BEHA UNITEST 93560, Instruction Manual

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The power required for 100 lx:
W
P
= 5,5 ––––– x 40 m2 = 220 W
m2
for 500 lx factor five, thus approx. 1100W
Tubular fluorescent lamps of the type 65 W are to be installed.
1100 W
Number of Lamps
= ––––––– = 16,9
65 W
Consequently, about 17 lamps at 65 W each would have to be installed.
Depending on the colour of the room, these values may vary. Lists and tables pro-
vide the user with numerous specifications on the so-called illumination efficiency
factor which allows more accurate calculation.
7. 0 Maintenance
When using the instrument in compliance with the instruction manual, no special
maintenance is required. Should operational problems occur during daily use, our
consulting service (phone 0049(0)7684/8009-429) will be at your disposal, free of
charge.
7. 1 Cleaning
If the instrument is dirty after daily usage, it is advised to clean it by using a humid
cloth and a mild household detergent.
Prior to cleaning, ensure that instrument is switched off and disconnected
from external voltage supply and any other instruments connected (such as
UUT, control instruments, etc.).
Never use acid detergents or dissolvants for cleaning.
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