Answer :
Final answer:
After calibrating a sensor, it is important to purge it with zero gas to ensure accuracy. Other steps, like recalibrating or power cycling, are not typically required immediately after successful calibration. The act of purging removes any residual gas that could affect readings.
Explanation:
Understanding Post-Calibration Procedures for Sensors
Upon completion of a successful span calibration for sensors, it’s crucial to follow certain steps to ensure the accuracy and reliability of sensor readings. The options provided all involve steps related to sensor maintenance, but only one is generally required after calibration.
Steps to Consider After Calibration
- Recalibrate the Sensor: This is normally not required immediately after a successful calibration unless there’s been a significant change in environmental conditions.
- Purge the Sensor with Zero Gas: This is often the correct action, as purging the sensor with zero gas helps in ensuring that any residual gases do not affect subsequent readings.
- Adjust the Flow Rate on the Calibration Cylinder: This step is typically performed before calibration rather than after it.
- Power Cycle the Sensor: Although power cycling may refresh the sensor’s state, it is not a mandatory step post-calibration.
Therefore, the best action to take after successful span calibration, in most cases, is to purge the sensor with zero gas. This step helps maintain the sensor's accuracy and prepares it for reliable operation.
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