Measuring geometry
|
8°/d
|
Measuring aperture
|
Diameter 8 mm
|
Sensor
|
Silicon photoelectric diode
|
Color spaces
|
CIE L*a*b*C*h, CIE L*a*b*
|
Color 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
|