GWL150 (A) mining intrinsically safe displacement sensor

The intrinsically safe displacement sensor for mining is an intelligent instrument used in coal mines to monitor roof and floor displacements, tunnel side cracks, and the development of surrounding rock cracks. It has the advantages of small size, easy operation, intuitive display, and long service life. This product adopts the No. Powered by a dry battery pack and controlled by a touch membrane key switch, the instrument can be in a display working state or a non-display working state, which greatly improves the reliability of the instrument and the service life of the power supply. It can be used underground for a long time without maintenance. It is a traditional An ideal substitute for mechanical top and bottom plate settlement dynamics instruments.