Dostmann Electronic 5020-0886 Bedienungsanleitung Seite 8

Start-up the unit
Insert the battery
Open the battery cover and insert the 9 volt battery according to the
correct polarity.
Power
Press the power button to start normal measurement.
Measurement
1. Remove the photo detector to light source in a horizontal
position.
2. Read the luminance on the LCD display. If the environment is
dark, the LCD backlight will automatically turn on.
3. 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.
4. Press the function button for about 2 second to change the
unit between Lux and Fc
5. Press the function button quickly to change to the MAX HOLD
function. Press once again to release the hold and allow
another measurement.
6. Over-range: If the instrument display "OL" in the M.S.D. the
input signal is too strong
7. When the measurement is finished, replace the photo detector
from the light source.
8. Spectral characteristics of sensitivity: The photo diode with
filters applied to the spectral sensitivity does meet CIE (Inter
national Commission on Illumination) photopia curve V (ʎ)
describes.
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9. Recommended Illumination:
Locations
*Office
Conference, Reception room.
Clerical work
Typing drafting
*Factory
Packing work, Entrance passage
Visual work at production line
Inspection work
Electronic parts assembly line
*Hotel
Public room, Cloakroom
Reception, Cashier
*Store
Indoors Stairs Corridor
Show window, Packing table
Forefront of show window
*Hospital
Sickroom, Warehouse
Medical Examination room
Operating room
Emergency Treatment
*School
Auditorium, Indoor Gymnasium
Class room
Laboratory Library Drafting room
Replacing the battery
It is neccessary to replace the battery when the battery symbol
appears. Open the battery case on the rear side. Insert a new
alcaline battery. Connect the battery with the correct polarity with
the battery-clip. In order to avoid leaking batteries replace weak
batteries asap. In case of leaking batteries use gloves and goggles
for personal protection.
Lux
200~750
700~1,500
1000~2,000
150~300
300~750
750~1,500
1500~3,000
100~200
200~1,000
150~200
750~1,500
1500~3,000
100~200
300~750
750~1,500
100~300
200~750
500~1,500
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