Contrast tester CT-1

  • Measure the performance of resist ink (as known as color resist)
  • Performance is calculated by the contrast between the minimum and the maximum of brightness
  • Light source can be changed to others (choose from halogen or LED)
  • It can be selected a luminance meter depending on required measurement items (If it needs to measure only brightness or both brightness and spectrum)
  • Professional model can measure multiple points, in addition it is attached simple clean air system and a heater


Model CT-1
Light source Light source unit for CT-1
1) Halogen
2) LED (Model : CT-LE-10U)
function 1) The measurement indication of the contrast
2) Output measurement data by CSV file
Object to be inspected resist ink
Measurement item 1)Contrast
2)Maximum brightness
3)Minimum brightness
4)Chromaticity xy
※It depends on a luminance meter
Display / Operation PC software operation
Supported OS Windows7,10
Luminance meter 1) Product made in TOPCON TECHNOHOUSE CORPORATION
Luminance Colorimeter BM-5AC
Spectroradiometer SR-UL2
2) Product made in KONICA MINOLTA, INC.
Luminance meter LS-150
Spectroradiometer CS-2000A
Communication I / F USB 2.0
Power-supply voltage AC100 - 240V 50/60Hz
Dimensions (WxHxD) [mm] 420 x 1,650 x 420
Weight [kg] 60
Extension 1) Simple clean air system
2) Multiple points measurement function
3) Sample automatic conveyance function (CT-1ATS series)

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