I.R.I.S. FLAME MONITORING SYSTEM P522 User Manual
Page 27
IRIS MODEL P522 APPLICATION MANUAL
Page 27
TABLE OF IRIS VIEWING HEADS AND PERFORMANCE WITH VARIOUS FUELS.
(DISC = discrimination between burners and flaming background*, SIG = signal strength)
GAS (HYDROGEN, PROPANE AND NATURAL GAS)
GAS LOW NO
X
BURNERS
#
L
E
D
O
M
E
P
Y
T
S
T
N
E
M
M
O
C
6
0
5
S
V
U
t
n
e
ll
e
c
x
e
C
S
I
D
d
o
o
g
y
r
e
v
G
I
S
9
0
5
S
y
l
n
O
S
b
P
d
o
o
g
C
S
I
D
1
d
o
o
g
G
I
S
9
0
5
S
i
S
L
E
U
F
S
I
H
T
E
E
S
T
O
N
L
L
I
W
-
D
O
O
G
T
O
N
1
1
5
S
e
G
r
i
a
f
C
S
I
D
d
o
o
g
G
I
S
2
1
5
S
S
b
P
d
o
o
g
C
S
I
D
1
d
o
o
g
G
I
S
0
5
5
S
S
b
P
&
V
U
t
n
e
ll
e
c
x
e
C
S
I
D
d
o
o
g
y
r
e
v
G
I
S
2
5
5
S
y
l
n
O
S
b
P
d
o
o
g
C
S
I
D
d
o
o
g
G
I
S
6
5
5
S
y
l
n
O
V
U
t
n
e
ll
e
c
x
e
C
S
I
D
d
o
o
g
y
r
e
v
G
I
S
#
L
E
D
O
M
E
P
Y
T
S
T
N
E
M
M
O
C
6
0
5
S
V
U
d
o
o
g
C
S
I
D
d
o
o
g
G
I
S
,
9
0
5
S
2
1
5
S
y
l
n
O
S
b
P
e
n
o
n
C
S
I
D
r
i
a
f
G
I
S
0
5
5
S
S
b
P
&
V
U
t
n
e
ll
e
c
x
e
C
S
I
D
d
o
o
g
y
r
e
v
G
I
S
2
5
5
S
y
l
n
O
S
b
P
e
n
o
n
C
S
I
D
r
i
a
f
G
I
S
6
5
5
S
y
l
n
O
V
U
t
n
e
ll
e
c
x
e
C
S
I
D
d
o
o
g
y
r
e
v
G
I
S
FIGURE 11 - VIEWING HEAD APPLICATION TABLES