Shandong China Coal Group Instrument Branch

Sewer pipe inspection crawler cameras have been matured abroad, and have achieved a lot of results in the field of in-pipe operation robots, mainly used in pipeline inspection, maintenance and cleanin

The thickness of the concrete protective layer is insufficient, and the external harmful medium easily penetrates the protective layer to reach the surface of the steel bar, causing the steel bar to r

In order to ensure the thickness detection accuracy of the concrete protective layer, the tester should be proficient in the performance of the instrument and the influence degree of various factors o

A radiation detector is a device that produces a secondary effect under the action of radiation, and this secondary effect can be detected by an electronic instrument.

How Does A Multi Gas Detector Work?We have summarized there steps of the multi gas detector working process for your reference!

Ultrasonic is a kind of sound wave that is beyond the hearing range of the human ear (greater than 20 kHz). In order to be able to detect such sound waves, we must use a sound wave that can capture th