就是测house电磁幅射强度的,即下述文章有大量不错信息。给关心健康的朋友推荐下。For the vast majority of people, getting somewhere into the "Slight concern" level will be quite healthy for them, as these levels are on a par with the general consensus for EMF exposure among non-industry EMF experts and researchers around the world. For instance, the "Slight concern" level for AC magnetic field exposure in the building biology profession is 0.1-1.0 milliGauss (mG), while the generally accepted safe magnetic field exposure level according to most experts is 1-2 mG. 9 R8 I8 Q" M0 R& ^9 V5 ~/ E* B! \* X4 B. e. a! B6 v
http://www.createhealthyhomes.com/emf_meters.php