1. no longer rainy days detection, because the instrument host itself has no drainage function, the circuit board if water, may be short circuit or other aspects of the fault.
2. when you don't use it, remove the battery, because the battery is placed in the instrument for a long time, and it may corrode the circuit board because of the leakage of the liquid.
3. long time no use, please put it in a dry place to save.
4. probes should not be placed near the furnace or in other high temperature environments.
5. the main engine and the probe are not strong enough to prevent the collision of hard objects.
6. can not use lubricant anywhere.
7. be careful to use, don't let sharp metal objects scratch and damage the probe.