Techkon SpectroJet Techkon SpectroJet
Techkon SpectroJet Techkon SpectroJet
Techkon SpectroJet Techkon SpectroJet

Techkon SpectroJet

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

Scan-Measurement device SpectroJet
Color control - fast and easy to use

SpectroJet is a „spectrophotometer on wheels“ which automatically measures the densities and color values of process- and spot-colors and simultaneously transfers the measurement data to a PC within seconds.

It revolutionizes automatic measurement on any color control bar for any printing process. The device is simply guided by hand along the color test patches. Tracking wheels on the bottom ensure a straight run.

Simultaneously the accurate, spectral measurement data is sent to the PC where all relevant information for controlling the printing press is displayed.

SpectroJet is equipped with a high resolution spectral sensor element including a true physical, switchable polarizing filter which analyzes the color samples under standardized conditions meeting ISO and Gracol G7 requirements. The measurement data can be exported into other software applications that connect real-time to printing presses to enable a "closed loop" turn-key solution. One unique feature is its flexibility to be used with any press type or format. It is delivered as a complete turn-key system.

SpectroJet and the related PC-software ExPresso are practical utilities that adhere to standards as for example ISO 12647 and Gracol G7.

Technical Specifications
Measurement method: Spectral remission measurement and color density measurement according to ISO 5-3/4
Measurement geometry: 0/45° optics to DIN 5033
Measurement aperture 1,5 mm, appropriate for measuring patches with at least 3 mm height and 3 mm width. UV cut filter optional
Light source Gas filled lamp, type A illumination
Polarization filter: Twice linear crossed, switched on and off per software command
Measurement time: typ. 160 mm/s; max. 400 mm/s (for color bars with 8mm width); single measurement approx. 1 second
White reference: Absolute and relative
Illumination types / Standard observer: A, C, D50, D65, F / 2°, 10°
Density filter: DIN 16536, DIN 16536 NB, ISO/ANSI T, ISO/ANSI I, ISO E, spectral density Dmax
Density measurement range: 0.00 – 2.50 D
Repeatability: 0.01 D, 0,03 CIE dEab
Production Spread: 0.01 D, 0,3 CIE dEab
Data transmission: USB-connection
Power Supply: AC Adapter 110 – 240 V, 47 – 63 Hz
Dimensions / Weight: 70 x 135 mm, 360 grams

SpectroJet + Software ExPresso Basic

Consists of the scan-measurement device SpectroJet and the Windows software TECHKON ExPresso Basic with the following functions: Ink zone specific 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, 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.

SpectroJet + Software ExPresso Pro

Same functions as the Basic package and additionally: 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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