3WI.COM

HOTLINE: +86-021-64601150
Prouducts
  • TS8290 Portable Benchtop Spect
  • 3nh YG60S 60° Economical gloss
  • non-contact spectrophotometer
  • non-contact spectrophotometer
  • TS8296 Benchtop Spectrophotome
Contant

EMAIL: sale0001@3nh.com

TEL:+86-021-64601150

FAX:+86-21-61278128

News
  • 3nh company history

    3nh company history

    3nh starts from 1998, and has launched YS series Grating spectrophotometer, NS series spectrophotometer and NH, NR series colorimeter, ISO12233 resolution test chart, optical image test solution and s...

  • Shanghai ChinaCoat 2017 - 3nh

    Shanghai ChinaCoat 2017 - 3nh

    3nh Shenzhen office will join this China Coat 2017, and we will bring YS series color measuring spectrophotometer, NS series handheld spectrophotometer, portable colorimeter, single angle and tri angl...

  • ISO published new resolution standard for a good reason!

    ISO published new resolution standard for a good reason!

    The International Organization for Standardization published a revision of “ISO 12233 Photography — Electronic still picture imaging — Resolution and spatial frequency responses” in February 2014....

  • How to convert between sRGB and CIEXYZ

    How to convert between sRGB and CIEXYZ

    How to convert between sRGB and CIEXYZ Describing color has always been a complex challenge. Cameras provide their image data in the common sRGB color space, so chances are high that any image ...

  • CIE Standard Observers

    CIE Standard Observers

    In the visual observing situation, the observer is the human eye that receives the light reflected from or transmitted through an object, and the brain which perceives the vision. The visual observing...