ACS Calibration LEDs


ACS-Calibration-LEDs

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-586/587 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.

 

Calibration LEDs come in three basic colors: green, red, blue, as well as in white, which covers the entire visible range.

To operate to LED calibration standards, a temperature control unit and a constant current source are necessary. They can be controlled by using the LED Control software developed by Instrument Systems.

ACS 570 UV LED Calibration Data Sheet

ACS 570 LED Calibration Data Sheet

ACS 570 IR LED Calibration Data Sheet

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Features

  • Temperature-stabilized, cooled high-power LED in a casing with very low thermal conductivity guarantees exceptionally high photometric stability of 0.1%
  • Applicable for the optical parameters Averaged LED Intensity, luminous flux, color coordinates, dominant wavelength and color temperature
  • Compatible with the full range of accessories supplied by Instrument Systems
  • Calibration is based on national standards
  • Software LED Control with integrated PID control parameters for optimized control of LED, temperature regulation and current source
  • The light exit through a diffuser ensures a Lambertian radiation pattern
  • Light intensity 0.5 – 2 cd or 1 – 3 lm

Specifications

LED Dominant Wavelength [nm] or Correlated color temperature Tn [K] Averaged LED Intensity Luminous flux
White 6400 – 7000 K 1.3 cd 2.8 lm
Blue 465 nm 0.5 cd 1.0 lm
Green 530 nm 1.0 cd 2.2 lm
Red 630 nm 0.7 cd 1.5 lm
Operating current 350 mA +/- 0.05 mA
Temperature at the control point +/- 0.05°C
Photometric stability 0.1% at 25°C +/-2°C ambient temperature
0.5% at 25°C +/-5°C ambient temperature
Length 145 mm
Weight 750 g
Compatibility All measurement adapters supplied by Instrument Systems with a diameter of 25 mm
Electrical connections 2 banana plugs for current source Sub-D plug for temperature control unit
Note: All values are typical data

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