TA8121 Light Meter 200/2000/20000/100000 Lux, Digital Illuminometer Lux/FC Measure Tester Photometer Model TA8120 TA8121 LCD Display 1999 Measuring Range 2000/20000/100000 Lux 200/2000/20000/100000 Lux 200/2000/10000 Fc 20/200/2000/10000 Fc Resolution 1 Lux 200Lux:0.1Lux; another range:1Lux Accuracy 4% rdg 10dgts(<10,000 lux) 3% rdg 10dgts(<10,000 lux) 5% rdg 10dgts (>10,000 lux) 4% rdg 10dgts (>10,000 lux) Total accuracy: for C.I.E standard illuminate A(2856K) Total accuracy: for C.I.E standard illuminate A(2856K) Repeatability 2% Sampling Rate 2 times/second Range Selection Automatic measurement / manual measurement Data Hold Display "H" MAX/MIN Record LUX/FC Selection Data Logging (50 data) Low Battery Display Working Temperature 0to 40 (32 to 104)<70% R.H. Deposited Temperature -10to 55 (14 to 122)>70% R.H. Power Two AAA batteries(Not include Battery) LCD size 35*32mm Dimensions 185mm(L) x 55mm(W) x 30mm(H) Weight Approx.130g Standard Accessories Manual,Certificate,Bag,Box