Maintenance
Check Calibration and Re-calibration
The sensor’s calibration will need to be checked at least once a week. To check the
calibration you have to disconnect the sensor from the chamber. You will need the calibra-
tion chamber and 1/8 in. ID tubing to check the calibration. Follow the steps in the “Calibra-
tion Procedure for Low Oxygen Control” to check the calibration for low levels of oxygen
and follow the steps in “Calibration Procedure for High Oxygen Control” for high levels of
oxygen. If it isn’t accurate then it will need to be recalibrated. It may not require calibrating
in the beginning, but eventually it will begin to “drift”. Drift means that the sensor will slowly
lose the ability to accurately measure the gas oxygen level. The lifespan of the sensor will
vary depending on use. Whether it is used for low oxygen levels or high oxygen levels. In
high oxygen levels the sensor won’t last as long. On average the sensor will last 1-2 years.
New Sensor
In the event that the sensor quits functioning call the number on the side of the sensor
to purchase a new one. To replace the sensor follow step “4” of “Proox 360 Back Panel
Installation”.
22
Proox model 360
version 1.0
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