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Physical Standards


Reflectance Standards & Kits

Reflectance Standards & Kits

Kits are available to produce both 25mm and 52mm diameter standards.
Technology From: Avian Technologies

Reflectance Standards & Kits

The CIE

International Commission on Illumination
and ASTM
American Society for Testing and Materials
both specify either packed barium sulphate or packed polytetrafluoroethylene (PTFE) powder as standards for the measurement of diffuse reflectance. Warsash Scientific offer kits for the accurate and reproducible fabrication of such standards. Kits are available to produce both 25mm and 52mm diameter standards. Barium sulphate kit is available in 25mm size only.

The kits consist of a three part press, two calibrated cups for the production of the standards, and 500g of either highly purified barium sulphate or PTFE

polytetrafluoroethylene
powders which have been finely ground to remove lumps which may cause a reduction in reflectance from the literature reflectance values. Additional refills of the standard powders are also available. Instructions for use of the presses are included.

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Transmittance Standards

Transmittance Standards

Transmittance Standards are useful in the calibration of spectrophotometric, photometric, or radiometric systems.
Technology From: Avian Technologies

Transmittance Standards

Transmittance Standards are useful in the calibration of spectrophotometric, photometric, or radiometric systems. Calibrated filters are used to assess the dynamic range of detectors and optical systems.

Products
  • Neutral Density (ND) Filter Sets
  • Transmittance Wavelength Calibration Standards
  • Colour Filter Sets
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Whiteness and Fluorescence Standards

Whiteness & Fluorescence Standards

Technology From: Avian Technologies

Whiteness & Fluorescence Standards

The fluorescent properties of the FTS (Professor Frederick T. Simon) tiles make them ideal for applications involving the measurement of fluorescent whitening agents (FWA) common in office papers. In measurement it is always good practice to use similar standards whenever possible.

Axiphos Plastic and UV

Ultraviolet
activated Chromatic Fluorescent Standards are used as secondary fluorescent standards for instruments measuring whiteness. These standards have extremely low gloss, are thermally stable, and exhibit high light-fastness.

Products Include
  • FTS
    Professor Frederick T. Simon
    White Acrylic Standards
  • FTS
    Professor Frederick T. Simon
    Comparison to Ciba-Geigy Whiteness standards
  • High Brightness Standards
  • Medium Brightness/Low Tint Standards
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Remote Sensing Targets

Remote Sensing Targets

These targets have been used in laser range-finding in harsh conditions in the Australian outback.
Technology From: Avian Technologies

Remote Sensing Targets

Avian Technologies uses a modification of its Avian-D coating technology along with a highly stable tinting system to produce the targets. These targets have been used in laser range-finding in harsh conditions (the Australian outback) as well as more traditional remote sensing applications.

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All products and information are subject to change without notice.