Features
High accuracy telespectroradiometer
Direct determination of blue light radiance in 11mrad field of view
Calibrated spectral radiance standard traceable to PTB, Germany
Fully automated over USB 2.0 with BenWin+ spectral acquisition software
Software guidance, calculation and report generation with PSL Wizard application
Applications
IEC TR 62778, “Application of IEC 62471 for the assessment of blue light hazard to light sources and luminaires”
EN 60598-1:2015, "Luminaires - Part 1: General requirements and tests"
IEC 60598-1:2014, "Luminaires - Part 1: General requirements and tests"
IEC 62471:2006, "Photobiological safety of lamps and lamp systems"
EU Low Voltage Directive, 2014/35/EU
LEDs Magazine, 2015, "Risk group determination characterizes photobiological safety in LED lighting"
IECEE IEC TR 62778:2014 page
CIE TN 002:2014, Relating Photochemical and Photobiological Quantities to Photometric Quantities
Electro-optical
| Spectral range of operation |
300-780 nm |
| Spectral data interval |
5 nm |
| Spectral bandwidth (FWHM) |
5 nm |
| Wavelength accuracy |
± 0.3 nm |
| Wavelength reproducibility |
± 0.05 nm |
| Stray light rejection at 2.5 FWHM |
10-4 |
| Photo-detectors |
Multi-alkali PMT and Silicon photodiode |
| Photo-current measurement |
Dual-channel six decade picoammeter |
| Measured quantity |
Spectral radiance |
| Minimum measurement distance |
200 mm |
| Maximum measurement distance |
>10 m |
| Fields of view |
11, 5 and 1.7 mrad |
| Range of blue light radiance (typ.) |
10-100000 W.m-2.sr-1 |
Mechanical & Interface
| Dimensions |
|
| Software control |
Benwin+ spectral acquisition software
PSL Wizard measurement guidance, calculation and reporting application |
| Interface |
USB 2.0 |
System requirements
| Bench space |
0.5x 0.5 m not including working space for computer and luminaire under test |
| Computer |
OS: Windows 7 or newer (32-/64-bit)
Minimum hard disk space: approx. 100MB
Minimum RAM: 2GB
1 x USB 2.0 ports |
| Power |
2 x 110/220V AC mains sockets, 400VA total |