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7. Mk9 O2 Sensor, General information
7.1 General Description
The sensor is an O2 sensor with display that is used to monitor the O2 levels of a confined space.
This unit can be connected to a Central Unit or to an existing Mk9 CO2 System for full functionality.
Horn/strobes, flash units or external connection boxes can also be connected to the sensor for added
functionality. The O2 sensor display shows the current O2 level and the current alarm settings.
The LogiCO2 oxygen sensor (O2) has a FBO oxygen sensor with built-in temperature and pressure
adjustment. This means that it has an automatic altitude compansation function. The oxygen sensor
is factory calibrated and measures the ambient oxygen partial pressure (ppO₂) levels. The sensor
benefits from low power operation and a long lifetime (> 5 years) due to the non-depleting sensing
principle.
The O2-sensor is compatible with LogiCO2 Mk9 CO2 Safety System. It communicates via Modbus RTU
with the LogiCO2 Mk9 Central unit and can be used together with the different LogiCO2 CO2 sensors.
The unit is delivered together with a horn and strobe alarm device.
System Fault LED
(Yellow)
O2 Alarm LED
(Red)
Buzzer
Power On LED
(Green)
Display
Service Button
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