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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. The tube is made out of light weight plastic with internal baffles and low reflection coating to reduce side wall stray light traversing down the barrel. The XD-45-HB-SRT200 steradian tube is an optionally available detector accessory component. No extra calibration is required. 

Recommended Optometers 

For applications involving steady state light the X13 optometer is recommended. For unstable or short event light the optometer P-9801 should be selected.
XD-45-HB B(λ) 3-sensor detector - typ. spectral responsivity
XD-45-HB V(λ) Detector - typ. spectral responsivity
General
General

B(λ) detector useful for evaluation of any type light source that contains UV-A and red light components. Set-up with three photodiodes with optical filter correction forming the actinic BLUEUA300-400, BLUE400-600 and BLUERED600-700 spectral sensitivity conform to EN 62471. Fourth detector with V(λ) photometric sensitivity for the measurement of illuminance in lx.

Specification
Field of View

20 mm diameter diffuser, 11 mrad and 100 mrad with front adapter XD-45-HB-SRT200

Measurement range

B(λ) (Σ of all 3 cells): effective irradiance 0.02 mW/m²  to 100 W/m² (max. resolution 2 µW/m²)

Measurement range

B (300 - 380) nm: effective irradiance 2 µW/m² to 100 W/m² (max. resolution 0.2 µW/m²)

Measurement range

B (600 - 700) nm: effective irradiance 20 µW/m² to 1000 W/m² (max. resolution 2 µW/m²)

Measurement range

B (600 - 700) nm: effective irradiance 0.05 µW/m² to 2 W/m² (max. resolution 0.005 µW/m²)

Measurement range

V(λ): Illuminance 0.2 lx to 1,000,000 lx (max. resolution 0,02 lx)

Miscellaneous
Dimensions

45 mm diameter, 30 mm high

Weight

200 g

Note

Specifications stated for  X1-3 meter including detector

*) The maximum measureable signal value may be limited by heat radiated by the source under test

Connection cable

cable length 2 m, with ITT (-4) connector for the usage with X1-3

Type Description File-Type Download
Datasheet XD-45-HB PDF
Produktname Product Image Description Show product
X1-3 Optometer for the measurement of UV and Blue-light hazard of artificial radiation source.

Features: for usage with XD-45-H type detectors, compatible to EU guidelines 2006/25/EC, mobile,battery operation, USB interface

Article-Nr Modell Description Request / Compare
Product
15298011 XD-45-HB-4

Detector head, protective cap, calibration certificate

Calibration
15300580 K-Si-SR

Calibration of relative spectral responsivity from 250 nm to 1100 nm

15300577 K-FOV

Calibration of cosine field of view function

Re-calibration
15300460 K-XD45HB-I

Re-calibration of irradiance responsivity with calibration certificate

Options
15298007 XD-45-HB-SRT200

Front tube with 2.2 mm and 20 mm aperture adapter

15298008 XD-45-HB-SRT200-2.2

Adapter with 2.2 mm aperture

15298009 XD-45-HB-SRT200-20

Adapter with 20 mm aperture

15309267 XD-45-HB-SRT200-Al

Front Adapter with exchangeable 2.2 mm (11 mrad) and 20 mm (100 mrad) apertures. Tube manufactured of aluminum including black inner coating. Suitable for higher temperatures at measurement location.