Jinan Huake Electrical Device Co., Ltd.

Operating environment:
1, this product is mainly used in mine underground, can be widely used in coal mines, gold mines, silver mines, copper mines, iron ore, lead and zinc mines and other types of mine underground.
2, this product can have gas, methane, coal dust, dust and other places with explosive risk of normal operation.
3, the ambient temperature between -25 degrees C to 60 degrees C, can be normal operation.
4, the air relative humidity is not greater than 95%, can be normal operation.
5, the atmospheric pressure of 80kPa to 106kPa, can run normally.
6, this product protection class is IP54.
Dust-proof IP5X: Prevents harmful dust build-up. That is: the entry of dust will not affect the normal operation of the product.
Waterproof grade IPX4: No harm is caused when liquid is spilled into the appliance in any direction. That is, water spraying the appliance from each direction will not cause damage.

Storage and transportation environment.
Storage temperature: -40 degrees C to 60 degrees C.
Relative humidity of stored air: ≤ 90%
Mechanical environment: vibration acceleration 20m/s2, impact acceleration 300m/s2.