1、When the glass cylinder is not filled with water, it shall not be energized.
2、When the stirring bar is not installed to the instrument, there must not be heavy objects pressed on top of the steel bar during the usual storage process to prevent deformation of the bar.
3, the bath in the tub must not have impurities and floating objects to avoid blocking the test hole.
4、Before use, the instrument must be reliably grounded.
5、When using the full immersion thermometer to correct the temperature, the effective scale of the thermometer must not be exposed to the liquid surface of the thermostatic bath.
6, the instrument is not allowed to be stored or used in a humid, corrosive gas environment.
7, the instrument in the process of use, if there is a failure, you should ask professionals to repair, and timely contact us.
8、The power supply must be well grounded.
9、No cool water should be added to the glass cylinder without cooling down to prevent the cylinder from blowing up.