Contact activation, Alarm pattern (h-hh), Alarm pattern (l-ll)' (* oxygen deficiency alarm) – RKI Instruments GD-70D Series User Manual
Page 36

4 Detection Mode
4-1. Gas alarm activation
GD-70D
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The contact is activated when the gas concentration reaches or exceeds the alarm setpoint. The contact
activation is reset automatically when the gas concentration drops below the alarm setpoint.
'Alarm Pattern (H-HH)'
'Alarm Pattern (L-LL)' (* oxygen deficiency alarm)
Alarm delay time (2 seconds)
Alarm delay time (2 seconds)
Alarm lamp (ALM 1)
Alarm contact (terminal plate 5, 6)
Alarm lamp (ALM 2)
Alarm contact (terminal plate 7, 8)
Second alarm setpoint
First alarm setpoint
Concentration
Time
Alarm lamp (ALM 2)
Alarm contact (terminal plate 7, 8)
Alarm delay time (2 seconds)
Alarm delay time (2 seconds)
Alarm lamp (ALM 1)
Alarm contact (terminal plate 5, 6)
First alarm setpoint
Second alarm setpoint
Concentration
Time
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