Industrial microwave radiation on the human body how much harm?

Recommend a portable MHJ-3 microwave leakage detector, in the measurement of more than 1mw that is more than the national health standards, test attention away from, 1mw within the human body has minimal impact, people who are located in the microwave leakage of more than 5mw/cm2 for a long time in the space there may be hair loss, asthenia, dizziness and other symptoms, and then a large dose of human eyes, testicles and other effects of severe radiation may cause The human body epidermal burns (of course, also need to look at the actual frequency and the human body was wearing clothing dielectric constant, etc.)