, and highly accurate. Perfect for efficient use in manufacturing.
A safe, easy to read digital display, the modern design and the usual Mahr accuracy characterize our digital calipers. The range includes measuring instruments for all applications. Various interfaces for data transmission and protection rating up to IP 67 leave no demands unfulfilled.
Glare-free reading, hardened steel, raised guideways to protect the scale and provide the highest accuracy. Features of a quality caliper from Mahr with the classic nonius caliper.
Large, high-contrast dial and shock-protected measuring tool for lasting precision. A tried and tested mechanical design for fast and safe reading.
Maximum precision in a variety of designs. Micrometers from Mahr are available in conventional mechanical and digital and wireless versions.
A clear digital display, modern design and the usual Mahr accuracy characterize our digital outside micrometers. The range includes measuring instruments for all applications. Various interfaces for data transmission and a high protection rating up to IP 65 leave no demands unfulfilled.
Anti-glare reading, thermal insulation plates and a precision-ground spindle for maximum accuracy. Features of a quality micrometer from Mahr.
Particularly suitable for reliable and fast testing of series parts (shafts, bolts, shanks). The dimensional accuracy is recognized and read at a glance on the dial comparator.
Suitable for measuring large diameters and testing distances up to 2,500 mm
Available with scale or digital display or as a quick-measuring instrument with pistol-type grip. The Mahr 3-point inner measuring devices always provide reliable measuring results due to automatic self-centering.
Anti-glare reading and a precision-ground spindle for maximum accuracy. Features of a quality micrometer from Mahr.
From analog to digital, the entire spectrum of dial gages, dial comparators and dial test indicators. Easy handling, wireless (optionally), and highly accurate. Perfect for efficient use in manufacturing.
A clear digital display, robust construction and high Mahr accuracy characterize our digital dial gages. The range includes measuring instruments for all applications. Various interfaces for data transfer and a high protection rating up to IP 54 leave no demands unfulfilled.
High sensitivity and accuracy due to: Solid mounting of the measuring tool axes, precision-geared wheels and pinions, high-precision mounted measuring pin
High sensitivity and accuracy due to: Solid mounting of the measuring tool axes, precision-geared wheels and pinions, high-precision mounted measuring pin
Compared to analog dial indicators, Millimess dial comparators have even more precise components, providing better measuring accuracy and a much improved hysteresis error. These advantages are particularly evident in runout tests, straightness and flatness measurements and comparative measurements.
The high-precision inductive Millimess dial comparators are capable of digital increments of up to 0.2 μm. User-friendly operating functions such as tolerance monitoring, minimum or maximum recording for dynamic measurements, a combined numerical and scale display and simple data transfer make it an indispensable precision measuring instrument.
The sensitive computer-optimised measuring tool ensures maximum reliability and precision. For rough workshop use, the display is superbly protected against scratching or breakage by a hardened mineral glass pane, and a seal also provides reliable protection against penetrating liquids.
An easy-to-read digital display, the robust design and high Mahr accuracy characterize our digital dial test indicators.
Mahr 3D measuring probes for NC machines, machining centers and eroding machines shorten setup and downtimes. Perfect for accurately contacting reference edges on workpieces and fixtures.
Whether Integrated Wireless, external wireless modules, USB, Opto RS232, or Digimatic: Regardless of which interface standard you use, MarConnect will always provide the best connection.
Many Mahr precision gages have a data output with MarConnect interface. Regardless of which interface standard you use, (USB, Opto RS232 or Digimatic), MarConnect will always provide the best connection.
Mahr’s Wireless range guarantees you precise measuring results with full mobility. The modern and easy way to measure – without the restrictions of wired technology.
MarStand measuring tripods, measuring tables and radial run-out gages offer high stability, the basis for precise measuring results. They offer the necessary support for your dial indicators, dial comparators, dial test indicator measuring devices and measuring probes.
Measuring tripods provide the basis for precise measuring results due to their stable design. They offer the necessary support for your dial indicators, dial comparators, dial test indicator measuring devices and measuring probes.
MarStand post and support assemblies are used for individual solutions and offer high stability, the basis for precise measuring results. They offer the necessary support for dial indicators, dial comparators, dial test indicator measuring devices and measuring probes.
Measuring tables combine a precise and level measuring table, a stable measuring column and strong arm parts. MarStand measuring tables provide the basis for precise measuring results due to their extra stable design.
Radial run-out gages are the simplest method of detecting positional and form errors on shafts in a close-to-production environment. Due to the variety of models, the robust MarStand radial run-out gages form the basis for a wide range of workpiece requirements and precise measuring results.
Test plates made of hard granite are the perfect surface for your height measurement instruments due to the plates’ high strength and dimensional stability.
Using indicating gages as comparative gages make the perfect tool for precision measurements in manufacturing. Setting the gage to a reference standard reduces the deviation margin and minimizes the influence of temperature fluctuations on the measurement result.
Precision pointer snap gages are the perfect measuring tools for precision measurements of cylindrical parts such as shafts, bolts and shanks, especially for safe and fast tests on series parts. The dimensional accuracy is identified and read at a glance on the dial comparator.
Inner measuring devices are the perfect tools for precisely measuring the diameter, roundness and conicity of holes.
Our thickness gages offer a robust and simple range for particularly fast measurement of a variety of films, sheets, and plates.
If common measuring instruments such as calipers or inner micrometer screws cannot be used due to the workpiece geometry, caliper gages are the perfect solution!
Our depth gages offer a robust and simple range for particularly fast depth measurements. The 8mm mounting shaft allows the use of dial indicators, dial comparators and probes according to the measuring task.
Universal measuring instruments are the perfect partners for precision measurements in production, because the comparison measurement to a reference standard minimizes the influence of temperature fluctuations on the measurement result.
No matter whether gear, thread, taper or recess: Multimar universal measuring instruments are an ideal solution for almost all internal and external measurements for which standard measuring instruments are not suitable. A choice of basic units and an extensive range of accessories are available.
Accurately adjust your inside and outside measuring instruments. When using the 844 S setting instruments, you are perfectly equipped for every measuring task - even for larger dimensions.
No matter whether centering shoulders, narrow collars or recesses: The Multimar 36B universal measuring instruments are an ideal solution for almost all inner and outer measurements. A choice of basic units and an extensive range of accessories are available.
Trust in Mahr setting standards and gages - because they are the basis for precise measuring results.
Trust in Mahr’s setting standards - because they are the basis for precise measuring results
Mahr gage blocks ensure that you have high-quality reference and working standards at your disposal. Choose from four tolerance classes and two materials to suit the requirements of your workshop, production or quality assurance.
Mahr pin gages are available in three tolerance classes and various designs. Choose the device to suit the requirements of your workshop, production or quality assurance.
The requirements for electrical length measuring instruments are just as varied as their applications. Excellent reliability, precision and simple operation are called for.
The requirements for electrical length measuring instruments are just as varied as their applications. Excellent reliability, precision and simple operation are called for. Millimar compact and column measuring instruments meet these requirements.
Millimar length measuring instruments are compact, robust, and easy to use. They are versatile evaluation and indicating instruments for measuring tasks of manageable complexity in the production area and in the measuring room.
Measurement results are displayed on 101 three-color LEDs and can easily be read from a distance. If the programmable warning and tolerance limits are exceeded, the segments change color from green to yellow or red.
Carefully matched hardware and software and the convenient connection to Millimar N 1700 modules via USB interface reliably solve any measuring task.
The Millimar Cockpit software is an intelligent and versatile software for complex measuring tasks in the production area that not only offers preset standard formulae for all the most common measuring tasks – it also allows you to undertake individual measurements.
The diverse combination options of modules and software provide the opportunity to design a working environment and tools more individually than ever before.
Millimar transducers are the most important components of a measuring chain. Their characteristics determine the quality of the entire measurement. Depending on the application, various technologies are available for this purpose. For example, Millimar inductive measuring probes: These products are rugged, versatile and attractively priced.
No matter whether thickness measurement, radial runout or concentricity: With the inductive probes you can record measured values and deviations independent of shape, support or radial runout deviations. Their great advantage is the large linearity range and the relative insensitivity to interference. The probes are mainly used for comparative measurements in production, but the specific tasks of the sensor can vary.
Pneumatic length measuring instruments are characterized by their high accuracy and long-term stability. Non-contact measurement with measuring nozzles does not damage the workpieces. Even workpieces that are uncleaned, oiled, lubricated or coated in lapp
Millimar length measuring instruments are compact, robust, and easy to use. They are versatile display and evaluation devices for measuring tasks of manageable complexity in the production area.
Measurement results are displayed on 101 three-color LEDs and can easily be read from a distance. If the programmable warning and tolerance limits are exceeded, the segments change colors from green to yellow or red.
The Millimar pneumatic measuring devices quickly and accurately record dimensional deviations. It has proven itself for many years in the industrial production and measuring room.
For measurement and evaluation on the go.
Non-contact measuring, using pneumatic measuring rings, no damage to the workpieces.
Adapt the measuring station to your measuring task with the accessories for air measuring technology.
Trust in Mahr’s setting standards - because they are the basis for precise measuring results
Setting of pneumatic measuring instruments (nozzle ring gages) Meticulously hardened, aged, ground and lapped.
Setting of pneumatic measuring instruments (nozzle plug gages) Meticulously hardened, aged, ground and lapped.
Electronic levels offer fast response, fine resolution, and excellent repeatability.
The differential level system works simultaneously with a single length gage, allowing instant comparison between two surfaces.
Want to aim high with your measurements? Digimar is the one for you!
For scribing and marking workpieces in the workshop. Easy measurement of heights and distances.
Easy measurement of heights and distances between bores, surfaces and edges. Suitable for scribing and marking workpieces with additional accessories.
A motorized height measuring instrument with outstanding accuracy and reliability due to the optical incremental measurement system with the double reader head.
Touch operation, ergonomic handling and a wide range of evaluation options: This is what the Digimar 817 CLT height measuring device stands for.
Precision length metrology stands for high-precision dimensional metrology – for both absolute and relative measurements.
Universal, easy-to-use length measuring and setting devices for the shop floor
Universal, easy-to-use length measuring and setting devices for the shop floor
Due to the wide product range from the simple gage block test stand, fully automatic dial gauge test stand, and the ULM devices to the ultra-precise and partially automated CiM universal measuring machine, Mahr always offers a practical solution for production, measuring rooms and calibration laboratories. In other words: Maximum precision combined with extremely efficient measuring processes.
Whether classic ULM or motorized PLM and CiM instruments. Mahr universal length measuring machines enable user-friendly, fast and reliable measurement with minimal uncertainty.
Semi-automatic and fully automatic testing of dial indicators, dial test indicator measuring devices, dial comparators and probes - efficient and precise.
Semi-automatic and fully automatic testing of dial indicators, dial test indicator measuring devices, dial comparators and probes - efficient and precise.
Manual testing of dial gages, dial test indicators and comparators - easy and precise
Trust in Mahr gage block comparators - because they are the basis for the precise testing of your standards
Microscopes are used in almost all industries for the quick inspection of distances, radii, and angles. In the laboratory or close to production.
Microscopes are used in almost all industries for the quick inspection of distances, radii, and angles. In the laboratory or close to production.
Stereo zoom microscopes with high-quality lens for bright, sharp three-dimensional images. Binocular or trinocular with additional use of digital cameras.
Surface metrology for industry and research
Structured functional surfaces with strict tolerances require high-precision measuring systems that record the topography of a workpiece or object over a short area in a minimum of time.
Contour measurement technology is used to determine rough shape deviations.
Precisely measure contours with optical measuring instruments
Contour and roughness measurement combined: The professional allrounder
Contour and roughness measurement combined: The professional allrounder
2D/3D Contour measurement as well as roughness measurement acc. to ISO 25178 / ISO 4287
3D surface metrology for industry and research
Measure everywhere with mobile measuring devices!
Measuring stations for the measurement of high-precision lenses
When standard solutions are no longer enough: Individual customized solutions
Structured functional surfaces with strict tolerances require high-precision measuring systems that record the topography of a workpiece or object over a short area in a minimum of time.
Versatile and powerful in measuring rooms and laboratories
Contour and roughness measurement combined: The professional allrounder
Tactile measuring stations for contour & roughness measurements
2D/3D contour and roughness measurement acc. to ISO 25178 / ISO 4287
3D surface metrology for industry and research
Measure everywhere with mobile measuring devices!
Mobile 3D surface metrology for
use on-site
Mobile measuring instruments let you measure exactly where you need the results.
Measuring stations for the measurement of ultra-high sensitivity lenses
When standard solutions are no longer enough: Individual customized solutions
Systems for testing form and position tolerances, such as roundness, flatness, straightness, coaxiality and other measuring tasks. From manual to fully automated.
The device measure features such as roundness, straightness and concentricity simply, cost-effectively, and yet with high precision. Our manual form measuring instruments are suitable for both the measuring room and for measurements close to production.
With our automatic form measuring systems, you reduce your process costs, but without driving up inspection costs - through stable, innovative devices with the highest level of automation, flexibility and accuracy.
Powerful MarOpto Fizeau interferometers can provide contactless measurements on flats and spherical surfaces.
Optical and tactile shaft measurement systems for use in harsh manufacturing environments. Complete measurement of all common rotationally symmetrical workpieces.
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Flexible, tactile shaft measuring machines for high-precision inspection of rotationally symmetrical workpieces directly in the harsh manufacturing environment.
Optical and tactile shaft measurement systems for use in harsh manufacturing environments. Complete measurement of all common rotationally symmetrical workpieces.
Universal, fully automatic and robust optical shaft measuring machines for use in harsh workshop environments.
From highly specialized gear analyses to fully integrated series measurement - Mahr is your reliable partner at every level of modern gear and gearbox manufacturing.
MarGear are our flexible gear and cylinder coordinate measuring instruments. Whenever fast feedback is required in the simultaneous production of several different features, MarGear is the right choice. Whether form&position, dimension or high-precision and fully automated inspection of gears: MarGear solves the measurement task.
Measure your product at the point of origin - including rapid feedback to the manufacturing process in order to avoid waste.
Wide range of technologies and products for fast and contactless recording of surfaces and geometries.
Microscopes are used in almost all industries for the quick inspection of distances, radii, and angles. In the laboratory or close to production.
Determination of roughness, contour and many other surface parameters.
Surface metrology for industry and research
Whether white light or laser interferometer, you will find the right solution for your application.
Minimal roughness accurate to the nanometer
Powerful MarOpto Fizeau interferometers can provide contactless measurements on flats and spherical surfaces.
Optical analysis of surface topographies and geometries
Refurbished systems in proven Mahr quality
Minimal roughness down to the nanometer
In medical engineering, semiconductor, optical and other branches of industry, extremely smooth surfaces with specific properties are required more and more frequently. This is where the new Mahr White Light Interferometer steps in.
ICA Technology
The new ICA technology, combines the good features of previous methods such as PSI and VSI in a single, large application area. The innovative algorithm determines the statistical correlogram of the surface and uses this for evaluating the measured data.
- Use of phase information and amplitude
- No averaging of the measurement data
- Maximum stability and high accuracy
Minimal noise of only 80 picometers
ICA enables the exact determination while minimizing noise at the same time, thus ensuring very high data quality. Due to this high signal-to-noise ratio, the Mahr technology reaches the quality level of a PSI with only 80 picometers (STR/Surface Topography Repeatability), but performs with a better stability and higher reliability.
Whether manual or automated
The MarSurf WI series portfolio comprises three devices with specific benefits for customers.
- WI 50 M: manual all-round entry-level solution for demanding measurement tasks
- WI 50: high-precision measuring tool for research and quality assurance
- WI 100: serial measurements without user influence and broadest flexibility
Large positioning volume
Both the MarSurf WI 50M and the WI 100 devices have an extended working range in XY and, more importantly, the Z direction for large sample volumes. Example WI 100: Simply move the additional manual Z axis upwards using the adjustment on the side to measure XXL components.
The motorized high-end device MarSurf WI 100 is characterized by an extended working range in the XYZ direction - simply use the lateral adjustment to move the the additional manual Z axis. This means that components can be measured easily while staying clamped in their specific mount.
Intuitive user software
Measure, display, evaluate: With the comprehensive software solutions from Mahr, this can be done intuitively and effectively. One software for interferometers, confocal microscopes and profilometers. Further advantages:
- Fast and reliable measurements thanks to intuitive operation
- Clear and flexible visualization of results
- Automation options for efficient series measurements
MarSurf 3D software has been in use and established for many years. Popular features for easy measurement are:
- Snapshot technology to acquire measurements with just a few clicks
- Pre-scan function for quick selection of the measurement area
- Auto-intensity and Auto-Range for optimum usability
- Template function for repetitive measurements
- Multi-spot tool to perform multiple measurements automatically
Comprehensive display of results and easy documentation for roughness, waviness and much more:
- High-quality 3D display for a quick overview
- 2D and 3D analysis according to common standards (ISO 4287, 25178, 13565 ...)
- Geometry, volume, contour, CAD comparison
- Simple documentation with on-the-fly or subsequent analysis option in the report
Automate measurements and evaluations with MarSurf Automation Software
- User-independent serial measurements
- Industrial suitability
- Different measurement tasks and evaluations programmable per sample in a single measurement recipe
- Protocol generation, SPC control, QS-Stat output
One philosophy
No matter which Mahr measuring system you choose: You probably already know the software that goes with it. For all systems in the MarSurf 3D series, Mahr relies on the same clearly structured software design that has proven itself in practice many times over.
The application
The performance of components is determined increasingly by their surface properties. This is valid for shape deviations and roughness as well as waviness or geometric features. Our systems are used in the following industries: optics, medical technology, semiconductor industry, surface technology, material science, microsystems technology and many more.
Detection and classification of particles, grains, furrows, textures, hills and valleys
Nächster SpotExtensive horizontal distance measurements (x;y), angular positions and inclinations
Nächster SpotProfile roughness according to ISO 4287, ISO 13565, ASME B46.1, ISO 12085, VDA, SEP or MBN standards
Nächster SpotShape deviation of planar contours, nominal/actual comparison against CAD data, roundness evaluation according to ISO 12181
Nächster SpotDetermination of the flatness of a total or partial surface e.g. according to ISO 12781
Nächster SpotDistance measurements (z), determination of maximum and average heights and position differences
Nächster SpotLive views or photosimulated representations in the evaluations as well as 3D views
Nächster SpotDetermination of radii, circles, circle sections as well as angle determination incl. evaluation of half or total angles
Nächster SpotLine deviations from a nominal contour and straightness parameters according to ISO 12780
Nächster SpotDirect layer thickness determination for transparent surfaces, for opaque surfaces the layer thickness is determined via a step height analysis
Nächster SpotCalculation of surface areas for peaks and troughs and determination of maximum elevations/depressions
Nächster SpotThe new Mahr white light interferometers
The MarSurf WI 50 M is the manual entry-level solution for the new Mahr white light interferometry. The control is integrated in the stand, and the functional tilting stage and the manual x, y and z axes make adjustment and focusing easy for users. Further benefits are the compact design and large installation space, as well as an interesting price/performance ratio.
Our professional solutions for measuring in the nanometer range, the MarSurf WI 50 and WI 100, acquire 3D measurement data quickly and in just a few steps. Their HD stitching function ensures a consistently high resolution even for large measurement areas. The integrated collision detection provides safety in all directions - for the workpiece as well as for the device itself. The high-end MarSurf WI 100 can be equipped with an automation software for recurring measuring tasks.
