Sensors
Measurement
Range
Resolution
Accuracy
Oxygen (O
2
)
0-25%
0.1%
±0.2%
Carbon Monoxide
(CO)
0-10000 ppm 1 ppm
<100 ppm : ±5 ppm
>100 ppm : ±5%
High (CO)
0-10.00%
0.01%
<0.10% : ±0.01%
±5% fsd > 0.10%
Nitric Oxide (NO)
0-1000 ppm
1 ppm
<100 ppm : ±5 ppm
>100 ppm : ±5%
Probe Thermocouple 0-800
o
C
(=32
o
-1472
o
F)
1
o
C
±0.3%, ±1
o
C
(= ±0.3%, ±2
o
F)
Ambient
Temperature
0-40
o
C
(=32
o
-104
o
F)
1
o
C
±1
o
C
Pressure/Draught
±150 mb
0.01mb
±0.5%
Efficiency/Stack loss 0-99.9%
0.1%
CO
2
0-99.9%
0.1%
The CO and NO sensors have replaceable filters which should be changed
regularly if used in harsh environments. The expected life for these
sensors is three years under normal operating conditions and for the
oxygen sensor the expected life is two years.
