Installation of dust on-line monitor device in the dusting system of blast furnace gas and in inlet pipe of TRT set could effectively control cloth-bag dusting effect and realize on-line examination of gas dust content in the inlet pipe of TRT set.

Full digital oil tank measurement and monitoring device;

Development of insulation monitoring device for locomotive DC system;

Application of the monitoring device for up-to-slipway positioning of ship;

This paper to studied the method of testing and calculating electric energy index,then designed software and hardware of the electric energy quality monitor device.

This paper intends to study the method of testing and calculating electric energy index, and to design software and hardware of the electric energy quality monitor device, and to introduce the function of electric energy quality monitor device, working principle and testing result.