| Applications | Daylight, LEDs, halogen and more |
| Illuminance Evis | 10 lx … 100 000 lx |
| Color temperature CCT | 1600 K … 50 000 K (Duv>– 0.1) |
| Color temperature difference relative to the Planckian locus Duv | (1600 K<CCT<50 000 K) |
| Color rendering index CRI per CIE 13.3 | Ra, Re, R1 … R15 |
| Gamut Area Index GAI | Yes |
| Chromaticity coordinates [x',y'] per CIE 1931 | Yes |
| Chromaticity coordinates [u',v'] per CIE 1976 | Yes |
| Chromaticity coordinates [u,v] per CIE 1960 | Yes |
| Configurable measured value display | Yes |
| Selectable units of measure | lx / °C – fc / °F |
| Mains power pack | - 100 – 240 V (50/60 Hz) 0.15 A
- 5 V, 1 A (DC) USB port
|
| Power supply via USB port | Yes |
| Rechargeable battery | Li-Ion 3.7 V – 890 mAh |
| Automatic shutdown | Programmable for display + device |
| Rechargeable battery life | ≥ 8 hours continuous operation |
| Charging time with power pack | 1.5 h |
| Operating temperature | 5 – 40 °C |
| Dimensions [H x W x D] | 139 mm x 60 mm x 30 mm |
| Weight | 150 g |
| 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, manual
- 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 CRI* | ± 1.5 % |
| * Standard light type A, 2856 K at 1000 lx |
| 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 |
