Calibration of a test chamber in accordance with IEC 60068-3-5 involves verifying that the chamber’s performance meets the requirements of the standard. Here are the steps involved in calibrating a test chamber in accordance with IEC 60068-3-5:
The first step is to ensure that the test chamber is clean and empty. All sensors and measuring equipment should be properly installed and calibrated.
The test chamber should be operated at the ambient conditions specified in IEC 60068-3-5. These conditions include a temperature range of 5°C to 35°C and a relative humidity range of 25% to 75%.
Temperature #calibration :
The temperature inside the chamber should be calibrated using a calibrated reference thermometer. The temperature should be measured at various points inside the chamber, and the readings should be compared to the reference #thermometer
The humidity inside the chamber should be calibrated using a calibrated hygrometer. The humidity should be measured at various points inside the chamber, and the readings should be compared to the reference hygrometer.
After the temperature and humidity calibration, the performance of the chamber should be #verified. This involves conducting a test using a test specimen and measuring the temperature and humidity conditions inside the chamber during the test. The measured values should be compared to the requirements specified in IEC 60068-3-5.
Documentation: All calibration and performance verification results should be recorded and documented in a calibration report.
By following these steps, the test chamber can be calibrated in accordance with IEC 60068-3-5, ensuring that the chamber’s performance meets the requirements of the standard.
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