High and low temperature conversion rate in high and low temperature test chamber

High and low temperature test chambers play an important role in the conversion between high and low temperature during operation. This is also the core principle of high and low temperature test chamber operation, but what kind of conversion efficiency is the best?

The temperature rise and temperature drop rate of the low-temperature damp heat test chamber should be measured under full load conditions. The temperature rise and decrease rate: the uniform change rate per 5 min is 5±1 ° C/min or the highest uniform change rate of the test chamber. The test point is defined as the geometric center point of the workspace.

Mainly consists of the following two important steps:

1. Within the adjustable range of the test machine temperature, the lowest nominal temperature is selected as the lowest temperature drop temperature, and the highest nominal temperature is the highest temperature rise temperature.

2. Turn on the cold source, so that the test machine is reduced from room temperature to the lowest temperature drop, at least not fluctuating. After 3h, it rises to the highest temperature rise, at least does not fluctuate, and then drops to the lowest temperature drop after 3h. During the temperature rise and temperature drop, record once every minute until the end of the test process.

Mastering the core of the operation of high and low temperature test chambers is the most important.

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