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Technical details
Measurement functions | Tristimulus values: XYZ Chromaticity: Ev xy, Ev u'v' Correlated color temperature: Tc Color difference: Δ (XYZ), Δ (Evxy ), Δ (Evuv ), ΔE v ΔTc Δuv Chromaticity coordinates: ICE1931 (x, y), ICE1976 (u, v) Dominant wavelength: λd Color fastness: Pe Luminous flux: Φ, RGB parameter, color chart, maximum recording and indicator |
Measuring range | 0.1 ... 150,000 lx 0.01 ... 15000 fcd Ev: 5 lx / 0.5 fcd or above in four automatically selected ranges (lx or fcd is switchable) |
Spectral range | 360 ... 780 nm |
Relative spectral sensitivity | Based on CIE standard X (λ), y (λ), and Z (λ), deviation within 6% (f1 ') of CIE spectral luminous efficiency V (λ) |
Cosine correction | Ev: < 3% (f2) |
Accuracy | Ev : ± 5 % ± 1 digit of displayed value Xy: ± 0.003 lx (at 500 lx, standard A) |
Repeatability | Ev : ± 0.5% + 1 digit (2σ) xy: ± 0.0005 (measured at 500 lx, standard A) |
Temperature drift | Ev : ± 3% ± 1 digit of the indicated value xy: + -0.003 |
Response time | 0.5 second (for continuous measurement) |
Sensor type | Silicon photocell |
Interface | USB Slot for SD card |
Display | 3.2" color LCD |
Operating conditions | -10 ... 40°C / 14 ... 10°F <85% RH |
Storage conditions | -20 ... 40°C / -4 ... 104°F <85% RH |
Power supply | 2200-mAh rechargeable lithium-ion battery |
Battery life | Min. 12 hours |
Dimensions | 210 x 80 x 35 mm / 8.2 x 3.1 x 1.37 in |
Weight | 300 g / < 1 lb including battery |
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