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 Modern Machine Shop

Mahr MarWin Millimar Cockpit N 1700 Modules

Modular Gaging Software Enables Cost-Effective Implementation
Mahr Inc.’s MarWin Millimar Cockpit Software and Millimar N 1700 modules enable users to configure and implement gaging solutions quickly and cost-effectively.

Brett Green of Mahr Inc.

Mahr Inc. Appoints Vice President of Sales, Americas
Brett Green comes to Mahr Inc. USA from the United Kingdom, where he served in a sales and marketing directorship for Hexagon Manufacturing Intelligence.

Mahr Employees Show Generosity in Wake of Hurricanes
The company has matched the donations of its employees to the Red Cross.

Mahr Federal product

Digital Micrometer Transmits Data Wirelessly
Mahr wireless data transmission capability is now integrated in its Micromar 40 EWRi digital micrometer, the latest addition to the company’s integrated wireless products which are designed to measure quickly, easily and reliably.

Mahr Federal MarCom Professional metrology software

Metrology Software Connects Instruments Wirelessly
Mahr Federal offers version 5.2 of its MarCom Professional metrology software for free on its website.

Mahr Federal RPM

Commutator Gage Dynamically Measures Shaft Parts
Mahr Federal developed its RPM gage for the dynamic measurement of cylindrical parts such as commutator shafts, turbocharger turbine shafts and other precision shafts in electric motors.

Mahr Federal Expands Direct Sales Coverage in Southeastern U.S.
The move means the impending opening of a new regional demonstration center and the scaling back of a key distributor agreement.

Measurement Products Provide Digital Connectivity
This month’s Modern Equipment Review Spotlight focuses on equipment and software for measurement and inspection.

Leica Absolute Scanner LAS-20-8 from Hexagon Manufacturing Intelligence

July 2016 Product Spotlight Slideshow: Measurement and Inspection
This month’s Modern Equipment Review Spotlight focuses on equipment and software for measurement and inspection.

Mahr Federal MarCal MarCator

Digital Calipers, Indicators Enable Wireless Data Transmission
Mahr Federal wireless data transmission capability is now integrated within its families of MarCal digital calipers and MarCator digital indicators.

Mahr Federal Multimar 844 T

Versatile ID/OD Gage Provides Numerous Attachments, Depth Stops, Anvils
The updated Multimar 844 T universal measurement gage from Mahr Federal is designed for gaging IDs and ODs ranging to 2,500 mm with high sensitivity and accuracy.

Mahr Federal Introduces Engineered Metrology Team
The team offers a range of customization, from custom assemblies of standard gages and elements to full gage design with manual, semi-automatic or fully automated operation.

Stuart Manser

Mahr Federal Hires Director of Sales, North America
Stuart Manser has previously worked in various metrology and management positions in the United Kingdom, United States and Asia.

Mahr Federal MarSurf UD 130

Entry-Level System Provides Nanometer-Range Measurement
Mahr Federal offers its entry-level MarSurf UD 130 surface finish and contour measuring system capable of generating both surface and contour measurements in a single pass.

Mahr Federal MarShaft Scope 250 Plus

Measurement Machine Quickly Images Turned Parts
Mahr Federal’s MarShaft Scope 250 Plus is designed to provide fast, accurate, fully automatic measurement of smaller shafts and turned parts directly on the shop floor, featuring a highly accurate matrix camera with 4 million pixels.

Mah Federal metrology catalog

Dimensional Metrology Products Catalog Available
A product catalog from Mahr Federal covering the company’s full range of dimensional metrology products and systems is now available in print, PDF and online digital versions.

Mahr Federal Pocket Surf IV

Surface Finish Gage Offers One-Button Calibration
Mahr Federal’s latest version of its Pocket Surf portable surface finish gage includes updated electronics and additional features.

Mahr Federal MarCal 16 EWRi digital calipers

Digital Calipers Equipped with Wireless Data Transmission Capabilities
Mahr Federal has added wireless data transmission capabilities to its MarCal 16 EWRi digital calipers with a low-power, built-in transmitter.

Mahr Federal Optimar 25 long-range indicator calibrator

Long-Range Indicator Calibrator Resist Backlash
Mahr Federal’s Optimar 25 long-range indicator calibrator is said to be accurate to ±10 microinches (±0.3 microns) with a full 0-to-1" (25 mm) range.

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.

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