1..Ranges:1-50,000Lux 2.Resolution:1 Lux 3.Sampling Time 2.0 times/s 4.Display 1999 Basic functionMeasureing ... 1Lux~50,000LuxAccuracy less than 10,000LUX ±4%rdg±0.5%f.s; more than 10,000LUX/2,000FC ... ±5%rdg±10dgtResolution 1LuxRepeatability ±2%Temperature Characteristic ±0.1%/°CSampling Time 2.0 times/sDisplay 1999Data Hold √Back Light √General ... 'TY / CTN 50GW/TW 13/12Kg HP881A 0.1 lux tester