Technical information
3
6.3.
1
L
ea
ki
ng arc tu
be
.........................................................................................................................
27
6.3.
2
I
ncrease
i
n re-
i
gn
i
t
i
on pea
k
.........................................................................................................
27
6.3.3
B
ro
k
en
l
ea
d
or
b
ro
k
en we
ld
........................................................................................................
2
8
6
.
3
.
4
L
ea
ki
n
g
outer
b
u
lb
......................................................................................................................
2
8
6
.
3
.
5
L
amps t
h
at
d
o not
ig
n
i
t
e
.............................................................................................................
2
8
6
.
3
.
6
Breaka
g
e or di
ff
erin
g
wear o
f
the electrodes
...............................................................................
29
6
.
3
.
7
S
calin
g
of the base
/
socke
t
.......................................................................................................
29
6
.
3
.
8
Burstin
g
o
f
the lam
p
...................................................................................................................
29
6
.
3
.
9
Recti
f
yin
g
e
ff
ec
t
........................................................................................................................
.
29
6
.
3
.10
C
onclusion
s
................................................................................................................................
31
7
Luminaire desi
g
n and plannin
g
o
f
li
g
htin
g
system
s
.......................................................................................
32
7.1
M
easur
i
n
g
temperatures, am
bi
ent temperatur
e
.....................................................................................
3
2
7.1.1
G
eneral ph
y
sical conditions for temperature limits for outer bulbs
and
p
inches in metal halide lam
ps
..............................................................................................
32
7.1.2
2 Measurement with thermocou
p
l
e
.............................................................................................
32
7.1.
3
Measurin
g
points
f
or thermocouples in di
ff
erent lamp types
.......................................................
33
7.2
In
f
luence o
f
ambient tem
p
erature on ballasts and luminaire
s
................................................................
36
7.
3
L
am
p
h
o
ld
e
r
.........................................................................................................................................
36
7.
4
Leads
t
o
lu
m
i
n
ai
r
es
...............................................................................................................................
37
7
.
5
Maintenance o
f
li
g
htin
g
systems with metal halide lamp
s
.....................................................................
.
37
7.
6
S
tandards and directives for dischar
g
e lamp
s
......................................................................................
.
39
7.
6
.
1
S
tandard
s
...................................................................................................................................
39
7.
6
.
2
Di
r
ec
t
i
v
es
...................................................................................................................................
41
7.
6
.
3
C
ertificate
s
.................................................................................................................................
41
7.7
R
ad
i
o
int
e
r
fe
r
e
n
ce
................................................................................................................................
42
7.
8
RoH
S
conformit
y
..................................................................................................................................
42
7.
9
O
ptical design of reflector
s
...................................................................................................................
42
7.
9
.
1
C
ondensation on the lam
p
..........................................................................................................
42
7.
9
.
2
Pro
j
ection o
f
the condensat
e
......................................................................................................
42
7.
9
.
3
Back re
f
lection on the lam
p
........................................................................................................
43
8
Ligh
t an
d
co
l
ou
r
..........................................................................................................................................
.
43
8
.
1
Nigh
t v
i
s
i
o
n
..........................................................................................................................................
.
44
8
.
2
C
olour renderin
g
..................................................................................................................................
.
46
8
.
2
.
1
Test colours
f
rom standard DIN 6169 .........................................................................................
.
47
8.
3
Li
g
ht and quality o
f
li
fe
.........................................................................................................................
48
8
.4
UV
ra
di
at
i
o
n
..........................................................................................................................................
49
8
.4.
1
Fading e
ff
ec
t
..............................................................................................................................
50
8.4.
2
Protective measures to reduce
f
adin
g
.........................................................................................
5
0
9
Disposal o
f
dischar
g
e lamp
s
.........................................................................................................................
51
9
.
1
S
tatutor
y
requirement
s
.........................................................................................................................
51
9
.
2
C
ollection, transport and disposal of dischar
g
e lamps at end-of-lif
e
....................................................
.
51
9
.
3
O
rdinance on Hazardous
S
ubstance
s
..................................................................................................
.
51
10
Li
s
t
of
abb
r
e
vi
a
ti
o
n
s
....................................................................................................................................
.
52
11
Li
t
e
r
a
t
u
r
e
....................................................................................................................................................
.
53










