... -208 Datalogging 3 in 1 UVA Light Meter FEATURES: - 3 3/4 digits LCD with backlit maximum reading 3999. - 3 in 1 light sensor design ... . - Rel (relative) function / Zero Adjustment UVA : - Highly reliable direct reading Instrument designed expressly for measuring light ntensity at the wafer plane ... .01mW0.01,0.1,1,10,100 Lux0.01,0.1,1,10 Foot-candel0.01,0.1,1 W/m2.01,0.1,1 Btu/ft2.h ...