What common malfunctions may occur during the use of helium mass spectrometer leak detectors?
Common faults of helium mass spectrometer leak detectors include inaccurate detection, gas leakage, abnormal pressure, inability to start, abnormal display screen, and alarm errors, which are often caused by instrument aging, improper operation, environmental influences, etc. Regular maintenance and operation should be carried out according to regulations to ensure normal operation.
The common malfunctions that may occur during the use of helium mass spectrometer leak detectors mainly include the following:
1. Inaccurate test results: This may be due to issues with the instrument itself, such as sensor aging, contamination, damage, or calibration failure. In this case, the sensor needs to be cleaned or replaced, and the equipment needs to be recalibrated.
2. Leakage: The instrument itself has a leakage problem, which may be caused by internal structural damage or aging seals. The solution is to check and replace the damaged seals to ensure that the sealing points are tight.
3. Abnormal system pressure: including insufficient or excessive pressure. This may be caused by a malfunctioning relief valve or damaged pump. In this case, the damaged relief valve or pump needs to be replaced.
4. Unable to start or automatically shut down: This may be caused by power failure, low battery level, or internal hardware malfunction. The power supply should be checked, the battery or power cord should be replaced, and the internal hardware malfunction should be repaired.
5. Display screen abnormality: It may be due to damage to the display screen or loose connecting wires. At this time, it is necessary to replace the display screen or check and tighten the connecting wires.
6. Alarm message error: It may be caused by sensor false alarms or software bugs. The sensor status should be checked and the software should be updated or fixed.
In addition, equipment aging, improper operation, environmental impact, and insufficient maintenance may also lead to malfunctions of helium mass spectrometer leak detectors. Therefore, when using helium mass spectrometer leak detectors, it is necessary to strictly follow the operating procedures and regularly maintain the equipment to ensure its normal operation and accuracy.
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