Dräger PEX 3000

306
Notes on Approval
Marking
Serial No.
1)
In areas regulated by UL standards, the gas detection transmitter shall be supplied by a Limi-
ted Voltage/Current Circuit, i.e. the open circuit voltage available to the circuit shall not exceed
42.4 V peak and the current available shall be limited to 8 A measured after 1 minute of opera-
tion.
____________________
1) The year of manufacture is indicated by the third letter in the serial number:
T = 2003, U = 2004, W = 2005, X = 2006, Y = 2007, Z = 2008, A = 2009, B = 2010, C = 2011, etc.
Example: Serial No. ARUH-0054: the third letter is U, which means that the unit was manufactured in 2004.
00133036_01.eps
9N54
L
e
a
d
s
F
a
c
t
o
r
y
S
e
a
l
e
d
W
A
R
N
I
N
G
:
R
e
a
d
M
a
n
u
a
l
b
e
f
o
r
e
o
p
e
r
a
t
i
n
g
.
a
l
i
v
e
p
r
o
v
o
k
e
s
r
i
s
k
o
f
I
g
n
i
t
i
o
n
o
f
H
a
z
a
r
d
o
u
s
A
t
m
o
s
p
h
e
r
e
s
.
C
A
U
T
I
O
N
:
D
o
n
o
t
o
p
e
n
c
o
v
e
r
.
O
p
e
n
i
n
g
c
o
v
e
r
w
i
t
h
c
i
r
c
u
i
t
s
R
a
t
i
n
g
s
:
9
.
.
.
3
0
V
D
C
9
W
·
T
y
p
e
4
X
T
-
C
o
d
e
T
6
/
T
4
·
-
4
0
°
C
T
a
+
4
0
°
C
/
8
0
°
C
ื
ื
L
R
9
7
5
9
4
C
l
a
s
s
I
,
Z
o
n
e
1
,
G
r
o
u
p
I
I
B
+
H
2
C
l
a
s
s
I
I
,
D
i
v
i
s
i
o
n
1
,
G
r
o
u
p
s
E
,
F
,
G
C
l
a
s
s
I
,
D
i
v
i
s
i
o
n
1
,
G
r
o
u
p
s
B
,
C
,
D
F
i
r
e
,
E
l
e
c
t
r
i
c
a
l
S
h
o
c
k
a
n
d
E
x
p
l
o
s
i
o
n
H
a
z
a
r
d
s
o
n
l
y
.
C
l
a
s
s
I
,
Z
o
n
e
1
,
G
r
o
u
p
I
I
C
C
l
a
s
s
I
I
,
D
i
v
i
s
i
o
n
1
,
G
r
o
u
p
s
E
,
F
,
G
C
l
a
s
s
I
,
D
i
v
i
s
io
n
1
,
G
r
o
u
p
s
A
,
B
,
C
,
D
T
y
p
e
:
I
D
S
0
1
0
x
·
D
r
ä
g
e
r
S
a
f
e
t
y
G
e
r
m
a
n
y
G
a
s
D
e
t
e
c
t
o
r
f
o
r
U
s
e
i
n
H
a
z
a
r
d
o
u
s
L
o
c
a
t
i
o
n
s
a
t
s
o
D
r
ä
g
e
r
P
I
R
7
x
0
0