Digital illuminance meter

Specifications

Digital illuminance meter

Instruction

1,The Digital illuminance meter is a precision   instrument used to measure illuminance in the filed ,

2,It is fully cosine corrected for the angular incidence of light ,

3,The illuminance meter is compact ,though and easy to handle owing to its construcion

4,The light sensitive compeonent used in the meter is a very stable ,long life sillcon didoe ,

Features

1,Light -measuring levers ranging from 0.01 lux to 20.000 lux ,repeatedly

2,High Accuracy and rapid response.

3,Data-Hold function for holding measuring values

4,Unit and sign display for easy reading

5,Automatic zeroing

6,Meter corrected for Luminous Efficiency function

7,Correction  factor need not be manually calculated for nonstandard light  sources .

8,Short  rise  and fall times

Specifications

 1,LCD  display :3-1/2 Digits with a maximum reading of 1999,and the indicating sign of "Lux ",Data-Hold "H",Range "20.000","*10"(reading by ten ),Low Battery "BT",etc

2.Range indicator :It indicates 20 lux ,200 lux ,2000 lux and 20,000 lux ranges ,respectively .

3.Power Switch :The power switch key turns the illuminance meter ON or OFF.

4,Data-Hold Switch :Pressing the HOLD key selects HOLD mode ,when HOLD mode is selected ,the illuminance meter stops all further measurements ,Pressing the HOLD key again cancels  HOLD mode .causing the illuminance meter to resume  taking  measurement s,

5.Range Switch :Pressing  the range key changes 20 lux,200 lux,2,000 lux and 20.000 lux ranges ,circularly .

6.Photo Detector