| Photometry |
| Applications |
Daylight, LEDs, halogen and more |
| Illuminance [lux] |
10 lx – 100 000 lx |
| Irradiance Ee |
• |
| Luminous Efficacy Ratio LER |
• |
| CCT – color temperature |
1600 K … 50 000 K (Duv > – 0.1) |
Duv – color temperature difference relative
to the Planckian locus |
(1600 K < CCT < 50 000 K) |
| Color Rendering IES TM-30-15 |
Rf, Rg |
| CRI – color rendering index per CIE 13.3 |
Ra, Re, R1 – R15 |
| Gamut Area Index GAI |
• |
| Peak wavelength |
• |
| Dominant wavelength per CIE 15 |
• |
| Color purity per CIE 15 |
• |
| Chromaticity coordinates [x,y] per CIE 1931 |
• |
| Chromaticity coordinates [u’,v’] per CIE 1976 |
• |
| Chromaticity coordinates [u,v] per CIE 1960 |
• |
| Flicker – index |
0,00 … 1,00 (f < 400 Hz and Flicker % > 2.5 %) |
| Flicker – % |
2.5 % … 100 % (f < 400 Hz) |
| Flicker – frequency |
2 Hz … 6000 Hz (Flicker % > 2.5 %) |
| Configurable measured value display |
• |
| Selectable Units Of Measure |
lx / °C – fc / °F |
| Miscellaneous |
| Mains power pack |
100 – 240 V (50/60 Hz) 0.15 A
5 V, 1 A (DC) USB port |
| Power supply via USB port |
• |
| Rechargeable battery |
Li-Ion 3.7 V – 890 mAh |
| Automatic shutdown |
Programmable for display and device |
| Rechargeable battery life |
≥ 8 hours continuous operation |
| Charging time with power pack |
1.5 hours |
| Operating temperature |
5 – 40 °C |
| Dimensions [H x W x D] |
139 mm x 60 mm x 30 mm |
| Weight |
150 g |
| Scope of delivery |
Meter, sensor cover cap, V070A rechargeable battery, power pack, USB interface cable, aluminum case, neoprene sheath, carrying strap, calibration protocol, operating instructions in German and English, 4 GB micro SDHC memory card including EXCEL file with several protocol templates and operating instructions in German, English, French, Italian, Spanish as PDF, SD adapter |
| Sensor Technology, Measurement Tolerances |
| Sensor |
CMOS image sensor, 256 pixels |
| Diffusor light-entry surface |
Φ 7 mm |
| Distance, diffuser to surface to be measured |
25 mm |
| Error limit – cos like rating (f2′) |
≤ 3.00 % |
| Spectral range |
380 – 780 nm (VIS) |
| Full width at half maximum (FWHM) |
≤ 15 nm (typically 12 nm) |
| Physical resolution |
~ 1.72 nm |
| A-D converter |
16 bit |
| Wavelength reproducibility |
± 0.5 nm |
| Integration time |
automatic, manually
10 ms – 3000 ms |
| Signal-to-noise ratio |
1000:1 |
| Spurious light |
-25 dB |
| Dark current compensation |
Automatic via temperature sensor |
| Measurement uncertainty, illuminance * |
± 3 % |
| Reproducibility, chromaticity * |
± 0.0005 |
| Measurement uncertainty, CCT * |
± 2 % |
| Measurement uncertainty, TM30* |
± 1.5 % |
| Measurement uncertainty, CRI* |
± 1.5 % |
| Measurement uncertainty, Flicker* |
± 1.5 % |
| * Standard light type A, 2856 K @ 1000 lx |
| Operation, Interfaces, Memory |
| Display |
2.1″ color TFT, 320 x 240 |
| Controls |
3 keys, ring controller |
| Interface |
USB 2.0 |
| Interface protocol |
open |
| Data storage |
4 GB micro SD / 500,000 measurements |
| Memory mode |
Manual, auto |
| Data format |
CSV |
Subject to change without notice
• Included function |