1) It is recommended to install a sun visor to extend the service life of the instrument when installing the instrument outdoors.

      2) Wire and cable protection pipes should be sealed to prevent water accumulation.

      3) Although the instrument has its own lightning protection device, when the instrument is used in areas where there are many lightning

      Install special lightning protection devices.

      4) When the meter is used in a particularly hot and cold place, that is, when the ambient temperature may exceed the working requirements of the meter, it is recommended to be around the level meter

      Install anti-high and low temperature devices.