Description : Measuring geometry 8°/d
Measuring aperture Diameter 8 mm
Sensor Silicon photoelectric diode
Colour spaces CIE L*a*b*C*h, CIE L*a*b*
Colour difference formular ΔE*ab, ΔL*a*b, ΔE*C*h
Errors between each equipment ≤0.50 ΔE*ab
Repeatability Standard deviation within ΔE*ab 0.08
Average of 30 measurements of standard white plate
Light source D65
Storage 100 reference values, 20,000 samples
Interface USB
Power supply Rechargeable lithium-ion battery
3.7 V @ 3,200 mAh
Charging time 2 h (8 h at first use)
Battery life > 3,000 measurements
Lamp life 3 years, more than 1 million measurements
Operating conditions 0 ... +40 °C / 32 ... +104 °F
0 ... 85 % RH
Dimensions 200 x 70 x 100 mm / 7.8 x 2.7 x 3.9 in
Weight 500 g / 17.6 oz
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Eng / INR