A simple device for testing insect super-cooling point
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Key Words：insect，super-cooling point，thermistor，test，method
Abstract： Based on previous studies, improvements to a thermistor designed to test insect super-cooling and humoral freezing points is described. Compared to the normal thermocouple method, the improved device has the same accuracy but a higher test success rate and is more portable. The device first transcribes the thermistor value variation, which makes it easy to call up the super-cooling point and thermistor value at any time. It incorporates an insect clamp which shortens testing time and improves efficiency, and can be used for batch testing insect super-cooling and humoral freezing points both regularly and continuously.