The Foil Electroscope is an scientific instrument that is used to detect the presence and magnitude of electric charge on a body. For recognition and understanding of electric charge in physics class.Teaching Equipment for students and kids.
Auto range. Convenient exchange makes your measurement more accurate.Relative value measurement function. In this mode, the instrument display value = actual value-set reference value.
Ceramic filter is a new generation of high-efficiency and energy-saving solid-liquid separation equipment. Its basic principle is similar to that of ordinary disk vacuum filter. The key difference is that it uses porous ceramic filter plate as filter medi