The oxygen analyzer in the glove box is a key device for monitoring the oxygen concentration inside the glove box, and its accuracy directly affects the success or failure of the experiment.
When encountering the following situations, it is necessary to perform maintenance on the oxygen analyzer of the glove box:
Inaccurate reading:If the reading of the oxygen analyzer inside the glove box deviates significantly from the expected value or is inconsistent with the data from previous experiments, it may be necessary to calibrate or maintain the oxygen analyzer.
Long response time: When the oxygen concentration inside the glove box changes, the response time of the oxygen analyzer significantly increases, which may indicate sensor aging or system problems.
Abnormal fluctuations in oxygen content: If there are abnormal fluctuations in the oxygen content of the glove box, even without significant changes in operation, cleaning and regeneration of the glove box have not improved, which may be due to the insensitivity of the oxygen probe sensor and the need for maintenance.
Fault alarm: If the oxygen analyzer in the glove box issues a fault alarm, such as a sensor malfunction or circuit problem, it should be checked and repaired immediately.
Physical damage: If there is visible damage to the oxygen analyzer or its connecting circuit in the glove box, such as cracks, broken wires, etc., it needs to be repaired in a timely manner.
Regular maintenance: Even if the oxygen analyzer in the glove box is running normally, it still needs to be regularly maintained and calibrated to ensure its long-term stable operation.
The main purpose of repairing an oxygen analyzer is to check whether the appearance of the analyzer body, battery, and oxygen probe are normal.
Adjust the pressure inside the glove box to be higher than atmospheric pressure, then rotate and remove the oxygen analyzer, and tighten the corresponding cover on the interface to prevent air from entering the glove box.
Check if the appearance of the glove box oxygen analyzer is damaged and if the battery needs to be replaced.
Place the disassembled glove box oxygen analyzer in the atmosphere and first check if there is any change in oxygen content. If the oxygen content increases but does not reach 999.9 (the upper limit of oxygen content display), or if the progress is slow during the increase, you can unscrew the sensor protective shell and replace it with a new sensor. If the oxygen content still has the above problems, it means that the oxygen analyzer needs maintenance; If the oxygen content rapidly increases to 999.9 after replacing the sensor, it indicates that the oxygen analysis is normal and the sensor needs maintenance.
Specific maintenance methods can be provided by contacting the glove boxsupplier for technical support to avoid personal operation causing damage to the oxygen analyzer.
