Topcon BM-7AC - Page 81

Appendix
79
Chromaticity accuracy
Guaranteed accuracy range
Measurement
Angle
Luminance (cd/㎡)
2°
10 ～ 30,000
1°
40 ～ 120,000
0.2°
1,000 ～ 3,000,000
0.1°
4,000 ～ 12,000,000
⊿x, ⊿y ： ±0.002 or less(auto range, standard sources A)
* Chromaticity is displayed even at a luminance less than that given above.
Repeatability
Luminance
For 2°
1 to 5cd/㎡ ： 1％ or less （2σ, SLOW Mode, AUTO range, standard sources A）
5cd/㎡ or greater ： 0.5% or less （2σ, SLOW mode, AUTO range, standard sources A）
Measurement
Angle
Range and Specification
2°
1 to 5cd/㎡ ： 1% or less
５cd/㎡ or more ： 0.5% or less
1°
4 to 20cd/㎡ ： 1% or less
20cd/㎡ or more ： 0.5% or less
0.2°
100 to 500cd/㎡ ： 1% or less
500cd/㎡ or more ： 0.5% or less
0.1°
400 to 2000cd/㎡ ： 1% or less
2000cd/㎡ or more ： 0.5% or less
Chromaticity
For 2°
1 to 5cd/㎡ ： Chromaticity ｘｙ ０.００５ or less （SLOW mode, AUTO range, standard
sources A）
5cd/㎡ or more ： Chromaticity ｘｙ ０.００２ or less （SLOW mode, AUTO range, standard
sources A）
Measurement
Angle
Range and Specification
2°
1 to 5cd/㎡ ： Chromaticity ｘｙ 0.005 or less
5cd/㎡ or more ： Chromaticity ｘｙ 0.002 or less
1°
4 to 20cd/㎡ ： Chromaticity ｘｙ 0.005 or less
20cd/㎡ or more ： Chromaticity ｘｙ 0.002 or less
0.2°
100 to 500cd/㎡ ： Chromaticity ｘｙ 0.005 or less
500cd/㎡ or more ： Chromaticity ｘｙ 0.002 or less
0.1°
400 to 2000cd/㎡ ： Chromaticity ｘｙ 0.005 or less
2000cd/㎡ or more ： Chromaticity ｘｙ 0.002 or less