TES-1337 Digital Light Meter Lux Meter Range 0-20K Data Hold/Peak Hold MAX/MIN. Relative function Digital Light/Lux Meter Model TES-1337 Detailed Product Description Accurate and instant response Data holding function Spectral sensitivity close to CIE phonotic curve Relative function Features * accurate and instant response *data holding function *spectral sensitivity close to CIE phonotic curve *relative function Specification * range: 3% rdg 5%rdg 20,200,2000,20000lux 20,200,2000,20000fc * accuracy: 3%rdg 0.5%fs 4%rdg 10%rdg as> 100000 lux/fs CIE V function * Over-range display: LCD will show "OL" symbol Light meter Lux meter TES TES-1337 เครื่องวัดความเข้มแสง เครื่องวัดแสง