-High precision thermometer.Accuracy class is ± 0.1 ℃Test method for temperature change:
1. Test in a large temperature difference environment. You can freeze it in the refrigerator for 30 minutes before observing it. If the temperature value changes significantly, the thermometer is normal.
2. There is a row of ventilation holes at the bottom of the product. Blow against the ventilation holes. If the temperature value rises significantly, the thermometer is normal.
Please hang or place the product in an open space and keep it ventilated, so that the measured value will be closer to the environmental value