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Revision 0.07
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3.3.3.4 Warning Set Point
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Figure 3-27 Sensor’s Warning Level
The default warning levels for the sensors are:
– Carbon Monoxide 50 ppm
– Nitrogen Dioxide 3.0 ppm
– Combustible 2,000 ppm (5% LEL for methane)
Setting a warning level of 0 (zero) will disable warning detection for this particular sensor.
3.3.3.5 Range
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Figure 3-28 Sensor’s Range
The range for each sensor is the gas concentration that corresponds to the 20 mA signal level.
The default range values for the sensors are:
– Carbon Monoxide 200 ppm
– Nitrogen Dioxide 6.0 ppm
– Combustible 10,000 ppm (25% LEL for methane)