Technical Manual
Page 29
CODEL
OPS.109
Issue : B
Rev. : 1
Date : 23/10/13
Doc. i/d : 0109/6
Ref. : 090028
7.9.3.2. Averaging Time of the Output
Any of the four averaging stacks (seconds, minutes, hours or days) may be used for the analogue output. They
are selected by the
and
keys and entered using the
ENTER
key.
5 CONFIGURE O/P1
Average 01m
7.9.3.3. Output Units
The analogue output can represent the gas concentration in units of either m/sec or m
3
/sec. The
and
keys
will toggle between these two options. Press the
ENTER
key to enter the new value.
5 CONFIGURE O/P1
Units m/sec
7.9.3.4. Output Span
Select the required span using the
and
keys for each digit. The
ENTER
key is pressed to enter the value of
each digit. The units will be displayed in either m/sec or m
3
/sec, depending on what has been selected
beforehand. The current value will be displayed for 1 second when this option is entered. The display then
defaults to zero; thus the span value must be re-entered for the unit to function correctly.
5 CONFIGURE O/P1
Span 020.0m/sec
7.9.3.5. Set mA Output
Should a fault condition occur the current output of the instrument may be set to any of the following options:
Set the output at 0 mA
–
ZERO
.
Adjust the output to the measured concentration even though a fault condition exists
–
MEAS
.
Hold the last measurement
–
HOLD
.
Set the output to full scale (20mA)
–
F
.
S
.
5 CONFIGURE O/P1
Fault cond ZERO
One of these options can be selected by pressing the ARROW keys, when the desired option is displayed press
the
ENTER
key.
6.9.3.6. Set mA Output
This is set at the factory and should not be altered without due consideration.
From this option the current levels of the analogue output are set up. Press the
ENTER
key to select it, and the
operator is prompted to set the current levels at 0 and 20mA.
5 CONFIGURE O/P1
Set Zero (0000)