Introduction
True density/JW - M100A automatic opening and closing hole rate tester, using gas displacement principle. The instrument is completely introduces the American mike core technology, unique structural design, simple and generous appearance, LCD touch all-in-one all display and control, modular design, unique constant temperature device, combined with powerful software analysis technology, make the product comprehensive performance to be more perfect, test results for accuracy, precision, stability, fully imported equipment level, high cost performance.