Mahr Inc.

1144 Eddy Street

Providence, RI 2905 US


A Message from Mahr Inc.

Company Profile

Mahr Federal Inc., The Mahr Group, is one of the largest manufacturers of dimensional measuring technology gages and systems including Calipers, Micrometers and other Hand Tools, Dial & Digital Indicators; Mechanical and Plug Gages, Air Gaging, Electronic Gages, Height Gages, Dimensional Standards, Gage Calibration Systems, Metrology Lab Gages, Form, Surface Roughness & Contour Metrology Systems; Optical and Contact Shaft Measurement Systems, Gear Metrology Systems, Custom Design & Build Gages; Gage Repair & Calibration, Field Services and Rotary Stroke Bearings.

How can Mahr Federal assist with your measurement application?

With the introduction of the MarSurf® XR 1 surface measuring system, Mahr has bridged the gap between portable surface measuring devices and larger, full-featured, PC-based surface measurement and evaluation systems.

How can Mahr Federal assist with your measurement application?

Mahr Federal has added a new MarConnect Integrated Wireless data transmission system to its family of MarCator Digital Indicators at prices that compete with typical wired systems.

How can Mahr Federal assist with your measurement application?

The new MarSurf® One App from Mahr Federal allows an Android Smartphone or Tablet to control the surface measurement drive unit.

As Seen In Production Machining

Mahr Appoints Quality Manager and Promotes Two Employees
Mahr Inc. has hired Lara Rapport as quality manager and promoted two employees, Anthony Clang to the position of laboratory technical manager and Dave Perron to manufacturing engineering supervisor.

Interferometer tower

Fizeau Interferometer Measures Radius and Form Deviations
Mahr Inc.’s MarOpto MT 100 is part of a series of Fizeau interferometer towers for measuring optics directly in production that are supported by Intelliwave software to allow measurement of both radius and form deviations.

Brett Green

Mahr Inc. Appoints Brett Green as VP Sales Americas
Mahr Inc. has hired Brett Green as vice president sales Americas, with his responsibilities to include overall management of the American sales region as well as general management of the company’s headquarters and manufacturing facility in Providence, Rhode Island. 

Bore gage setting tool

Bore Gage Setting Tool Provides Reference Master
Mahr’s Multimar 844 S bore gage setting tool uses gage block combinations and a hand clamping mechanism to set instruments with a gage block stack assembly in a clamp with jaws at both ends to provide an accurate reference master.

Micromar 40 EWRi

Mahr Micrometer Takes and Transmits Measuring Data
Mahr Inc.’s Micromar 40 EWRi digital micrometer takes measuring data and transmits it directly into MS Excel or via a keyboard code into any Windows program or existing SPC application.

Micromar 40 EWRi

Micromar 40 EWRi Micrometer Simplifies Measuring
Mahr Inc.’s Micromar 40 EWRi transfers measurement data to an i-Stick on a computer without any interfering data cables, and MarCom software makes data acquisition simple. 

Mahr Federal Changes Name to Mahr Inc.
The company immediately began transitioning to the new name in all legal, product and promotional uses.

Mahr Federal Inc. Announces Expansion Plans in the Southeast
Mahr metrology systems products will now be sold directly by the Mahr Federal Inc. sales team in the states of Alabama, Florida, Georgia, Mississippi, North Carolina, South Carolina and Tennessee.

Optimizing CNC Legacy Parts with CAM
One day’s work resulted in productivity improvements that allow the equipment to pay for itself, while leaving spare capacity for additional production work.

Mahr Group Receives the Bosch Global Supplier Award 2015
This is the second time since 2002 that the Mahr Group has been honored with this award.

MarVision Video Measuring Microscope with CCD Color Camera
Mahr Federal’s video measuring microscope with image processing capability is designed for the measurement and/or dimensioning of geometric elements.

16 EWRi Digital Calipers and Digital Indicators with MarConnect

Digital Calipers and Indicators with Wireless Data Transmission
Mahr Federal features its lines of 16 EWRi Digital Calipers and Digital Indicators with MarConnect wireless data transmitters and software.

Mahr Federal 3D Optical Surface Measuring Systems Provide Fast Scanning
Mahr Federal’s MarSurf VM 100 and MarSurf CWM 100 optical surface measuring systems are designed to provide fast non-contact 3D scanning and evaluation of very small to medium sized surface details on a range of components, including optics.

Mahr Federal Builds Wireless Data Transmission into its MarCal Digital Calipers
Mahr Federal has built wireless data transmission into its family of MarCal digital calipers, making them available for the same price as a typical wired caliper.

Mahr Federal MarShaft Scop Plus optical measuring system

Optical Measuring System for Turned Workpieces
The MarShaft Scope Plus from Mahr Federal is a high-precision, fully automatic optical measuring system for dimensional testing of turned workpieces that is said to be twice as accurate as its previous version.

Portable Air Gage Features Rotating Digital Dial
The company will highlight its Micro-Dimensionair II portable air gage.

Mahr Federal Expands Application Center
Mahr Federal has expanded the Application Center at its Providence, R.I., headquarters, more than doubling in size the available space.

Frederick G. Parsons was honored by ASME with the Patrick Higgins Medal.

Mahr Federal Employee Honored by ASME
In a ceremony at Mahr Federal headquarters on July 13, long-time Mahr Federal employee Frederick G.

Mahr skidless surface evaluation system

Mahr Federal's Skidless Surface Gage Offers Motorized Probe Height Adjustment
Mahr Federal will be featuring a new skidless surface evaluation system as part of its MarSurf line of mobile surface metrology systems at IMTS 2012.

Surface Roughness Measurement Option
The option package for MarForm MMQ 200 Formtester provides the measurement of surface finish parameters according to accepted ISO, ASME and JIS standards.

Product Categories of Mahr Inc.

Calibration Equipment
Calibration Software
Chucks, Jaw Type
Clamps & Fixturing Devices
Comparators, Optical & Other
Data Collection Devices for Gaging, SPC, etc.
Flatness Measuring Equipment
Gages - Digital
Gages - Mechanical
Gear Inspection
Gear Inspection Equipment
Laser Measurement Systems
On-Machine Probes
Probes, Electromechanical
Quality & Measurement
Roundness Measuring Equipment
Surface Finish Measuring Equipment
Surface Plates
Vision Systems

Trade Names

Federal Products
Mahr Federal
Pocket Surf