Electronic Readout/Measurement Systems

Quadra-Check 121®

The QC-121 is a flexible, compact and precise digital readout that provides very high levels of precision and accuracy.

Features include:

  • High-visibility LCD display
  • Versatile display console
  • Resolution 0.00005" or 0.001mm
  • Inch/metric conversion
  • Incremental or absolute measurement
  • Zero-reset
  • Linear error compensation
  • Sound feedback
  • RS232C serial port
  • Parrellel port
  • Languages - English, Spanish, Italian, German French


Quadra-Check® 221

An advanced digital readout system for performing 2-axis measurements at very high levels of precision and accuracy.

Record desired feature and construction measurements quickly, easily and accurately with the time-saving, patented Measure Magic® technology. Features easy-to-use programming and data management output

All the feature of the QC-100 plus:

  • Skew function for rapid part alignment correction
  • Single key calculation for angles, radius/diameter, distances, etc.
  • Display in either polar or Carlesian coordinates
  • 200 point feature memory (stored or displayed)
  • Three built-in reports (Feature, Tolerance, .csv or Excel export)
  • QC-221 E includes Automatic Edge Detection. Achieve hight throughput, more accurate measurements and more consistent data with optical comparators using optical edge detection. Automatic point entry reduces operator subjectively and fatigue.


Quadra-Check® 300

The new Quadra-Check 300 Series Geometric Readout features an enhanced touch-screen interface and patented Measure Magic® technology. It is ideal for the measurement of 2D features. All QC-300 Series modules include parallel, serial and USB ports for use with printers and in networkds.

The video capabilities of the QC-300 are utilized by the Starrett DV2 Optical Video Adapter.

  • LCD 8.4" color touch screen SVGA
  • Enclosure (W x H x D) 11.5" x 7.5" x 2.75
  • Base (W X H x D) 10" x 2" x 7.5
  • Inputs Up to 4 axes, external connections including footswitch, remote keypad, RS232C serial port, parrellel port and USB port
  • Inch/metric conversion
  • Video edge detection (VED) option
  • Graphical display for tolerance, features, etc.
  • Two styles of manual crosshair (used by QV2
  • Single edge video tool enables automatic entry of single points