Electric hot blast drying oven

Instructions for using an electric hot air drying oven: 1. Place the material to be dried on a stainless steel or porcelain plate, place it on the grate plate of the drying oven, and close the door of the drying oven tightly. $r$n 2、 After connecting the power, the indicator light next to the temperature setting knob lights up, indicating that the power supply is normal. $r$n 3、 Open the plastic cover for temperature setting, turn the temperature setting knob to the desired working temperature value, and the green light will turn on, indicating full power heating. Close the plastic cover; Activate the electric blower switch. $r$n 4、 During the heating process, the dried material should be flipped over according to the situation, visually inspected for dryness, weighed, and then placed in the oven. After ten minutes, the weight should be weighed again