-Measurement range: 0.00 to 39.99/399.9/3999/39990 lx 0.000 to 3.999/39.99/399.9/3999 fc

Illuminance meter CENTER337 detailed lighter type parameters
A, safety guidelines
Operation before the illuminance meter, please read the following instructions and in accordance with the specifications use
-Usage environment conditions:
2000 metres below
Relative humidity 90% RH
Operating temperature 0-40 
-The preservation and clean main point:
1. The detailed instructions in the inspection and maintenance, should be made by the company qualified personnel handling.
2. Fixed with dry cloth to wipe, do not use detergent, solvent clean this form

Safety symbol:
CE: European CE safety codes
Second, the function that
Illuminance meter suitable to use in the classroom, office, computer and need to read the aisle of the values of the lighting applications
. Automatic zero
. Automatic shift
. Light and simple operation

Three, specifications
-Measurement range:
0.00 to 39.99/399.9/3999/39990 lx
0.000 to 3.999/39.99/399.9/3999 fc
-Resolution: 0.01 lx a 10 lx; 0.001 fc-1 fc
-Accurate cross: plus or minus 3% RDG ± 5 DGTS
(in color temperature 2856 K standard lamp correction)
-Temperature characteristic: plus or minus 0.1% / 
-The sample rate: 2.0 times per second
-Photosensitive body: the light diode
-The operation temperature and humidity: 0 , 40  (104  32-) 0, 80% RH
-Storage temperature:  a 50 (122 14-F) 0, 70% RH
-Overload show: "a" display
-Power: a 9 V battery x1 (006 PorIEC6F220rNEDAl604)
-Battery life: continuous use about 170 hours (alkaline batteries)
-Appearance size: 196 (L) x54 (w) x33 (H) mm
-Weight: about 180 g
-Accessories: a 9 V battery. Instructions