Description Standard (ultrasound) screening test using suitable geological, chemical, cement, pharmaceuticals, defense, is also widely used for general inspection and superhard abrasive particle composition and size grading examination materials production research and production laboratories and other departments, the material for screening testing. Standard (ultrasound) test sieve product descriptions dedicated ultrasonic generator directly on the standard screen format, allowing you to experiment more accurate, faster, so you can replace the traditional slap-style screening test, the laboratory will not be There lovemaking noises.