It is applied to measure the luminance flux of light source, luminance, illuminance,and relative luminance coefficient.

1. Detector of different UV wavebands selectable:     UV365(λP=365nm) UV310(λP=310nm) UV297(λP=297nm)UV254(λP=254nm). 2. Measurable range: 0.1μW/cm2199.99mW/cm2. 3. Accuracy:±5%(Relative to national standard). 4. Auto range switch.5. Low power consumption and auto power of turn off. 6. Low zero drift, high accuracy. 7. RS-232-C Interface..