The Hubei Wuhan high and low temperature test chamber is a critical piece of equipment used in laboratories to evaluate the performance of test samples under alternating high and low temperature conditions. This testing helps ensure that products can withstand extreme environmental changes, making it an essential tool for quality control and research. Wuhan Lanrui Technology offers detailed calibration methods for Hubei's high and low temperature test chambers, ensuring accurate and reliable results:
1. Key metrological characteristics of the high and low temperature test chamber include temperature uniformity, temperature fluctuation, and temperature deviation.
Temperature Uniformity: This refers to the difference in temperature readings between various points within the working space when the chamber has reached a stable state. It measures how evenly the temperature is distributed throughout the chamber.
Temperature Fluctuation: This indicates the variation in temperature at the center point of the workspace over time while the chamber is in a steady state. In simpler terms, it represents the temperature "beat" or oscillation at a specific location.
Temperature Deviation: This is the difference between the maximum and minimum measured temperatures at each point in the working space and the nominal (set) temperature during steady-state conditions. It reflects how much the actual temperature deviates from the desired value.
2. Calibration Measurement Methods:
1. The calibration should be performed under no-load conditions. If a load is present, this must be clearly stated in the calibration report.
2. Temperature measurement points should typically be selected at the upper limit, lower limit, and the center of the equipment's operational range to ensure comprehensive coverage.
3. The placement of measurement points depends on the size of the chamber. For chambers with a volume less than 2 cubic meters, there should be 9 temperature measuring points and 3 humidity points. For chambers larger than 2 cubic meters, the number increases to 15 temperature points and 4 humidity points.
By following these calibration procedures, users can ensure that their high and low temperature test chambers are operating accurately and consistently, which is vital for obtaining reliable test results and maintaining product quality standards.
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