The Acoustics Laboratory of ZISUN is designed by a German company and uses Denmark.Bruel&Kjaer Sound & Vibration Measurement A/S acoustic test system is constructed in strict accordance with the standards of the American Society for Testing and Materials (ASTM). The acoustic laboratory consists of two sound insulation sets, one control room and one equipment room. With an area of 600 square meters, it can test the sound insulation performance of aviation-grade sound insulation fiberglass cotton.
The FFU & Filter Comprehensive Performance Test System is jointly designed by Zisun and Shanghai Tongji University to meet the requirements of China Refrigeration and Air Conditioning Industry Association CRAA432-200X and European Standard EN779-20-02, and is designed and manufactured in strict accordance with ISO16890 and JG/T388-2012. The filter is classified strictly according to the purification efficiency of particulate matter.
The ALF-114 Air Filter Test System was developed by a German company and designed according to EN-779, ASHRAE 52.2 and ISO 16890. Put the tested air filter into the test pipeline, pass the test sample with air containing dust or aerosol.Then through the precise counting and analysis of the system, the filter efficiency, dust holding capacity, resistance curve and other indicators of the air filter can be tested.
The noise test room is built in accordance with GB/T 388-2012 "Fan Filter Unit" and GB9068-1988 National Standard of the People's Republic of China "Measurement Engineering Method for Noise and Sound Power Level of Heating Ventilation and Air Conditioning Equipment", which can be used for wind speed, power and noise. Precision detection of vibration, current, voltage, harmonics, power factor, etc.
Multi-pass Test Stand is based on ISO 19438, ISO 4548-12 and ISO 16889 testing standards, mainly used to detect hydraulic filter performance. The on-line particle counting method is used to evaluate the liquid filtration performance, the actual filtering accuracy and the amount of pollutants per unit area of tested filter media. Meanwhile, multi-pass test stand can also provide valuable data for designing filter, the correlation between flow and pressure drop per unit area of filter media, the small flow of the hydraulic filter performance and pressure drop flow characteristics of test.
TSI 3160 Scanning and CountingTest Station for filter and filter media is the most advanced instrument designed for the automatic detection of highly efficient and ultra-efficient air filters with a maximum measurable filtration efficiency of 99.999999%. The filter media is tested by monodisperse aerosol particles (12 submicron particles with different particle sizes ranging from 15 to 800nm) produced from the electrostatic classifier. The concentration of the two-way airflow is detected by the double condensed particle counter. TSI3160 scanning and counting test station can provide the valuable filtration data in the process of development and continuous quality control. Meanwhile, TSI3160 scanning and counting test station can also detect the maximum penetration particle size (MPPS) of filter media, and indicates a correlation curve of the filtration efficiency to the particle size, which shows the critical parameter to describe filter and filter media.
