As we all know, there are two kinds of rapid temperature change Test Chambers, linear and nonlinear. But do you know the specific difference between them?
1. Different speed of temperature change
A linear rapid temperature change chamber refers to a uniform rate of heating and cooling and the same rate within each cycle. If the heating rate in a certain cycle is set to degrees per minute, it means that the heating rate is a fixed degree per minute throughout the cycle, this will not be a degree per minute, but will be related to the cooling rate in each cycle same. Simply put, the rate of heating and cooling is controlled by laboratory instruments.
Non-linear rapid temperature change Test Chamber: the speed is fast at the beginning of heating, and gradually slows down in the later period of cooling. If heating is done at a certain degree per minute over a period of time, it means that heating and cooling are performed at an average degree per minute during that time period. Nonlinearity represents the average per-minute fluctuation when the ramp rate is not controlled by the instrument.
2. Different heating rates
Linear rapid temperature change The rate of rise of the chamber temperature (actually the average rate in 5 minutes). In fact, maintaining a linear rate of rise is difficult for a Test Chamber with rapid temperature changes. What is critical is the last 5 minutes of the drop rate, which is the cooling rate achievable by the Test Chamber.
The non-linear slope fast chamber is the overall average rate of ascent (the ratio of the difference between the highest temperature and the lowest temperature to time over the temperature range of the Test Chamber). At present, all high-low Temperature Test Chambers at home and abroad produce a non-linear rise rate.
