1、Product introduction

Sound isolation measurement mainly measures the sound pressure level difference between the sound chamber and the sound chamber at different center frequencies.

According to the different transmission channels, it can be divided into: A. B. sound insulation measurement of floor slab impact.

2、standard of execution

GB/T50121-2005《Rating standard of sound insulation in buildings》

GB/T19889

3、Main technical parameters

Part 1: laboratory test facility requirements for suppression of lateral transmission;

Part 2: determination, validation and application of data precision;

Part 3: laboratory measurement of air acoustic insulation of building elements;

Part 4: field measurement of air sound insulation between rooms;

Part 5: field measurement of external wall components and external wall air insulation;

Part 6: laboratory measurement of floor slab sound insulation;

Part 7: field measurement of floor slab sound insulation;

Part 8: laboratory measurement of sound improvement of heavy standard floor cladding; Part 9: laboratory measurement of air insulation between two Chambers communicating above the ceiling part 10: laboratory measurement of air insulation of small building elements