The following matters need to be paid attention to when making contact measurements with tungsten-rhenium probes for solar testing:
1. Selection of probes: Select the appropriate type and specification of probes according to the size and shape of the solar panel. Ensure that the probe head can make good contact with the metal wires or electrodes on the solar panel, and that the probe stem is flexible and durable enough to meet the test requirements.
2. Cleaning of the probe: Before testing, make sure the probe is clean to avoid dust, dirt or other impurities from affecting the test results. If necessary, the probe tip and probe stem can be cleaned using an appropriate cleaner and cotton swabs.
3. Calibration of the probe: Before testing, the probe needs to be calibrated to ensure the accuracy of its measurement results. You can refer to the probe manual or use special calibration equipment for calibration.
4. Strength of the probe: During contact measurement, ensure that the contact strength between the probe head and the metal wires or electrodes on the solar panel is moderate to avoid excessive force causing damage to the probe head or too small force causing contact. bad.
5. Movement of the probe: During the test process, the probe needs to be moved slightly to find the best measurement position. At the same time, avoid excessive movement of the probe to avoid affecting the stability of the test results.
6. Control of the test environment: When testing solar panels, ensure that the test environment is stable and clean to avoid interfering with the test results. For example, surrounding electrical equipment or interference sources can be turned off to reduce electromagnetic interference.
7. Recording and analysis of test data: During the test process, measurement data need to be recorded and analyzed in a timely manner. Indicators such as solar panel performance, efficiency and service life can be evaluated based on the measurement results.
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