Shandong China Coal Group Instrument Branch

Multi gas detectors are safety instrumentation tools used to detect changes in the gas concentration value at the job site. Because they are high-precision instruments, care should be taken in the ear

The urban underground pipeline network includes urban water supply, drainage, electricity supply, natural gas supply and communications. It is an important part of urban infrastructure. The undergroun

It can be used to detect the construction quality of existing reinforced concrete projects and newly-built reinforced concrete structures: determine the location and reinforcement of the reinforcement

Spring is in full swing in March. In order to celebrate the 111th "March 8" international working women's day and better care for the group's female employees, on the afternoon of March 8, China Coal

The bus system is also called RS485, and the branch system is also called 4-20mA model. The gas detector currently mainly uses these two wiring methods, each with its corresponding alarm host.

Portable and fast-response rebar detector can quickly detect and measure concrete depth and rebar diameter and position over a large area. This method of non-destructive testing is especially useful f