Extech 401020 (Lux) - Manuals

2 Model 401020 and 401021-EN v2.0 8/13 1.   INTRODUCTION     Thank   you   for   selecting   the   Extech   Light   Meter   Adapter   with   selectable   range   and   Lux/Foot   candle   operation.   This   professional   device,   with   proper   care,   will   provide   years   of   safe   reliab...

3 Model 401020 and 401021-EN v2.0 8/13 2.3 Frequency Spectrum 3.   DESCRIPTION    1 Power   ON   status   LED   2 Low   battery   status   LED   3 Power   ON   /   Range   select   switch   4 Light   sensor   5 Meter   to   sensor   connect   cable   6 DMM   banana   connector   plugs  

5 Model 401020 and 401021-EN v2.0 8/13 6.   RANGE   SELECTION   The   meter   has   three   measurement   ranges   (0 ‐ 200,   0 ‐ 2000,   and   0 ‐ 5000   Fc)   or   (0 ‐ 2000,   0 ‐ 20000,   and   0 ‐ 50000)   Lux).   The   proper   range   selection   will   produce   the   most   accurate   read...