19
3.3.2 Serial number
The first line displays the unique serial number of the gas
detector. The serial number can also be found on the type label
on top of the enclosure.
The first two numbers represent the year of production,
18-######, mans produced in 2018.
The serial number is factory-set and cannot be changed.
3.3.3 Gas type
The second line displays the gas type of the gas detector. This
can be for example H
2
S, CO, O
2
, H
2
.
For O
2
, there are 3 different (alarm) types;
Low alarm: activated when gas concentration
drops below the alarm set point LOW.
High alarm: activated when gas concentration
drops below the alarm set point HIGH.
Low alarm: activated when gas concentration
drops below the alarm set point LOW.
High alarm: activated when gas concentration
rises above alarm set point HIGH.
Low alarm: activated when gas concentration
rises above alarm set point LOW.
High alarm: activated when gas concentration
rises above alarm set point HIGH.
The gas type is a factory-set and cannot be changed.
3.3.4 Range
The third line displays the range of the gas detector.
The ranges corresponds with 20 mA of the analog output.
The range is factory-set and cannot be changed.