10 Definition of Terms
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10
Definition of Terms
Catalytic
combustion type
This is a principle of the sensor installed in GD-A80-70.
See "9-2. Detection principle" for details.
Initial clear
Output from the detector head fluctuates for a while after turning on the power.
This is a function to prevent triggering alarm during that time.
Full scale
Maximum value of the detection range.
% LEL
A unit that assumes the lower explosive limit of the combustible gas to be detected as
100.
Calibration
Adjusts the readings to the calibration gas concentration value by using the
calibration gas.
