Detection mode, 1. gas alarm activation – RKI Instruments GD-70D Series User Manual
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4 Detection Mode
4-1. Gas alarm activation
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GD-70
4
Detection Mode
4-1. Gas alarm activation
Gas alarm: Activated when the concentration of detected gas reaches or exceeds the alarm setpoint.
<<Auto-Reset Operation>>
NOTE
The alarm setpoint (first alarm and second alarm) is entered before it is delivered from the factory. Although
the alarm delay time (standard: 2 seconds) is enabled in the detector to prevent a false activation, you can
disable it if not needed.
<Display Operation>
Gas Concentration Display
In case of over the detection range (Over Scale), "∩∩∩∩" is displayed on the LCD.
Power Indicator Lamp (POWER: Green)
This lights up continuously.
Alarm Indicator Lamp (ALM1: Red), (ALM2: Red)
The alarm consists of two steps. Each of them lights up when respective alarm setpoint is reached or
exceeded.