Page
31
©
2008
Gastech
Australia
Pty
Ltd
next
digit.
Repeat
this
procedure
until
the
value
is
set
and
then
press
the
“Select”
button
to
move
to
the
next
menu.
14.
The
next
screen
is
used
to
set
the
calibration
gas
value.
Use
the
“Up”
or
“Down”
button
to
change
the
value.
Pressing
“Select”
will
move
along
to
the
next
digit.
Repeat
this
procedure
until
the
value
is
set
and
then
press
the
“Select”
button
to
move
to
the
next
menu.
15.
The
next
screen
is
used
to
set
the
gain
for
the
sensor.
Use
the
“Up”
or
“Down”
button
to
set
the
correct
gain
value.
16.
Another
way
of
determining
the
required
gain
is
to
look
up
the
sensor
sensitivity/output
current
from
the
manufacturer’s
specification
datasheet.
Multiply
the
sensor
output
by
the
range
of
the
detector.
This
will
provide
you
with
the
“Calculated
Full
Scale
Sensor
Output”.
Establish
the
correct
gain
setting
using
the
table
below.
Gain
Setting
Factory
Setup
(Calculated
Full
Scale
Sensor
Output)
G
0
750
–
440
uA
G
1
440
–
290
uA
G
2
290
–
180
uA
G
3
180
–
130
uA
G
4
130
–
85
uA
G
5
85
–
60
uA
G
6
60
–
40
uA
G
7
40
–
25
uA
G
8
25
–
17
uA
G
9
17
–
11
uA
G
10
11
–
7.0
uA
Summary of Contents for D-Guard
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