B.C. Ames - Framingham, MA
Manufacturer, Custom Manufacturer
Manufacturer of dial comparators including dial comparator gages. English & metric models available. Optional attachments are available & indicators are interchangeable on all comparators. Features include specific gaging forces, jeweled movements, ranges up to 12 in & graduations/resolutions down to .00005 in.
bcames.rtrk.com/?scid=1961551&rl_alt=http%2...

S-T Industries, Inc. - Saint James, MN
Manufacturer
Manufacturer & worldwide distributor of digital optical comparators. Types of digital optical comparators include horizontal & vertical beam optical comparators. Available in 14 in., 16 in., 24 in. & 30 in. size models. Digital optical comparators feature steel body construction & rotating glass screen with digital readout protractor. Standard 14 in. horizontal digital optical comparator include 4 in. x 10 in. stage travel & 50 lbs. weight capacity. Remanufactured used digital comparators are also available. Made in the USA.
www.stindustries.com/products.html

Mahr Federal, Inc. - Providence, RI
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2000 certified manufacturer of digital comparators. Comparators are available with background lit display, SPS control output, with tolerance function & measuring system.
www.mahr.com/index.php?NodeID=207&ContentID...

Selco Products Co. - Reno, NV
Manufacturer, Custom Manufacturer
ISO 9001:2008 & AS 9100C certified custom manufacturer of digital comparators. Digital comparators are available in various series with specifications including 0 degrees C to 50 degrees C temperature, 24 V power supply, 24 in. x 48 in. x 87.5 in. D in size, 0.03 rgd accuracy & weight up to 100 g.
catalog.selcoproducts.com/category/all-cate...

Warren-Knight Instrument Co. - Philadelphia, PA
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of comparators including dial & digital comparators. Available in types including flip-flop comparators. Products include dual axis clinometers. Certification, calibration, repair & rental services available with NIST traceability. Markets served include the military, research institutes & commercial industries.
www.warrenknight.com/products/product-catal...

Precision Calibration Services, Inc. - Roseville, MI
Distributor, Service Company
ISO/IEC 17025:2005 certified distributor of optical comparators with digital readouts. Features include precision telecentric lenses up to 100 magnifications, constant or variable speed horizontal drive with precision ground hard chrome plated table, high contrast shadow projection with 250 W mercury arc lamp, 0.00005 in. resolution glass scales & standard variable speed power vertical drives. Optical comparators for geometric computation are also available.
Brand Names: CLASSIC
www.precisioncalibration.com/catpages/compa...

Dual Manufacturing Co., Inc. - Franklin Park, IL
Manufacturer, Service Company
Manufacturer of standard & custom laboratory & test equipment including digital & length type comparators for analyzing & testing asphalt, cement concrete, soil particles & petroleum products. Industries served include laboratory, research & petroleum.
www.dualmfg.com/

Brunswick Instrument, LLC - Niles, IL
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of dimensional inspection products; systems & engineering. High resolution gage amplifiers & comparators. Linear gage probes & transducers. Data interfaces. Metrology processor display units performing mathematic & geometric calculation from multiple gage inputs.
www.brunswickinstrument.com

Comtorgage Corp. - Slatersville, RI
Manufacturer, Custom Manufacturer
Internal & External Dimensions

Scientific Technologies, Inc. - Logan, UT
Distributor, Manufacturer, Custom Manufacturer
Manufacturer Of Pressure Transducers & Transmitters; Digital Pressure Gauge Transducers & Transmitters; Strain Gages; Pressure Comparators; Displacement Transducers & Transmitters. Standard Products For User Applications & Custom Products For OEM & Volume Applications

American Calibration, Inc. - Crystal Lake, IL
Distributor, Manufacturer, Custom Manufacturer, Manufacturers' Rep, Service Company
Distributor of material testing systems including digital comparators. Material testing systems are suitable for electrohydraulic & electromechanical testing machines & production, quality control, research, product development & evaluation, bend, tensile & compression testing applications. ISO/IEC 17025:2005 certified & A2LA® accredited calibrating, repairing & CMM & hardness inspection services also available.

XL Engineering - Niles, IL
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of dimensional inspection products.

Cybersys Integration Technology - Melville, NY
Distributor, Service Company
Distributor of digital comparators. Advanced technology semiconductor, display, illumination, power, system & telecommunication products to a wide variety of commercial original equipment manufacturers (OEMs) & electronic manufacturing services providers (EMS).

Barcor Inc. - Deerfield, IL
Manufacturer, Custom Manufacturer, Service Company
Dimensional measurement.

Stark Industrial, LLC - North Canton, OH
Distributor, Manufacturer, Custom Manufacturer, Service Company
Manufacturer & distributor of comparators including digital, gage, internal, external, optical & surface comparators.

Non-Linear Systems - San Diego, CA
Manufacturer, Custom Manufacturer
Manufacturer of standard & custom electronic equipment & instruments such as comparators including digital voltage comparators. Comparators are available in different configurations, input voltages, outputs & displays.

Automation Products Group, Inc. (APG SENSORS) - Logan, UT
Manufacturer, Custom Manufacturer
ISO 9001:2000 certified manufacturer of comparators including digital gage comparators including hydraulic pressure comparators. Features include display capability to 9999, water or oil operated, available pressure for the master gauge from 0 psi to 10,000 psi, on/off switch with optional auto off, spare seal kit with 1/4-18 NPT & 1/2-14 NPT adapters & set of wrenches for mounting & un-mounting gauges. Options include peak hold, external power, zero adjust knob, auto-off, 0-2 VDC output & 0-5 VDC output. Pressure comparators are available with plus/minus 0.1 percent full scale accuracy in select ranges, with NIST certification for master gauge.

VisionGauge - Pointe-Claire, QC
Manufacturer, Custom Manufacturer
Provider & manufacturer of digital optical comparators, profile projectors, contour projectors to easily compare a part with its CAD drawing. Eliminating the shortcomings of traditional optical comparators, these systems produce high-resolution, undistorted digital images with crisp edge profiles. Available in both horizontal & vertical configurations, with & without motorized stages, & with customizable optical configurations.
Brand Names: VisionGauge

Valhalla Scientific - San Diego, CA
Manufacturer
Electronic Measurement & Advanced Power Analysis Equipment: Low Resistance, Ohmmeters, Wattmeters, Digital Instrumentation, Standards & Calibration

Certified Comparator Products (CCP) - Beavercreek, OH
Distributor, Manufacturer, Service Company
ISO/IEC 17025:2000 certified manufacturer & distributor of optical comparators including analog, color, digital & gage comparators. Various features include 14 in. to 30 in. dia. screens, TruLight™ LED illumination, internal lens mount & storage racks, telecentric projection lenses, green LED profile lights, telecentric optics, cast bases & motorized systems. Used optical comparators are also available. Made in USA.

Atlantic Metrology, Inc. - New York, NY
Manufacturers' Rep
Gage Calibration Center, Length Measuring Machines, Bore Gages, Dial Indicators, Levels, & Machinists' Levels

Fepco Tool & Supply - Noblesville, IN
Distributor, Manufacturer, Custom Manufacturer, Manufacturers' Rep, Service Company
ISO 9001:2000 distributor of industrial gages & comparators including digital & optical comparators.
Brand Names: Brown & Sharpe, Fred V. Fowler, Intra Gage, Mahr, R. L. Schmidt, Renishaw, SPI, Starrett, Van...

Micro-Technic Instruments, Inc. - Teaneck, NJ
Manufacturer, Custom Manufacturer, Service Company
Vision Enhansing Instruments For Industry & Industrial Research. Featuring Leica, Stereo Zoom , Metallurgical, Video & Inspection Microscopes. Closed Circuit Television For Microscopes & Cameras & Replacement Lamps & Bulbs For Instruments