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Brightness Reflectance Meter (opacity Tester)

BRIGHTNESS TESTER is intended for measuring the Brightness & Opacity of the paper. It is photoelectric measuring instrument, which conrms to the international standards. Glowing LED display eliminates the possibilities of reading errors and provides high-speed operation. For electronically measuring and digitally presenting the Brightness, Opacity and Gloss of the paper and other similar material by angular reflectance (Photovolt Type) Made with imported optical.

ACCESSORIES:

  1. White Enamel Standard.
  2. High Reflectance White Enamel Standard.
  3. Polished Black Glass.
  4. Cavity represents a sample of zero reflectance

FEATURES:

  • Brightness & Opacity of paper direct in percentage measures.
  • Optical, Light source and transducer.Imported
  • For paper with white surface backing and deep blue gelatin light lter.457 nm
  • Gloss search unit measures the gloss of the paper by providing the incident light of 750 on sample paper.
  • Quartz-tungsten halogen lamp to provide highly stable light source.
  • Accuracy : = 0.1% Brightness, opacity.
  • Weight : 15 kg.Approx

CONNECTION:- Power supply 220 ±5% volts, sigle phase 50 Hz 25 Watts.

SPECIFICATIONS:

  • Display System : Digital Direct read out.
  • Measurement : Brightness, Opacity and Gloss
  • Measurement Area : 10mm Dia.
  • Light Source : 6V, 1 A. Tungsten Lamp.
  • Filters (kinds) : Blue, Green, Amber.
  • Sensor : Selenium Photocell.
  • Brightness Search Unit : Consist of deep blue gelatine lter #49, between photo voltaic cell, Infra-red absorbing glass and source of light.
  • Opacity Search Unit : Consist of green filter of the set of tristimulus filters.
  • Gloss Search Unit : Consist Glass filter and measures gloss as specular reflectively at 75o angle of incidence.
  • Accuracy  : ± 1% of FSD.
  • Power Supply  : 230 ± 5% volts, 50 cycles AC. Provided with a built in highly stabilized power supply to stabilize light intensity of the lamp.
  • ACCESSORIES :
    • i. White Enamel Standard.
    • High Reflectance White Enamle Standard.
    • Polished Black Glass.
    • Cavity represents a sample of zero reflectance.

The unit has been designed in accordance with TAPPI, ASTM and ISI (1060 Part I& II) 1960 standards.

OPTION:

Powder Press for tablet preparation to measure the brightness and other value of powdered material.