DL3 Intelligent Particle Strength Tester is an intelligent measuring instrument. It is a new generation product launched after the DLII Intelligent Particle Strength Tester. Its circuit principle and structure have been greatly improved, and the function of the whole machine has been further improved. It can be widely used in the determination of the crushing strength of spherical, strip, and columnar rigid materials such as catalysts, molecular sieves, fertilizers, activated carbon, aluminum phosphide, alumina, adsorbents, etc. in the chemical, pharmaceutical, and petroleum industries. It is a comprehensive product of the combination of microcomputer technology, electronic technology, and mechanical technology.