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Scanning spectrophotometer

TECHKON SpectroJet revolutionizes automatic measurement of print quality on print control bars, color wedges, and test charts. Color measurement is made easy: The compact measurement device is quickly guided by hand along the color bar. Tracking wheels on the bottom of the device ensure a secure and straight run. For longer scans, the device can be slid along a guidance track. The measurement data is transferred immediately to a PC with compatible software, allowing for control of color quality of the printing press.


  • The SpectroJet, a “spectrophotometer on wheels”, automatically measures density and color values of process and spot colors, and simultaneously transfers the measurement data to a PC within seconds.

Easy to Use

  • The device is simply guided by hand along color test patches,with tracking wheels to ensure a straight run.


  • The instrument can be used for automatic scanning or as a hand-held device for “spot check” measurements

G7 functionality with recommended ink key specific adjustments of C,M,Y densities to obtain neutral values according to the G7 specification

Can be measured anywhere on the press sheet.

InkCheck feature measures density and color and suggests ink key specific density changes to obtain more accurate color.

Specification Types image MODELS
SpectroJet + Software ExPresso Basic SpectroJet + Software ExPresso Pro
Ink zone specifi c density display
Color density for CMYK and spot colors (spectral density)
Densitometric gray balance
Dot area, dot gain and printing contrast
Slur/doubling value
Target values and tolerances; OK-sheet/td>
Measurement data export
Face- and reverse printing
Works with any sheet format and color bar length; display of single measurements when used as a hand-held device
Statistical analysis and report
Supports up to 6 printing units
Ink zone specifi c colorimetric ΔE*a*b* display, CIE L*a*b*, ΔL*a*b*, CIE L*C*h*, ΔL*C*h*
“InkCheck” recommendation for ink key setting
Display and evaluation according to ISO 12647 (PSO), Gracol G7™ generator
Supports up to 16 printing units

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