Application:
All kinds of Light luminance measurement, all kinds of screen luminance measurement,
Surface luminance measurement.

Specification:
* Measuring distance: 0.7m to infinity;
* Measuring angle: 0.3° , 1° , 3°
* Type: Single measuring angle 1° Or double measuring angle 3° /3°
* Dynamic range: 3° Measuring angle: 0.1--100, 000 CD/m2
1° Measuring angle: 1--500, 000 CD/m2
0.3° Measuring angle: 10--1, 000, 000 CD/m2
* Accuracy: <± 5%
* Sensitivity: 0.001 CD/m2(3° )
* Repeatability: 0.001 CD/m2 (3° )
* Relative spectral sensitivity of digitalV(λ ) sensor: F1<± 5.5%
* Infrared response: F3<± 2%
* Ultraviolet response: F4<± 1.5%
* Fatigue: F5<± 0.5%
* Nonlinear error: F6<<± 1%
* One range, no range-changing error, f7=0
* Temperature effect: ± 0.5%/° C
* Refreshing frequency: About 3n/s(>=1 CD/m2), 1n/2s(<1CD/m2)
* 3-1/2 LCD display
* RS232 computer interface and software
* Power supply: 9V Battery, AC adapter
* Size: 270L× 95W× 225H (mm)