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Mounting:

Inspection Table Movement:

Projection / Orientation:

Image Projection:

Telecentric Optics?

Screen Size / Field of View:

Horizontal Measurement Range:

Vertical Measurement Range:

Magnification Range:

X
Allow up to: overrange/margin
Use the overrange/margin to restrict your search to items whose full-scale range is close to your requirements.
(Overrange/margin requires both 'From' and 'To' values to work.)

Resolution:

Digital Readouts?

Electronic Angle Measurement?

Automatic Edge Detection?

Integral Processor?

Computer Interface?

Help with Optical Comparators specifications:

Configuration
   Mounting       
   Your choices are...         
   Handheld / Pocket       Small, portable inspection magnifiers with reticules for various geometric features such as radii, distance scales, etc. 
   Benchtop       Designed to sit on a bench or tabletop.  Typically somewhat smaller than floor-mount models. 
   Floor Mount       Larger units that are freestanding on the floor; often larger than their benchtop counterparts. 
   Other       Other unlisted, specialized, or proprietary type. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Inspection Table Movement       
   Your choices are...         
   Manual       Stages are moved by hand, typically with some mechanical assistance, such as a micrometer feedscrew. 
   Motorized       Table motion is motorized; typically provides precise, consistent movement. 
   CNC       Movement is controlled by or can be tied in with computer numerically controlled (CNC) equipment.  The result is very precise, programmable motion. 
   Other       Other unlisted, specialized, or proprietary inspection table motion control. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Projection / Orientation       
   Your choices are...         
   Horizontal       Image is projected horizontally. 
   Vertical       Image is projected vertically; includes configurations where operator looks "down" at projection; may have a slight angle.  There may also be a 90° reflection to create final projection on a vertical screen.  Most common in floor-mount type comparators. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Image Projection:       
   Your choices are...         
   Inverted       Typical for entry or standard-level comparators, the relatively simple optical system provides an image that is inverted vertically (upside-down) and horizontally (left-to-right).  Adjustment and inspection require some practice. 
   Erect       More advanced optical system renders the image in its natural or "correct" orientation; image appears in the same orientation as the part being measured or evaluated. 
   Search Logic:      All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.
   Telecentric Optics?       Advanced optic system that maintains projection size at different points of the focus travel; associated with erect image projection. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
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Specifications
   Screen Size / Field of View:       Diameter of viewing screen; values typically range from 10"-12" for small units to 36"-40" for larger units.  Even larger screen sizes are available. For pocket or hand-held comparators, this specification represents the field of view. 
   Search Logic:      User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.
   Horizontal Measurement Range:       Range of horizontal motion for part inspection; relative part view will depend on factors such as magnification. 
   Search Logic:      All matching products will have a value greater than or equal to the specified value.
   Vertical Measurement Range:       Range of vertical motion for part inspection; relative part view will depend on factors such as magnification. 
   Search Logic:      All matching products will have a value greater than or equal to the specified value.
   Magnification Range:       Range of part magnification, typically changed by changing comparator lenses. 
   Search Logic:      User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.
   Resolution:       Smallest unit of distance that can be discriminated by the comparator. 
   Search Logic:      All matching products will have a value less than or equal to the specified value.
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Features
   Digital Readouts       Numeric readouts, either on simple displays such as LCDs, or more advanced video displays. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Electronic Angle Measurement       Measurement of angles such as for notches, vees, chamfers, and tool geometry is captured electronically, avoiding manual and visual operator manipulation. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Automatic Edge Detection       Electronics that capture part edges automatically, increasing repeatability, and minimizing dependence on operator visual skill for part measurement consistency. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Integral Processor       On-board processor for inspection and measurement calculations, statistical tracking, and other mathematical functions. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
   Computer Interface       Connects to a computer with a standard communication interface for functions such as data acquisition and logging, statistical process control, etc. 
   Search Logic:      "Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.
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