Irradiance detector XD-45-HB

irradiance detector
irradiance detector
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The XD-45-HB-4 irradiance detector is specially designed for the evaluation of Blue light exposure hazard values for artificial light sources. The four sensor design of this unique device covers the requirements for eye risk assessment. Three Sensor B(λ) Design The Blue Light Hazard spectral responsivity for eye risk evaluation is formed by three filtered sensors for the BLUEUA300-400, BLUE400-600 and BLUERED600-700 spectral ranges. The EN 62471 conformal B(λ) detector is useful for evaluation of any type light source that contains UV-A and deep red light content. Additional Illuminance Sensor An extra V(λ) photometric sensor for illuminance measurement in lx is installed to establish the 500lx reference distance protocol for illuminance and/or radiance qualification. All four filtered sensors are mounted behind a 20mm diameter cosine diffuser. Traceable Calibration Calibration of the B(λ) (W/m²) and Ev (lx) detector responsivity is performed by the Gigahertz-Optik GmbH calibration laboratory for optical radiation measurements quantities. As with all light detectors supplied by Gigahertz-Optik calibration of absolute detector responsivity as well as detector individual measured relative spectral responsivity data is included. Steradian Tube for Radiance The optional XD-45-HB-SRT200 steradian tube is a unique tool for product qualification measurements of blue light hazard at the recommended distance of 200mm. The tube attaches to the front of the XD-45-HB detector head and includes two exchangeable aperture plates to form a 100mrad (20mm diameter) and 11mrad (2.2mm diameter) field of view as stated in EN 62471:2009 limit values.


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