ACS Calibration LEDs

LED calibration standards in the ACS series

As market leader for LED metrology, Instrument Systems also offers calibration standards on an LED basis. The ACS-570 series has been configured for the photometric quantities of luminous intensity or rather averaged LED intensity and luminous flux. The ACS-585 is suitable for the calibration of luminance. With both LED calibration standards, color coordinates x and y can additionally be verified.

The LED calibration standards enable simple and reliable check of the calibration of Instrument Systems measuring instruments. If necessary, the photometric absolute value can be recalibrated according to the substitution method recommended by the CIE.

General features

  • Temperature stabilized, cooled high-power LED in housing with very low thermal conductivity guarantees extremely high photometric stability
  • Calibration is traceable to national standards
  • Advantageous recalibration of measuring systems at customer’s location
  • 0.5 % photometric stability over min. 100 operating hours
  • Highest degree of operational reliability due to the elimination of manual settings when used with the PSU 10 control unit
  • Comprehensive solution with power source, temperature stabilization and software
  • Features of the ACS-570

  • Reference values for luminous flux and medium luminous intensity, traceable to PTB standards (conforming to DIN ISO 17025)
  • Specification of color coordinates, dominant wavelength and color temperature
  • Available in the primary colors red, green, blue and white
  • Calibration standard for radiant flux in infrared available from Fall 2017
  • Features of the ACS-585

  • Reference values for luminance
  • Specification of color coordinates and color temperature
  • Supports the testing of all luminance meters on both filter and spectroradiometric basis
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