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Calibration of light meters

For measurements regarding light and optics we have built a darkened tunnel in our laboratory in which we calibrate photometric processes.

Our optical laboratory consists of a optical bench, which is divided into different parts. On those, different screens and additions can be added and placed in different distances to the norm light.

Illuminance measuring instruments are calibrated under the common temperature of 2856 K.
After every recalibration we calculate the measurement value and mark the results on our optical bench.

During the calibration, the measurement device is covered by screens, which shield the photo sensor from any radiations except those from the light source itself.
This enables us to adjust and calibrate lux meters.

The measurement values of the calibration of colorimeters are usually offered in the units L*, a* and b* but can be converted by as into other units if required.

The calibration of gloss level measurement devices like Micro-gloss top of our range of services in this area.

Thematic Areas
  • Calibration of lumeters
  •  
  • Calibration of gloss level indicators
  •  
  • Calibration of colorimeters

Calibration wiki
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Lab

Workstations: 2
Employees: 2
Temperature: 20°C (+/- 1°C)
Air humidity: ≤50% (+/- 10%)

Measuring specifications

Test dimension Measuring area
Laser energy 1 µJ - 50 mJ
Luminous density 0 cd/m² - 1.800 cd/m²
Light intensity 10 lx - 10.000 lx

Product examples

  • Light intensity measuring equipment
  • Luminance intensity measuring equipment
  • Luminous density measuring equipment
  • Laser energy meter
  • Laser interferometer

SELECTED TECHNICAL EQUIPMENT

  • Luminance measuring equipment
  • Scientific lamps, Wi41G
    • Operation under controlled current and voltage
    • Lamps calibrated by PTC at 2856 K
    • Spectral dispersion corresponds to Vλ
    • Lamp ageing is monitored
  • Luminous density measuring equipment
  • Luminance standard

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