6 Operations and Functions
6-1. Alarm activation
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6
Operations and Functions
6-1. Alarm activation
Oxygen concentration alarm: Activated when the detected oxygen concentration reaches or exceeds the
alarm setpoint value. <<Auto-Reset Operation>>
NOTE
The alarm setpoint is factory-set. Although the alarm delay time (standard: 2 seconds) works in the detector
to prevent a false activation, it can be cancelled if not needed.
<Display Operation>
Oxygen Concentration Display
In case of over the detection range (Over Scale), "
∩∩∩∩
" is displayed on the LED.
Power Indicator Lamp (POWER: Green)
During operation, this lights up continuously.
Alarm Indicator Lamp (ALM: Red)
This lights up when the alarm setpoint value is reached or exceeded.
<Alarm Activation>
It lights up when the oxygen concentration reaches or exceeds the alarm setpoint value.
The alarm activation is reset automatically when the gas concentration drops
above the alarm setpoint
value.
Alarm delay time (2 seconds)
Alarm lamp (ALM)
Alarm setpoint
Conc
entratio
n
0
Time
Summary of Contents for SD-1DOX-AS
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Page 61: ...10 Product Specifications 10 1 List of specifications 59 Outline Drawings Adapter A NPT1 2...
Page 65: ...10 Product Specifications 10 1 List of specifications 63 Outline Drawings Cable gland G3 4...
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