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Measuring values: |
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Advantages |
Applications |
Optical Parameters | |
Spectral range | 380 nm .. 780 nm |
Wavelength resolution (FWHM) | 5 nm |
Calculated wavelength step | 1 nm |
Digital electronic resolution | 16 Bit ADC (15 Bit used) |
Viewing angle (luminance mode) | 1.8° |
Measuring distance/ diameter | 20 cm - Ø 6 mm; 100 cm - Ø 31 mm (luminance mode) |
Measuring values |
Spectral radiance; Total luminance/ total radiance; Total illuminance/ total irradiance; Chromaticity coordinates x,y; u',v'; Correlated Color Temperature, color purity; Color Rendering Index; Circadian metrics, Photosynthetically Active Radiation |
Measuring range and accuracies | |
Measuring range luminance | 2 ... 7×104 cd/m2 (higher values with optional filter) |
Measuring range illuminance | 20 ... 5×105 lx |
Luminance accuracy | ± 2 % (@ 100 cd/m2 and illuminant A) |
Luminance reproducibility | ± 1 % |
Chromaticity accuracy | ± 0.002 x, y (@ illuminant A) |
Color reproducibility | ± 0.0005 x, y |
CCT reproducibility | ± 20 K (@ illuminant A) |
Wavelength accuracy | ± 0.5 nm |
Technical Parameters | |
Dispersive element | Imaging grating (flat field) |
Light receiving element | Photodiode array 1024 pixel (binned) |
Power supply | USB powered |
PC interface | USB 2.0 fullspeed |
Dimensions (drawing) | 140 mm x 58 mm x 34 mm |
Weight | 350 g |
Operating conditions |
Temperature 10 ... 40 °C Humidity 85 % relativ humidity at 35 °C |
Miscellaneous | |
Cosine corrector head-piece Tripod Transport box PC software JETI LiVal JETI SDK LabVIEW VI's (Virtual Instruments) Short instructions Operating instructions (digital) and firmware commands (digital) USB cable Trigger connector |
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Calibration | NIST traceable |
Recommended recalibration interval | 1 year |
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