Regarding the over-temperature protection measures of the vacuum drying oven, older models typically rely on mechanical temperature adjustment devices without built-in safety protections. To ensure a safer operation, Shanghai Tournament Test Equipment recommends that users opt for an intelligent temperature controller for accurate temperature management and install a separate temperature protection switch as an additional safety measure. This dual-layer approach significantly enhances the overall safety of the equipment. Before starting the drying oven, it is essential to first turn the temperature hold knob clockwise to the locked position. After that, follow the operating instructions to power on the machine. Failing to do so may trigger an alarm and automatically cut off the power supply. In such cases, turn off the power, adjust the temperature hold knob, and restart the device. If the working temperature hasn't reached the set value on the instrument dial, and the alarm is silenced while the machine turns off, it means the temperature hold setting is lower than the preset temperature. In this situation, turn off the power again, re-adjust the temperature hold knob, and power on the device once more. Always double-check the settings before starting the process to avoid unexpected shutdowns and ensure smooth operation.
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