PQWT-TC900 multi-functional water detector is a national patent product, it is full automatic form mapping after sampling data no need the computer drawing mapping, the instrument break the traditional electrical prospecting exploration cloth wiring, uses an electric field source eliminating the need of heavy earth complex supply section , it is very portable, you only need one to two people to do exploration, a collection point just need five seconds to five minutes , the instrument uses a single selective menu , data acquisition accuracy rate up to 0.001mv. Applicable to a variety of geological environment of the city , mountains, plains, mainly used for fast search and evaluation of all kinds of metal ore,non-metallic minerals, groundwater resources,solving engineering geological problems In the long-term use in practice to prove: in solving the above problems have received significant geological effects, unanimous praise of the relevant departments and the vast majority of customers .