How to deal with the overheating of the drying oven is too large

Too much temperature overshoot refers to the phenomenon that the temperature of the studio exceeds the set temperature by more than 5 °C when it is turned on, and then slowly lowers and stabilizes at the set temperature. Some pharmaceutical, biological, chemical, food, electronics and other industries are relatively sensitive to this phenomenon.

Although there is no limit for temperature overshoot in the standard of electric blast drying oven, the company attaches great importance to the opinions of users. The 101C series electric blast drying oven has been specially designed to meet the requirements of users. With the continuous improvement of control technology, the temperature overshoot of the company's 101A (including 101A-XE) series of electric blast drying ovens has generally been controlled below 2 ~ 3 °C. Through fine tuning, the meter readings in the ideal state do not even show temperature overshoot. Therefore, the 101C series has stopped production.

It is impossible to completely eliminate temperature overshoot. There is a way to make the temperature overshoot reach an acceptable level. For users who have previously purchased old-fashioned (position-controlled instrumentation) products, there are three options for users to choose from:

1 two-stage heating method; first set the temperature of the instrument to 5-10 °C from the required temperature difference (the specific difference is appropriate, the user can determine according to the current ambient temperature and the number of samples), and then re-stable the temperature of the instrument Set at the required drying temperature.

2 empty box constant method; first empty box to raise the temperature of the studio and stabilize at the required drying temperature, and then quickly put the sample into the studio. This method should pay attention to protect the operator from burns. More attention should be paid to the new hazards that may occur due to the volatilization rate of the volatiles of the baked product.

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