Whiteness meter TP-A11

Whiteness meter TP-A11

Whiteness meter TP-A11 is used to measure the whiteness of objects. Its compact, advanced circuit design ensures the accuracy and stability of measurement data. It measures ISO (R457) whiteness and fluorescence whitening of the materials. The whiteness meter is provided with light absorber to eliminate the influence of specular reflection of the sample.

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Sample (size) length Diameter ≥30 mm, Thickness ≤ 40 mm
System D/0 lighting geometrical viewing conditions, diffuser diameter (d) 150mm, testing hole diameter 30mm
Light source D65 as illuminating source
Zero drift ≤ 0.1 %
Indication drift ≤ 0.1 %
Indication error ≤ 0.5 %
Repeatability error ≤ 0.1 %
Mirror reflection error ≤ 0.1 %
Dimension (L*W*H) 360 × 264 × 400 mm
Net weight 20 kg
Power supply 220 V ± 10 %, 50 Hz
  • Stimulate D65 illuminator to illuminate
  • Adopted with D/0 lighting geometrical viewing conditions
  • Determination of brightness stimulation value
  • Determine the opacity
  • Determination of transparency
  • Determination of light scattering coefficient 'S' and optical absorption coefficient 'A'
  • Measuring ink absorption value
  • Equipped with RS232 interface, with PC connections for data communication
  • Use of large screen color touch LCD to view measurement, statistical data
  • User-friendly data operations
  • Power protection, No loss of data on Power off

Whiteness meter is widely used to measure whiteness in paperboard, textile printing & dyeing, paint, plastic products, ceramic, enamel, detergent, cosmetics.

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