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14. ANALYSER SPECIFICATION
(NOTE: MAY BE SUBJECT TO CHANGE)
Parameter
Range
Resolution
Accuracy
Temp Measurement
Flue Temperature 0-600
o
C 0.1
o
C +2.0
o
C
+0.3% reading
Inlet Temperature
(Internal sensor)
0-50
o
C 0.1
o
C +1.0
o
C
+0.3% reading
Inlet Temperature
(External sensor)
0-600
o
C 0.1
o
C +2.0
o
C
+0.3% reading
Flue Gas Measurement
Oxygen
*2
0-21% 0.1% +0.3%
Carbon monoxide
*1
0-20ppm
21-2,000ppm nom
4,000ppm max for
15 mins
1ppm
+3ppm
+5% reading
Carbon dioxide
*1
0-20% 0.1% +0.3% volume
Efficiency
(Net or Gross)
*2
0-99.9% 0.1% +1.0% reading
Efficiency High (C)
*2
0-119.9% 0.1% +1.0% reading
Excess Air
*2
0-250% 0.1% +0.2% reading
CO/CO
2
ratio
*2
0-0.999 0.0001 +5% reading
Pressure (differential)
Nominal range +80mbar
Maximum over range without
damage to sensor is
+400mbar
+0.2 mbar
+1 mbar
+80 mbar
Maximum
0.001 mbar
<25mbar
+0.005 mbar
+0.03 mbar
+3% of reading
Pre-programmed Fuels
Natural gas, Propane, Butane, LPG, Light Oils (28/35 sec),
Wood Pellets
Storage Capacity
60 Combustion tests
20 Pressure & Temperature tests
20 Tightness tests
20 Temperature tests
20 Room CO tests
20 Commissioning tests
*1
Using dry gases at STP
*2
Calculated
Carbon Dioxide resolution is 0.01% below 1% measured value.