Long pole concentration meter

Instructions for Use

Used at altitudes below 2000 meters (altitude)

The instrument is used indoors;

The operating environment temperature is between 10 ℃ and 60 ℃;

Do not suddenly change the ambient temperature of the instrument;

Do not place the instrument in areas with large amounts of dust and strong vibrations when using it;

Do not place the instrument in damp places;

Do not install the instrument in direct sunlight or place heavy objects on the instrument;

Near the heating source;

Do not install in environments with high dust or exposure to corrosive gases;