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KLD-01 MNI
Light Meter
5.
Auto-ranging
: x10 means the meter is in range 20k Lux, and the readings
should multiple with 10; x100 means the meter is in range 40k Lux, and
the readings should multiple with 100.
6.
LCD display:
1999 counts LCD display with LUX, fc, , MAX, indication
4. OPERATING
INSTRUCTION
Measuring Light
1.
Press the power button to start normal measurement.
2.
Remove the photo detector to light source in a horizontal position.
3.
Read the luminance on the LCD display. If the environment is dark, the LCD
backlight will automatically turn on.
4.
The measure range will changed automatically with the light intensity. It
includes 200.0 Lux,2000 Lux,20 KLux and 40 KLux 4 ranges for Lux; or 20.0
FC,200 FC,2000 FC,4000 FC 4 ranges for FC correspondingly.
5.
Press the function button for about 2 second to change the unit between Lux
and Fc
6.
Press the function button quickly to change to the MAX HOLD function.
Press once again to release the hold and allow another measurement.
7.
Over-range: If the instrument display “OL” in the M.S.D. the input signal is
too strong
8.
When the measurement is finished, replace the photo detector from the light
source.
9.
Spectral characteristics of sensitivity: The photo diode with filters applied to
the spectral sensitivity does meet CIE (International Commission on
Illumination) photopia curve V ( ) as the following chart describes.
100% (Relative Sensitivity)
Spectral Sensitivity
80%
V(
λ
)
60%
40%
20%
0
400
500
600
700
Wavelength
nm)
10.
Recommended Illumination:
Locations
Lux
*Office
Conference, Reception room.
200
～
750
Clerical
work
700
～
1,500
Typing
drafting
1000
～
2,000
*Factory
Packing work, Entrance passage
150
～
300
Visual work at production line
300
～
750
Inspection
work
750
～
1,500
Electronic parts assembly line
1500
～
3,000
*Hotel
Public room, Cloakroom
100
～
200
Reception,
Cashier
200
～
1,000
*Store
Indoors Stairs Corridor
150
～
200
Show window, Packing table
750
～
1,500
Forefront of show window
1500
～
3,000
*Hospital
Sickroom,
Warehouse
100
～
200
Medical Examination room
300
～
750
Operating room
Emergency Treatment
750
～
1,500
*School
Auditorium, Indoor Gymnasium
100
～
300
Class
room
200
～
750
Laboratory Library Drafting room
500
～
1,500
5. BATTERY
REPLACEMENT
If the battery icon appears on the LCD display, it indicates that the battery
should be replaced. Open the battery case and replace the expired battery
with new battery. (1 x 9V battery)