This series machines are applicable for the physical property test of building outer windows, such as air tightness, water tightness and wind resistance test. It conforms to ASTM, TCVN, GBT....test methods…
Measures frequency and the quality of resonance (FWHM or bandwidth or dissipation)Fundamental frequency and overtones are measured (up to the 13th overtone at 5MHzcrystals)Temperature control from 4°C…
