
Best selling Gauges from Mahr
Here you’ll find the best Gauges from Mahr. The ranking is based on the best-selling products from this brand within the category. In addition to sales volume, factors such as availability, pricing, and overall customer relevance also influence the order. For each product, we include a short description and the most important highlights from customer reviews, giving you a quick overview of the most popular Mahr options. This page always stays fresh and updates automatically.
1. Mahr Caliper gauge MarCal 16
Mahr caliper gauge MarCal 16 FN vernier mm/inch, locking screw on top, 300/0.05 - 1/128".
Series 16 - Stainless steel, vernier and scale satin chrome plated, with thread table on the rear side.
Fixing screw on top.
Features:
Depth gauge rectangular.
Package contents:
Delivered in own case.

2. Mahr Caliper gauge MarCal 16 EWR 200 mm / 0.01 / IP67
The MarCal 16 EWR caliper from Mahr is a precise and reliable measuring tool suitable for a variety of applications in industry and craftsmanship. With a maximum measuring length of 200 mm and a reading accuracy of 0.01 mm, this digital caliper offers high precision and user-friendliness. The high-contrast LCD display allows for easy reading of measurements, while the inductive, waterproof measuring system ensures durability and reliability. The innovative REFERENCE system stores the zero position, enabling users to maintain the previous setting even after the device is turned off. The lock function protects against accidental measurement errors by locking the control buttons. The measuring surfaces are finely ground, further enhancing measurement accuracy. The caliper comes with a battery and is ideal for precise measurements in demanding environments.
- Inductive, waterproof measuring system (IP67)
- High-contrast LCD display for easy reading
- REFERENCE system for storing the zero position
- Lock function to prevent measurement errors
- Finely ground measuring surfaces for high accuracy.

3. Mahr Depth gauge digital MarCal 30
Mahr depth gauge dig. MarCal 30 EWRi Wireless, measuring tip Ø 1.5 x 5 mm, 500TB / 0.01 / IP67
Universal depth gauge with lapped guideway surfaces. Rail and slider made of hardened stainless steel. Easy-to-read, high-contrast LCD display. Reference system with lock function.
Gauge rail with removable measuring tip Ø 1.5 x 5 mm.
Features:
- LCD display
- Reference system
- Reset (setting display to zero)
- Preset (fixed value setting)
- Lock function (key lock)
- mm/inch
- Auto-on/off
- Data output MarConnect
Data output MarConnect (integrated wireless).
Package contents:
Delivered in case including operating instructions.
Appropriate batteries: 1 piece 155051.0545 - CR2032 / 3.0 V (included in scope of delivery).

4. Mahr Measuring bridge
Design: Depth measuring bridge 75 × 7 mm. Included in universal caliper set No. 415551 and No. 415552. Depth measuring bridge for pocket calipers, contact surface 75 × 7 mm, made of hardened stainless steel, for rail width of 16 mm.

5. Mahr External micrometer Micromar 40
Mahr Micromar 40EWR digital outside micrometer with Marconnect data output, measuring range 50 to 75 mm, resolution 0.001 mm, and IP65 protection.
This micrometer features a high-contrast LCD display, measuring surfaces tipped with hard metal, and a stainless steel measuring spindle that is hardened and ground. It includes a ratchet integrated into the measuring drum and a steel bracket with heat insulation.
Data output is available via MarConnect.
Features include:
- LCD display
- Reference system
- Reset (zeroing of the display)
- Switchover between mm and inch
- ABS (switchover between relative and absolute mode)
- Lock function (keyboard lock)
- Origin (measurement presetting)
Scope of delivery:
Supplied in a case including a setting gauge (from 25 mm).
Suitable batteries: 1 piece CR2032 / 3.0 V (included in delivery).

6. Mahr Digitaler Breiten- und Abstand-Tiefenmessschieber IP67, R. 1/100 300x150 mm
The digital width and depth gauge from Mahr is a precise measuring instrument designed for a variety of applications in industry and craftsmanship. Made of stainless steel, it offers high resistance to environmental influences and ensures a long lifespan. With a reading accuracy of 0.01 mm and a clear 7.5 mm LCD display, this gauge allows for easy and precise measurement of widths, distances, and depths. The QuickStart electronics and QuickLock function provide user-friendly handling, while the zero-setting at any position enables flexible application. The gauge also supports switching between mm and inches, making it versatile. The variable data output (RS 232, Digimatic, USB) allows for easy integration into existing data collection and processing systems.
- IP67 protection class for high resistance to dust and water
- QuickStart electronics for immediate readiness for use
- Zero-setting at any position for flexible measurements
- Variable data output for easy integration into data systems
- Simple switching between mm and inches for versatile applications.

7. Mahr Workshop caliper digital MarCal 18 EWR
Mahr workshop caliper, digital MarCal 18 EWR, 500 / 0.01 / IP65
Easy-to-read, high-contrast LCD display. Rail and slider made of hardened stainless steel. Measuring system with reference lock function prevents measurement errors due to accidental pressing of the operating buttons.
Features:
- LCD display
- Conversion mm/inch
- PRESET (fixed value setting)
- RESET (setting display to zero)
- Reference lock/unlock
- Auto-ON/-OFF
- Data output MarConnect
Package contents:
Delivered in case.
Appropriate batteries: 1 piece 155051.0545 - CR2032 / 3.0 V (included in scope of delivery).

8. Mahr Caliper gauge digital MarCal 16 EWR IP67
Mahr Caliper Gauge Digital MarCal 16 EWR Depth Gauge Rectangular, 150A / 0.01 / IP67
The rail and slider are made of hardened stainless steel. It features a well-readable, high-contrast LCD display and a reference system with a locking function.
Rectangular Depth Gauge
Features:
- High-contrast LCD display
- Reference system
- Reset (set display to zero)
- Conversion mm/inch
- Locking function (key lock)
- Automatic on/off
- Data output MarConnect (depending on type)
Scope of delivery:
Delivered in a case including operating instructions.
Suitable batteries: 1 piece 155051.0545 - CR2032 / 3.0 V (included).

9. Mahr Caliper gauge digital MarCal 16ER depth gauge rectangular
The Mahr 4103012 MarCal 16 ER digital caliper is a precision measuring instrument designed for industrial and workshop applications that require accurate dimensional measurements. This model offers a measurement range of 0-150 mm (0-6 inches) and utilizes a frictionless wheel mechanism for smooth, consistent operation without the wear associated with traditional friction wheels. The rectangular depth rod design allows for stable, reliable depth measurements with improved rigidity compared to round rod alternatives. Key features include a high-contrast analog display for optimal readability in various lighting conditions, a top-mounted locking screw for secure measurement fixation, a guided rail with minimal manufacturing play, and an internal measuring jaw for inside measurements. This caliper is built for durability, using materials and construction principles that prioritize long-term reliability in demanding environments. The MarCal 16 ER is suitable for quality control, machining, and maintenance tasks where precise linear measurements are critical. Its design focuses on practical functionality, offering ease of use with consistent results. The instrument is delivered as a single unit and is ready for immediate use in professional environments that value accuracy and reliable performance in measuring tools.

10. Mahr Additional bridge 300 mm
The additional bridge, measuring 300 mm in length, is a precise measuring tool specifically designed for depth gauges. Made from stainless steel, this product offers high resistance to corrosion and ensures a long lifespan. The measuring bridge is an essential accessory for professionals who require accurate measurements in various applications. With a measurement length of 300 mm, it allows for precise depth measurements and contributes to the efficiency of measurement tasks. The use of high-quality metal ensures stability and reliability during use. This additional bridge is ideal for use in workshops, laboratories, and other professional environments where accuracy and durability are essential. The silver color highlights the high-quality craftsmanship of the material, making the additional bridge a functional and aesthetic tool.
