High-temperature oven should be operated cautiously after energized, the specific steps are as follows:
1, connected to the power supply, you can open the heating switch, the oven will be the temperature setting dial dial to the desired value of the operating temperature, the temperature "set - measure" switch is placed in "set", adjust the temperature setting knob to the desired After the working temperature, the "set-measure" switch will be placed in the "measurement", at this time, the box began to warm up, the green light.
2、After the temperature is reached, it can be used for a certain period of constant temperature according to the test needs, in the process, the oven can be automatically controlled by the thermostat and does not need to join the manual management.
3, high temperature oven constant temperature, electric constant temperature blast drying oven should be closed high temperature switch, only a group of electric heaters work, so as not to power too large, affecting the accuracy of constant temperature, the working temperature is less than 150 ℃, only a group of heaters work, should be closed high temperature switch.
4, when the temperature rises to the required working temperature, adjusted to the green light is off, and then fine-tune to the green light is back on, in this light alternately brightly at the point of thermostat, at this point you can then fine-tune the knob to the green light is off to make it thermostat is very likely to be in the thermostat, the temperature still continues to rise, which is the effect of residual heat. Press the "heating" switch (heater energized), the oven into normal operation, according to the process requirements to set the temperature, when the oven temperature rises close to the set value, the heater power on and off, the oven into the constant temperature work. Oven operation should be closed immediately after the end of the power switch, do a good job of cleaning and maintenance of the oven. The oven is equipped with a round air inlet on the top of the front side, adjust the size of the air inlet to adjust the air intake of the oven, its air intake increases, the top of the box exhaust port exhaust also increases, according to the actual situation of the reasonable adjustment of the amount of air intake and exhaust, the general drying oven is just beginning to start or when the temperature is low close the air inlet door, in order to facilitate the rise in the temperature of the oven, when the temperature inside the box is higher when the air intake door is opened, in order to facilitate the discharge of moisture.
When the oven needs to use the timer, set the time value first, and then screw the timer switch in the "on" position, if you need to observe the humidity of the oven, please press the red switch under the humidity meter. Flammable and explosive materials can not be heated into the oven baking, operation of any abnormalities, should immediately stop the machine to check, to be repaired after normal use. Oven shell must have a good grounding, should be placed in a well-ventilated room, in the vicinity of the flammable and explosive materials can not be placed.
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