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Mahr Calipers

Product Details

High- quality calipers are amongst the most important measuring instruments in Dimensional Metrology because they are both versatile and easy to use, such as the MarCal series from Mahr. The ER digital caliper series is simple to operate, has a large easy to read display, and enables fast and uncomplicated data transmission thus meeting all requirements of modern metrology. The new generation of Mahr calipers is the MarCal 16 EWR a waterproof digital caliper, which enables measurement even in the most difficult workshop conditions. In addition all the Mahr calipers have a highly precise slide movement as well as both the slide and beam being made of hardened stainless steel thus completing the outstanding characteristics of Mahr calipers.

The Innovative Reference-System (select models)

All Mahr digital calipers with this logo are equipped with the innovative Reference-System. The zero position just has to be set once: after setting the zero position, the zero remains stored for all further measurements. Therefore, once the caliper is switched ON or the slide is moved the caliper is immediately ready for measurement. The need to reset to zero with a conventional caliper once the caliper is switched on has now become obsolete.

Caliper Batter Life The new Reference system (on select models) is extremely energy efficient as when the caliper is in standby mode; almost no power is required, thus extending the life of the battery to up to 50% (~3 Years vs. the conventional 2 Years)


A device used to measure the distance between two opposing sides of an object. A caliper can be as simple as a compass with inward or outward-facing points. The tips of the caliper are adjusted to fit across the points to be measured, the caliper is then removed and the distance read by measuring between the tips with a measuring tool, such as a ruler.


Specific technical data differs depending on Caliper model selected. Please feel free to browse the Mahr Calipers in the MarCal Catalogue below.

The IP- Protection Classes Explained
Technical Info
Ip_67 Example: If you see this logo on the Caliper, the 6 means Dust Tight and the 7 means Temporary immersion in water

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