60
APPENDICES
A – PARAMETER MEANINGS
The parameters and their meanings are detailed as follows : -
DATE :
Analyser date.
TIME :
Analyser time.
MAIN BATTERY/
Displays the battery level from 0-100%. The analyser will flash
HEATER BATTERY:
RECHARGE BATTERY
at less than 10 % of charge. The analyser
may show levels greater than 100% when the charger is connected.
----- :
Displayed when a calculation cannot be performed because a probe
is not fitted or a parameter is out of range.
FUEL :
The fuel used in calculation of efficiency and carbon dioxide.
K1g:
Gross calorific fuel constant. See Appendix for calculation.
K1n :
Gross calorific fuel constant. See Appendix for calculation.
K2 :
Percentage Maximum theoretical CO
2
(dry basis).
K3:
Percentage wet loss.
K4 :
Percentage unburnt carbon loss.
O2r :
Toxic gas measurements can be referenced to defined oxygen levels.
Oxygen referencing is required by some regulations such as TA-
LUFT. If a reference value is selected the toxic gas measurements
will be displayed with the symbol
n
attached to the units. i.e.ppmn
What does oxygen reference mean ?
If 3 % O
2
reference is selected and 5 % O
2
is measured in the flue
then toxic gas values will be recalculated as if 3 % were measured.
The equation for referencing is detailed in the Appendix.
oxygen referencing prevents false readings being submitted, e.g.
allowing more air into the boiler will increase the oxygen level in the
flue and hence dilute any toxic gas reading. Oxygen referencing
gives readings as if they were undiluted.
NETT :
Nett temperature calculated by deducting the internal AMBIENT
temperature from the measured FLUE temperature. Displays in
either Centigrade C or Fahrenheit F and will display NOT FITTED if
flue probe not connected.
If an external INLET probe is used then INLET is deducted from
FLUE.
Summary of Contents for 9206 Quintox
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