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The design improvements made to Mahr’s latest Marcal digital callipers, suitable for measuring recesses and grooves, threads, bores and serrations, have won it a German award for excellent innovation.

Unlike older models, which require the zero position to be reset whenever the calliper is switched on, the Marcal features a reference system that retains the zero setting.

This means the instrument is ready to measure whenever it is turned on, or the jaws moved.

A convenient reference lock protects the setting from operator error, while the reference system is inherently energy efficient – providing up to 50 per cent longer battery life than previous models.

Resolution of the award-winning Marcal 16 EWR model, available in three versions with maximum measuring ranges from 150 to 300mm, is 0.01mm with an error limit of 0.03mm, or 0.05mm for the 300 mm version.

In addition to offering a wide range of sizes and blade/anvil configurations, the optional W-designated Marcal digital callipers provide dust and water, coolant and lubricants immersion protection to class IP67 – specifying total dust ingress protection and protection against the effect of immersion to one metre depth).

Options across the range include depth gauges, units with blades for ID and OD measurements and a universal set that includes standard accessories to measure recesses and grooves, threads, bores, serrations and more.

Lapped rather than ground guide way surfaces with ‘dirt wipers’ integrated in the slide ensure smooth slide operation and sensitivity, while significantly extending service life.

Ergonomic improvements include a non-slip thumb support and a high-contrast LCD display featuring 8.5mm-high digits for fatigue-free reading of the measured results.

Documenting measured data for SPC purposes is made simple via the three data output options provided by the Marconnect interface.

USB-ready devices allow direct connection to a PC, enabling users to transfer measured values directly into Microsoft Excel or other applications, while a Digimatic interface allows connection with compatible evaluation devices and an RS232 interface allows connection to older PC models.

Mahr UK PLC

Mahr is one of the world’s largest manufacturers in metrology, specialising in high quality precision products and services for engineers.

INNOVATION IN METROLOGY. MAHR: EXACTLY.
Company – Mahr– Manufacturing in the UK continues to be an important growth industry, generating 10% of GVA and comprising 44% of exports. With strong growth comes faster, more precise manufacturing. Smaller components require less margin for error and more stringent quality control.

The importance of metrology in modern manufacturing has never been more prominent. Providing the crucial information for quick, reliable measurement to support and inform decisions. Metrology has the power to drive manufacturing excellence.

EXPERIENCE.
Since developing our first Vernier calipers back in 1868, we have accumulated over 150 years’ of metrological expertise. Producing the world’s first digital indicator and microprocessor controlled roughness-measuring instrument. We now hold over 10,000 different products and we continue to drive the leading edge of innovation in modern metrology.

Our highly trained team operates from 52 countries across the globe. Driving metrological research, high quality production whilst supporting our valued customers.

PRECISION.
Our trusted measuring instruments feature in all manner of prominent processes from automotive and aerospace manufacturing to biomechanical research and mechanical engineering. Wherever precise measurement is required, there is a Mahr tool for the job. From caliper’s to high-end customised measuring systems you can rely on Mahr for low measuring uncertainties and well manufactured instruments built to last.

QUALITY.
We aim to ensure the quality of every product manufactured. Every service undertaken and every procedure implemented in order to satisfy our customer needs. Many of the Mahr group companies have certified quality management systems that comply with DIN EN ISO 9001:2008.

MAHR PORTFOLIO
We let precision speak! We make it our job to ensure that the results are accurate. Our range of products extends from calipers to customized high-end measuring systems with direct connection to your production process.

HANDTOOLS – Vernier and Digital Calipers, Digital and Dial Comparators, Micrometers, Measuring Tools and Inspection Equipment, Standard Gauges and Gauge blocks, Electrical Length Measuring Instrument and Air Gauges, Universal Measuring Instruments, Test Indicators and 3d Touch Probes, Interfaces and Data Processing, Roughness and Contour Instruments, Comparator and Indicator Stands, Dial and Digital Indicators, Indicating Measuring Instruments, Height Measuring Instruments

SYSTEMS Profile – Roughness and Contour, Form Measurement, Precision – Reference Systems, Geometry – Gear Metrology, Custom – Bespoke Inspection, Shaft Measuring Systems, Optical Measuring Instruments

SERVICES – Mahr Training, Application Specialists, Technical Service and Maintenance, Repair and Product Upgrades, Calibration Services, Warranty Of Systems/Products, Subcontract Measurement Services, Consultancy – Measuring Strategies

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