Atex DGTk2-ex User manual
In
s
ta
ll
at
i
on
M
anua
l
G
a
s
D
ete
c
to
r
A
T
EX
C
ode no. 20711066
R
e
v
. 3.9
P
age 21/33
_____________________________________________________________________________
D
G
T
k2
-
ex Gas
D
e
t
ec
t
o
r
A
T
EX
M
a
rki
ng:
II
3
G
E
x ec
II
C
T
4
G
c
S
en
s
o
r
Ty
pe:
C
ata
ly
t
ic
O
utput
S
i
gna
ls
:
D
G
Tk
2
r-
e
x
i
n
cl
ude
s
a
r
e
l
a
y
24
V
/ 1
A
fo
r
r
e
sis
t
iv
e
l
oad, add
i
t
i
ona
lly
a bu
zz
e
r
and
a
ck
no
wl
edge button fo
r
bu
zz
e
r
.
A
c
t
iv
at
i
on
de
l
a
y
is
s
et at fa
c
to
ry
,
s
ee p
r
odu
c
t
i
on
do
c
u
m
ent
s
.
O
pe
r
at
i
ng
V
o
l
tage: 24
V
DC
±
20
%
,
r
e
gu
la
t
e
d
M
a
x
.
P
o
w
e
r
C
on
s
u
m
pt
i
on: 4.0
W
C
ab
li
ng: 4
-
e
l
e
c
t
r
ode, 4
-wir
e
c
onne
c
t
i
on,
F
o
r
c
o
rr
e
c
t
c
ab
l
e
s
pe
ci
f
ic
at
i
on
r
efe
r
to
E
N
60079
-
14
S
en
s
o
r
L
i
fe
(cl
ean a
ir)
: 5
y
ea
rs
, t
y
p
ic
a
l
Ty
p
ic
a
l
T
90
R
e
s
pon
s
e: a
cc
o
r
d
i
ng I
E
C
60079
-
29
-
1
O
pe
r
at
i
ng
T
e
m
pe
r
atu
r
e:
-
O
pe
r
at
i
ng
H
u
mi
d
i
t
y
:
-c
onden
si
ng
D
eg
r
ee of
P
r
ote
c
t
i
on: I
P
54
W
e
i
ght: 620 g
N
ote:
C
a
li
b
r
at
i
on
is
done b
y
u
si
ng I
R
C
o
mm
un
ic
ato
r
.
K
eep the
r
ed I
R
l
en
s
at the
si
de of the de
vic
e
visi
b
l
e.
K
eep te
s
t ga
s
c
on
c
ent
r
at
i
on
wi
th
i
n
r
ange of the
R
e
c
a
li
b
r
ate:
at
l
ea
s
t on
c
e a
y
ea
r
.
i
f on
-si
te a
m
b
i
ent p
r
e
ss
u
r
e de
vi
ate
s
m
o
r
e
than
±
5
%
f
r
o
m
no
rm
a
l
p
r
e
ss
u
r
e.
i
f e
x
po
s
ed to a
s
ho
ck
e.g. a d
r
op.
In
c
o
rr
e
c
t
c
onne
c
t
i
on
s
m
a
y
da
m
age the de
vic
e.
T
he
s
en
s
o
r
e
l
e
m
ent
s
ha
ll
be o
ri
ented
do
w
n
w
a
r
d
s
.
D
G
Tk
2
-
e
x
and
D
G
Tk
2
r-
e
x
c
an be
i
n
s
ta
ll
ed
i
n
A
T
EX
z
one 2.
C
ode no. 20711066 In
s
ta
ll
at
i
on
M
anua
l
G
a
s
D
ete
c
to
r
A
T
EX
R
e
v
. 3.9
P
age 22/33
_____________________________________________________________________________
Ind
ic
at
i
on
li
ght
s
:
C
on
s
tant g
r
een:
N
o
rm
a
l
ope
r
at
i
on
m
ode.
C
on
s
tant
y
e
ll
o
w
:
S
en
s
o
r
fa
il
u
r
e.
C
on
s
tant
r
ed:
G
a
s
a
l
a
rm
.
Fi
gu
r
e 17,
D
G
Tk
2
-
e
x
and
D
G
Tk
2
r-
e
x
ga
s
dete
c
to
r
gene
r
a
l
vi
e
w
.
In
s
ta
ll
at
i
on
M
anua
l
G
a
s
D
ete
c
to
r
A
T
EX
C
ode no. 20711066
R
e
v
. 3.9
P
age 23/33
_____________________________________________________________________________
Fi
gu
r
e 18,
D
G
Tk
2
r-
e
x
c
onne
c
t
i
on
s
and
l
a
y
out on the
circ
u
i
t boa
r
d.
N
O
T
E
:
A
v
a
il
ab
ili
t
y
of
c
onne
c
t
i
on
s
depend
s
on the
D
G
Tk
2
-
e
x
m
ode
l
.
N
B
!
M
AKE
S
UR
E
TH
E
R
E
I
S
N
O
R
I
SK
O
F
EXP
L
O
S
I
O
N
!
C
he
ck
the
w
o
rki
ng en
vir
on
m
ent
wi
th po
r
tab
l
e ga
s
dete
c
to
r
of
ri
ght
E
x
cl
a
ss
befo
r
e
c
a
rryi
ng out the
c
onne
c
t
i
on
s
.
D
o not
m
a
k
e an
y
c
onne
c
t
i
on
s
w
hen
circ
u
i
t
s
a
liv
e!
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