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K100000000S9 036103 130121
6.2 Measurement and Accuracy Ranges
MEASUREMENT
SENSOR
RANGE
RESOLUTION
ACCURACY
RESPONSE
TIME T90
O
2
Electrochemical
sensor
0 .. 21.0% vol
0.1% vol
±0.2% vol
<20 sec.
CO
high H2 immunity
with NOx filter
Electrochemical
sensor
0 .. 4000 ppm
1 ppm
±20 ppm 0 .. 400 ppm
±5% measured value 401 .. 4000 ppm
<30 sec.
CO
with NOx filter
Electrochemical
sensor
0 .. 4000 ppm
1 ppm
±20 ppm 0 .. 400 ppm
±5% measured value 401 .. 4000 ppm
<30 sec.
NO
Electrochemical
sensor
0 .. 2000 ppm
1 ppm
±5 ppm 0 .. 100 ppm
±5% measured value 101 .. 1000 ppm
±10% measured value 1001 .. 2000 ppm
<40 sec.
NOx
Calculated
CO2
Calculated
0 .. 99.9% vol
0.1% vol
PI
*
(CO/CO
2
ratio)
Calculated
0.01%
Air temperature
TcK sensor
-4 .. 248 °F
0.2 °F
±1 °F
<30 sec.
Flue gas
temperature
TcK sensor
-4 .. 1472 °F
0.2 °F
±1 °F 32 .. 212 °F
±1% measured value 213 .. 1472 °F
<30 sec.
Pressure
(draft & differential)
Piezoelectric
sensor
-40 .. 80 “H
2
O
0.004 “
H
2
O
±1% measured value
-40 .. +0.8 “H
2
O
±0.008 “H
2
O -0.8 .. +0.8 “H
2
O
±1% measured value
+0.8 .. +80 “H
2
O
<10 sec
Differential
temperature
Calculated
32 .. 2282 °F
0.2 °F
Air index
Calculated
0.00 .. 9.50
0.01
Excess air
Calculated
0 .. 850 %
1 %
Stack loss
Calculated
0.0 .. 100.0 %
0.1 %
Efficiency
Calculated
0.0 .. 100.0 %
0.1 %
Efficiency
(condensing)
Calculated
0.0 .. 120.0 %
0.1 %
* The Poison Index ratio (P.I.) is a reliable indicator of a boiler or burner good operation. It only takes a simple flue gas test to determine
whether or not a service is needed to fix the system.