Fuji Electric ZKJ Series, Инструкция по эксплуатации

Страница: 88 / 106

7 - 6
7.3.3 Optical zero adjustment method (optical balance adjustment)
The adjustment is performed at reassembly after removing the sample cell, etc. for cleaning, etc.
(1) Remove the top cover. Allow dry N
2
RUDLUWRÀRZWKURXJKWKHDQDO\]HUXQLW
sample gas inlet until the reading sta-
bilizes. The sample gas is introduced
GLUHFWO\WRWKH,1/(7RIDQDO\]HUXQLW
through the gas cylinder.
(2) Proceed to an optical adjustment in the
maintenance mode. The display on the
operation panel of the main unit is as
illustrated on the right. Balance adjust-
PHQWLVQRWUHTXLUHGLIWKHGLVSOD\IDOOV
within ±100.
Piping at optical balance adjustment
Short
Open
Introduce directly from cylinder
(not required
for measuring
unit 1 only)
Optical system 2
(measuring unit 2)
Optical system 1
(measuring unit 1)
No. of components to be measured
1-component analyzer
2-component analyzer
a
Main
NO/SO
2
CO
2
/CO
NO/CO
CO
2
Main
NO Main
* O
2
is excluded from the number of components.
* “Main” is signal input value from the main detector of each component.
“Comp” is signal input value from interference compensation detector of each component.
If low range exceeds the range of 0 to 10vol%, detector signal of “comp” is not usable.
b
Comp
CO
2
Comp
NO Comp
c
–
CO Main
SO
2
Main
d
–
CO Comp
SO
2
Comp
e
–
–
–
f
–
–
–
g
–
–
–
h
–
–
–
NO Main NO Comp – – CO Main CO Comp – –
N
2
O/CO
2
N
2
O Main N
2
O Comp – – – – CO
2
Main –
3-component analyzer
4-component analyzer
NO/SO
2
/CO
NO/N
2
O/CO
2
SO
2
/N
2
O/CO
2
NO Main
NO Main
NO Comp
NO Comp
–
SO
2
Main
–
SO
2
Comp
N
2
O Main
CO Main
N
2
O Comp
CO Comp
CO
2
Main
–
–
–
SO
2
Main SO
2
Comp CO
2
Main – N
2
O Main N
2
O Comp – –
N
2
O/CO
2
/CO
N
2
O Main N
2
O Comp – – CO Main CO Comp CO
2
Main –
CH
4
/N
2
O/CO
2
CH
4
Main CH
4
Comp CO
2
Main – N
2
O Main N
2
O Comp – –
NO/SO
2
/CO
2
/CO
NO Main NO Comp CO Main CO Comp CO
2
Main – SO
2
Main SO
2
Comp
NO/SO
2
/N
2
O/CO
2
NO Main NO Comp CO
2
Main – N
2
O Main N
2
O Comp SO
2
Main SO
2
Comp
Sensor values of which are not included in measuring components should be ignored.
<Correspondence between measurement detector and indicated position>
a
b
c
d
e
f
g
h
If the following operation is maladjusted, the measurement may adversely be affected. If you are
not trained for adjustment, do not carry out this operation but contact the distributor or our service-
man.
CAUTION