Air Gages (92 companies)
Air gages use pneumatic pressure and flow to measure or sort dimensional attributes.
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Balancing Machines and Systems (64 companies)
Balancing machines and systems dynamically measure and/or correct machine or component balance.
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Biological Microscopes (103 companies)
Biological microscopes are used to study organisms and their vital processes.
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Bore and ID Gages (156 companies)
Bore and ID gages are designed for internal diameter dimensional measurement or assessment.
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Borescopes (114 companies)
Borescopes are inspection tools with rigid or flexible optical tubes for interior inspection of holes, bores, cavities, etc.
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Calipers (204 companies)
Calipers typically use a precise slide movement for inside, outside, depth or step measurements. Some caliper types are used for comparing or transferring dimensions.
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CMM Probes (71 companies)
Coordinating measuring machine (CMM) probes are transducers that convert physical measurements into electrical signals, using various measuring systems within the probe structure.
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Color and Appearance Instruments (109 companies)
Color and appearance instruments are used to measure the properties of paints and coatings including color, gloss, haze and transparency.
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Color Sensors (72 companies)
Color sensors register items by contrast, true color, or translucent index. True color sensors are based on one of the color models, most commonly the RGB model (red, green, blue).
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Coordinate Measuring Machines (CMM) (152 companies)
Coordinate measuring machines (CMMs) are mechanical systems designed to move a measuring probe to determine the coordinates of points on a work piece surface.
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Depth Gages (128 companies)
Depth gages are used to measure of the depth of holes, cavities, or other component features.
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Digital and Video Microscopes (164 companies)
Digital and video microscopes are instruments that use digital technology to magnify images of objects. They include built-in cameras and a series of high-powered lenses that provide superior image quality and resolution.
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Digital Readouts (113 companies)
Digital readouts are specialized displays for position and dimension readings from inspection gages and linear scales, or rotary encoders on machine tools. 
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Dimensional Gages and Instruments (962 companies)
Dimensional gages and instruments provide quantitative measurements of product or component dimensional and form attributes such as wall thickness, depth, height, length, inner diameter (ID), outer diameter (OD), taper or bore.
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Dimensional and Profile Scanners (233 companies)
Dimensional and profile scanners gather two-dimensional (2D) or three-dimensional (3D) information about an object.
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Electron Microscopes (44 companies)
Electron microscopes use a focused beam of electrons instead of light to "image" the specimen and gain information as to its structure and composition.
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Fiberscopes (74 companies)
Fiberscopes are inspection tools with flexible optical tubes for interior inspection of holes, bores, and cavities.
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Fixed Gages (60 companies)
Fixed gages are designed to access a specific attribute based on comparative gaging. Learn more about Fixed Gages

Form Gages and Form Gaging Systems (62 companies)
Form gages and form gaging systems are used to inspect parameters such as roundness, angularity, squareness, straightness, flatness, runout, taper and concentricity. 
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Gage Blocks (86 companies)
Gage blocks are manufactured to precise gagemaker tolerance grades for calibrating, checking, and setting fixed and comparative gages.
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Height Gages (118 companies)
Height gages are used for measuring the height of components or product features.
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Indicators and Comparators (163 companies)
Indicators and comparators measure where the linear movement of a precision spindle or probe is amplified.
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Inspection, Layout and Gaging Accessories (89 companies)
Inspection accessories, layout accessories and gaging accessories include probes, sensors, hand tools, styli, contact tips, supplies and other components for dimensional measurement, inspecting, marking, layout or other manufacturing or machine shop applications. Learn more about Inspection, Layout and Gaging Accessories

Interferometers (93 companies)
Interferometers measure distance in terms of wavelength and determine the wavelengths of light sources.
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Laser Micrometers (58 companies)
Laser micrometers measure extremely small distances using laser technology.
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Levels (133 companies)
Levels are mechanical or electronic tools that measure the inclination of a surface relative to the earth's surface.
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Machine Alignment Equipment (69 companies)
Machine alignment equipment is used to align rotating or moving parts and machine components. Learn more about Machine Alignment Equipment

Magnifiers (116 companies)
Magnifiers are inspection instruments that are used to magnify a product or part detail via a lens system.
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Masters and Setting Gages (76 companies)
Masters and setting gages provide dimensional standards for calibrating other gages.
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Measuring Microscopes (77 companies)
Measuring microscopes are used by toolmakers for measuring the properties of tools.  These microscopes are often used for dimensional measurement with lower magnifying powers to allow for brighter, sharper images combined with a wide field of view.
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Metallurgical Microscopes (64 companies)
Metallurgical microscopes are used for metallurgical inspection including metals, ceramics, and other materials.
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Micrometers (206 companies)
Micrometers are instruments for precision dimensional gaging consisting of a ground spindle and anvil mounted in a C-shaped steel frame.  Noncontact laser micrometers are also available.
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Microscope Accessories and Supplies (196 companies)
Microscope accessories and microscope supplies are used with many different types of microscopes, including dissection or stereoscopic, compound, and confocal devices. Learn more about Microscope Accessories and Supplies

Microscope Stages (50 companies)
Microscope stages are platforms where specimens are placed for observation with a microscope. They are often equipped with a mechanical device which holds the specimen slide in place, but allows the back-and-forth and side-to-side movement of the slide.
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Microscopes (528 companies)
Microscopes are instruments that produce magnified images of small objects
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Microscopy and Metallography Sample Preparation Equipment (73 companies)
Microscopy sample preparation equipment and metallography sample preparation equipment is used for the preparation of samples for metallographic or microscopic inspection and analysis. Learn more about Microscopy and Metallography Sample Preparation Equipment

Optical and Light Microscopes (188 companies)
Optical and light microscopes use the visible or near-visible portion of the electromagnetic spectrum to magnify images of objects.
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Optical Comparators (89 companies)
Optical comparators are instruments that project a magnified image or profile of a part onto a screen for comparison to a standard overlay profile or scale. 
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Pigging Systems and Pigging Products (52 companies)
Pigging systems and pigging products are used to inspect, clean, or service a portion of piping without stopping the process flow. Learn more about Pigging Systems and Pigging Products

Plug and Pin Gages (163 companies)
Plug and pin gauges are used to compare hole and slot dimensions or locations to specific tolerances. This product area includes go gauges and no-go gauges. 
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Protractors and Angle Gages (59 companies)
Protractors and angle gages measure the angle between two surfaces of a part or assembly.
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Ring Gages (107 companies)
Ring gages are used for go / no-go assessment compared to the specified dimensional tolerances or attributes of pins, shafts, or threaded studs.
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Rules and Scales (162 companies)
Rules are flat, graduated scales used for length measurement.  For OEM applications, digital or electronic linear scales are often used.
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Semiconductor Metrology Instruments (143 companies)
Semiconductor metrology instruments are designed for wafer and thin film in-line inspection after semiconductor processing. They include capacitance gages, C-V systems, electron beam probes, ellipsometers, interferometers, I-V system, magnetometers, optical systems, profilometers, reflectometers, resistance probes, RHEED systems, and X-ray diffractometers.  
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Snap Gages (52 companies)
Snap gages are used in production settings where specific diametrical or thickness measurements must be repeated frequently with precision and accuracy.
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Specialty Dimensional Gages and Systems (215 companies)
Specialty or proprietary gages, instruments or gaging systems for dimensional measurement. Learn more about Specialty Dimensional Gages and Systems

Specialty Microscopes (167 companies)
Specialty microscopes are designed for specific applications such as metallurgy or gemology. They use specialized techniques or technologies such as acoustics to produce magnification.
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Squares (54 companies)
Squares are used to indicate, by visual comparison, whether two surfaces are perpendicular. Most products consist of a simple, fixed standard and a beam and blade with a mutual orientation of 90 degrees.
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Styli and Probes (61 companies)
Styli and probes are slender, rod-shaped stems and contact tips or points used to probe surfaces in conjunction with profilometers, SPMs, CMMs, gages and dimensional scanners. Learn more about Styli and Probes

Surface Profilometers (150 companies)
Surface profilometers are contact or non-contact instruments used to measures surface profiles, roughness, waviness and other finish parameters.
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Surface Metrology Equipment (224 companies)
Surface metrology equipment is used to measure the surface finish and/or geometry of engineering components. Surface texture and topology characteristics include surface roughness, contour, form, waviness and defects.
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Surveying Instruments (103 companies)
Surveying instruments are used for the accurate measurement of features, orientation and absolute positioning of large scale objects in engineering, construction, mapping, industry, defense and other applications. Learn more about Surveying Instruments

Thread Gages (149 companies)
Thread gages are dimensional instruments for measuring and/or verifying thread size, pitch or other parameters.
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Thin Film Process Monitors (40 companies)
Thin film process monitors are used to control thin film deposition rate or composition during processing. Learn more about Thin Film Process Monitors

Videoscopes (78 companies)
Videoscopes are inspection tools that capture images from inside holes, bores or cavities.
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Wafer and Thin Film Instrumentation (296 companies)
Instruments such as quartz crystal microbalance (QCM) monitors, ellipsometers, RHEED systems, imaging stations, CD-SEMs, ion mills, C-V systems specifically designed for wafer metrology or in-situ monitoring of thin film parameters during thin film or semiconductors wafer processing.
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