LithoSpectral Web

LithoSpectral Web enables the spectral measurement and color control of printed products especially in web offset printing. Measurement is performed in print control strips or at appropriate positions in the printed image, and the system can achieve considerable savings in a short time.


Customer Benefits:
  • High savings thanks to LithoDyn dynamic control
  • Minimal energy costs thanks to LED lighting
  • Clearly structured user-friendly interface
  • Definable print control strips
  • Long service life and low operating costs
  • Can be adapted to various printing machines
Application Areas:
  • Measurement and control of Lab values and the densities of process inks and special colors
  • For web offset printing machines with a production width of 52-205 cm
  • Monitoring of tone value increase, print contrast, trapping, delta-E and contamination parameters
  • Compact complete system for new and used printing machines

LithoSpectral Web

Measurement Methods and Sensors:
  • Wear-free sensors
  • LithoSpectral on a cylinder lab and density measurement similar to ISO (with 0/45)
  • Parallel measurement over the entire printing width
  • Measurement of turn
  • 0/45° or DOM optics
  • Maintenance-free and long-life LED measuring light
  • Density measurement range 0.0 – 2.2 D
  • Using existing print control strips is possible
  • Freely selectable height, width and configuration of measurement fields (min. size 3x4mm)
  • Strip library for optional use of various print control strips
  • Reproducibility: 0.01 D depending on the measurement condition
  • Line feed up to 15 m/s

Scope of Delivery:
  • Sensor unit
  • Control unit, industrial PC with 21″ touch screen
  • For the operation of necessary electrical and mechanical assemblies
  • LithoDyn (dynamic control)
  • LithoJobChange (dynamically controlled job change)
  • LithoFlash One Shot (control at machine standstill)
Options for the LithoSpectral® System:
  • Web offset printing
  • Metal printing
  • General color measurement tasks in high-speed processes
  • LithoSpectral Web


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