QUESTION
If the oxygen level is increased at what % would the unit go into fault?
ANSWER
The device will go into fault with an exposure above 25% Oxygen
QUESTION
Will the unit provide a warning when in this state?
ANSWER
The Fault "!" LED will illuminate and there will be an audible alarm
QUESTION
Please also confirm if the sensor will be damaged at higher than a particular O2 % or it will operate as normal if the oxygen level drops to a safe level again.
ANSWER
Once the Oxygen falls to safe levels again, the cell should fully recover. Be aware that extended periods of exposure to higher levels of Oxygen can reduce sensor life