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The high and low temperature testing machine can detect the product's high temperature resistance, low temperature resistance and humidity resistance under the specified temperature and humidity. At the same time, the high and low temperature testing machine has the ability of heating, cooling, humidifying and dehumidifying.
The high and low temperature testing machine controls the heating components through the control instrument to achieve the temperature rise requirement. The heating system of high and low temperature testing machine is generally heated directly by nickel-chromium alloy electric heating wire. When the equipment is working, the circulating fan makes the air in the box convect and takes away the heat generated by the heating wire to achieve the effect of heating the air inside the box; control system Through the microcomputer adjustment, the conduction time of the heating wire is controlled, and the heating heat and the heat loss are dynamically balanced to achieve precise temperature control. 