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Instruction Manual
IM-106-5500, Original Issue
August 2005
CCO 5500
4-14
Parameters Select this option by pressing the ENTER key.
The ARROW keys will now display the available
options from within this sub-mode. When the
option that requires changing is displayed,
press the ENTER key. When all required changes have been made, select
the EXIT option and press ENTER.
Security Number
To prevent any unauthorized tampering with the
set up information, it is important that the
security code be changed from the factory
setting. Each digit is selected with the ENTER
key and changed with the ARROW keys.
NOTE
It is important to make a note of this number otherwise it will not be possible to
change the instrument set up.
Identity Number
If the system is being used as part of an integral
monitoring system and the serial input and
outputs are being used, the central processor
requires a 'Device Identity' to identify each
instrument. This number must be unique for each equipment item, and can be
set from 1 to 30 as required.
Measurement Path Length
NOTE
The current value entered for the path length will be displayed for 1 second,
then the display will default to zero. The path length must be re-entered for
the unit to calculate gas concentrations correctly.
The transmissivity of a sample of any gas
depends both on the concentration and on the
path length through which the radiation is
transmitted. Similarly, the output of the CCO
5500 analyzer gas monitor also depends on the path length of the flue gas
through which the radiation is transmitted.
The CCO 5500 analyzer is sensitive to the product of concentration x path
length and in order to obtain a true value of concentration of gas, it is
necessary to input the correct path length into the processor. This value is
then used to produce a final value of gas concentration.
NOTE
The path length entered must represent the length of the actual gas pass, not
the flange to flange dimension between the transmitter and receiver.
5 PARAMETERS
5 PARAMETERS
Security # 0000
5 PARAMETERS
Identity # 30
5 PARAMETERS
Pathlength 0000mm