Power supply voltage: rated power supply voltage AC380V, voltage fluctuation range -10 ~ +10%, power supply frequency: 50Hz ± 1Hz. Users outside this range are required to purchase a regulated power supply.

Ambient air temperature: 5 ° C ~ 40 ° C; and 24 h average temperature should not exceed 35 ° C.

Humidity: The maximum temperature is 40 ° C, the relative humidity does not exceed 35%, and the humidity change does not cause condensation.

The concentration of dust in the air shall not exceed 10mg/m3, and shall not contain acid, salt and corrosive gases.