K-600 portable gas detector with built-in pump is a new intelligent gas detector, which adopts an advanced integrated circuit, with standard intelligent level design technology, and proprietary digital analog hybrid communication technology. The detector is of excellent sensitivity and repeatability, which makes it very easy to use and maintain. Thus greatly meets the safety requirements of industrial sites with high reliability. The detector is made of high-strength engineering plastics, compound non-slip rubber, which is of high strength and good hand feeling. what's more, the detector is water-proof, dust-proof and explosion-proof. It is widely used in petroleum, chemical, environmental, metallurgy, refining, gas transmission and distribution, biochemical medicine, agricultural and other industries.