Osram HQI-E 150 W/NDL CL Technical Information download pdf (Page 44)

back re

lectin

construction elements are used in the

luminaire desi

n, the

uarantee

or the lamps can be

restr

cte

or even comp

ete

suspen

It is therefore recommended contactin

RAM i

ere

s any

ng t

gn stage.

In the case o

lamps with back re

lectin

construction

elements, tests should alwa

s be carried out to as-

certain whether the extent o

the lamp dama

e can at

eas

assessed

minim

It is use

ul to do comparative burnin

tests with non

back re

lectin

luminaires. I

in this case o

. ce

ramic lamps, visible deposits in the outer bulb o

the

amps occur at an ear

y sta

n t

e teste

res,

r h

due

bac

k r

Due to the

act that the

ailure rate o

ceramic lam

depends on the switchin

requency, a lamp test o

this kind can be accelerated by increasin

the switch-

frequency to e.

. 3h

N, 1h

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Osram HQI-E 150 W/NDL CL Technical Information Page 44

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