Equipment for metrology, inspection and quality control of dimensional features.
Dimensional Measurement Categories

Air Gages (94 suppliers)

Air gages use pneumatic pressure and flow to measure or sort dimensional attributes.

Bore and ID Gages (194 suppliers)

Bore and ID gages are designed for internal diameter dimensional measurement or assessment.

Calipers (265 suppliers)

Calipers typically use a precise slide movement for inside, outside, depth or step measurements. Some caliper types are used for comparing or transferring dimensions.

CMM Probes (89 suppliers)

Coordinating measuring machine (CMM) probes are transducers that convert physical measurements into electrical signals, using various measuring systems within the probe structure.

Coordinate Measuring Machines (CMM) (167 suppliers)

Coordinate measuring machines (CMMs) are mechanical systems designed to move a measuring probe to determine the coordinates of points on a work piece surface.

Depth Gages (161 suppliers)

Depth gages are used to measure of the depth of holes, cavities, or other component features.

Dimensional and Profile Scanners (345 suppliers)

Dimensional and profile scanners gather two-dimensional (2D) or three-dimensional (3D) information about an object.

Dimensional Gages and Instruments (1,151 suppliers)

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.

Dimensional Indicators and Comparators (203 suppliers)

Dimensional indicators and comparators measure where the linear movement of a precision spindle or probe is amplified.

Fixed Gages (71 suppliers)

Fixed gages are designed to access a specific attribute based on comparative gaging. These gages are used for quickly assessing approximate size in a go / no-go manner.

Form Gages and Form Gaging Systems (92 suppliers)

Form gages and form gaging systems are used to inspect parameters such as roundness, angularity, squareness, straightness, flatness, runout, taper and concentricity. 

Gage Blocks (107 suppliers)

Gage blocks are manufactured to precise gagemaker tolerance grades for calibrating, checking, and setting fixed and comparative gages.

Height Gages (160 suppliers)

Height gages are used for measuring the height of components or product features.

Levels (197 suppliers)

Levels are mechanical or electronic tools that measure the inclination of a surface relative to the earth's surface. Levels vary from simple mechanical devices to complex electronic sensors that digitally readout angular level values.

Magnifiers (158 suppliers)

Magnifiers enlarge the appearance of objects when viewed through a lens. These facilitate the inspection of fine details and the assembly of small components.

Masters and Setting Gages (87 suppliers)

Masters and setting gages provide dimensional standards for calibrating other gages.

Measuring Microscopes (101 suppliers)

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.

Metrology Fixtures and CMM Fixtures (61 suppliers)

Metrology fixtures and CMM fixtures are used to hold and position parts, probes, or workpieces during dimensional gaging and other measurement operations.

Micrometers (255 suppliers)

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.

Microscope Stages (71 suppliers)

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.

Microscopes (705 suppliers)

Microscopes are instruments that produce magnified images of small objects

Microscopy and Metallography Sample Preparation Equipment (103 suppliers)

Microscopy sample preparation equipment and metallography sample preparation equipment is used for the preparation of samples for metallographic or microscopic inspection and analysis.

Microtomes (16 suppliers)

Microtomes are machines that cut extremely thin sections from a sample for transmitted electron (TEM) or light microscopy applications.

Optical Comparators (114 suppliers)

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. 

Plug and Pin Gages (173 suppliers)

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. 

Protractors and Angle Gages (86 suppliers)

Protractors and angle gages measure the angle between two surfaces of a part or assembly.

Ring Gages (116 suppliers)

Ring gages are used for go / no-go assessment compared to the specified dimensional tolerances or attributes of pins, shafts, or threaded studs.

Rules and Length Gauges (237 suppliers)

Rules and length gauges are flat, graduated scales used for length measurement.  For OEM applications, digital or electronic linear scales are often used.

Snap Gages (58 suppliers)

Snap gages are used in production settings where specific diametrical or thickness measurements must be repeated frequently with precision and accuracy.

Squares (87 suppliers)

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.

Styli and Probes (79 suppliers)

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.

Surface Metrology Equipment (327 suppliers)

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.

Surface Profilometers (195 suppliers)

Surface profilometers are contact or non-contact instruments used to measures surface profiles, roughness, waviness and other finish parameters.

Thickness Gages (378 suppliers)

Thickness gages are used to make precise dimensional measurements on coatings and materials such as steel, plastic, glass, rubber, ceramics, paint, electroplated layers, and enamels.

Thread Gages (175 suppliers)

Thread gages are dimensional instruments for measuring and/or verifying thread size, pitch or other parameters.


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