The Hubei Wuhan high and low temperature test chamber is designed to evaluate the performance of test samples under alternating high and low temperature conditions. It plays a crucial role in laboratory testing, ensuring that products can withstand extreme thermal environments. Wuhan Lanrui Technology offers detailed calibration methods for Hubei high and low temperature test chambers to help users maintain accuracy and reliability.
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 among various points within the working space when the equipment has reached a stable state. A lower temperature uniformity indicates better consistency across the test area.
Temperature Fluctuation: It measures how much the temperature at the central point of the workspace changes over time while the system is in a steady state. In simpler terms, it reflects the "beat" or variation of a single point during operation.
Temperature Deviation: This is the difference between the maximum and minimum measured values at each point in the working space and the nominal set value. It helps identify any inconsistencies or inaccuracies in the temperature control system.
2. Calibration Measurement Methods:
1. Calibration should be performed under no-load conditions. If a load is used, it must be clearly stated in the calibration report to ensure accurate results.
2. The measurement points should typically cover the upper limit, lower limit, and center of the equipment's operational temperature range. This ensures comprehensive coverage of the test environment.
3. Placement of measuring points depends on the size of the chamber. For chambers with a volume less than 2 cubic meters, there should be 9 temperature measurement points and 3 humidity measurement points. For chambers larger than 2 cubic meters, the number increases to 15 temperature points and 4 humidity points, ensuring accurate data collection across a larger space.
By following these calibration procedures, laboratories can ensure their high and low temperature test chambers are operating within acceptable tolerances, providing reliable and repeatable test results. Proper calibration not only meets industry standards but also enhances the overall quality and safety of the products being tested.
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