Lutron EMF-828 三轴电磁波测试器（20000 Mili-Gauss）

* Three axis (X, Y, Z direction) electromagnetic field measurement.
* Range : 20/200/2,000 micro Tesla. 
200/2,000/20,000 milli-Gause. 
* Band width : 30 Hz to 300 Hz. 
* LCD display, jumbo digit size. 
* Heavy duty separate probe. 
* Data hold, DC 9V battery. 
* Hard carrying case included. 
* Size : 200 x 68 x 30 mm.