1. Automatic wind speed adjustment function of high and low temperature test chamber:
a. When the equipment is in the process of heating up, the circulating fan runs at high speed, which accelerates the air convection in the working room, shortens the heating time, and improves the work efficiency;
b. When the temperature in the working room is close to the control temperature, the instrument automatically adjusts the circulating fan from high-speed operation to low-speed operation, so that the air in the working room is gently convected and effectively extends the life of the circulating fan;
c. If you do not need to use the automatic wind speed adjustment function, you can adjust the high and low speed control parameters to 999.9 according to the control parameter adjustment method, and the circulating fan will always be in high-speed operation.
2. Self-tuning function of high and low temperature test chamber:
If there is a large temperature overshoot or a large temperature fluctuation during temperature control, please start the auto-tuning function as follows
a. Turn off the power switch and open the door to allow the device to cool naturally to ambient temperature;
b. Close the door, turn on the power switch, and set the temperature to the commonly used temperature value;
c. According to the control parameter adjustment method, adjust the auto-tuning parameters to 1;
d. Under the normal working state, press and hold the minus key for 5 seconds to enter the auto-tuning state, at this time the PV display shows ATU and flashes;
e. After auto-tuning is completed, the meter automatically returns to normal working state.
f. In auto-tuning state, pressing any key is invalid. How to debug the wind speed and self-tuning function of high and low temperature test chamber
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