Shandong China Coal Group Instrument Branch

CE certification is limited to basic safety requirements for products that do not endanger the safety of humans, animals and goods, not general quality requirements. Therefore, the accurate meaning is

The working principle of the underground water detector is to use the earth electromagnetic field as the working field source, based on the difference of resistivity of underground rocks and ores, to

The rebar detector can be used to detect the spacing of steel bars and the thickness of the concrete protective layer in concrete structures and components. Before testing, the rebar detector should

A flammable gas sensor is a gas-electric converter. Its role is to convert the content (ie concentration) of flammable gas in the air into an electrical signal, and then the single-chip microcomputer

The underground parking lot belongs to a closed environment and the exhaust gas is not easy to be discharged, which harms human health. Therefore, the underground garage and parking lot should be equi

The use of non-polarized electrodes can obtain the comprehensive data with more parameter information, which has a significant effect on the accuracy and efficiency of using water detector finding wat