Products or processes in industries such as aerospace, microelectronics, pharmaceuticals, medical devices, health care and food need to be produced or carried out in clean rooms. ISO 14644 Cleanrooms and associated controlled environments-Part 1: Classification of air cleanliness specifies that the

As modern urbanization continues to accelerate, air quality issues are becoming more and more of a focus of attention. At the same time, the quality testing of air filtration materials, masks, filters and other air purification products is also very important. Air quality monitoring, air filtration products testing equipment, are inseparable from the particle measuring systems. So what types of particle measuring systems can be divided into? What are their respective principles and applications? This article will introduce in detail.

Particle measuring systems can be divided into several categories according to different principles, such as photometers, optical particle counters (OPC), aerodynamic particle size spectrometers, condensation nucleus counter (CNC) and differential mobility analyzers (DMA).

Air filter is everywhere in our daily life and work, it consists of non-woven or filter paper, adhesive, metal outer frame, etc., which can purify the air. So do you know the six major application fields of air filters?1. Air Filters in ResidenceAs people's requirements for quality of life continue

In today's environment of serious air pollution, high efficiency air filters are becoming more and more widely used in both industrial fields and people's daily lives. High-efficiency air filters are the key equipment to guarantee the air quality of indoor and clean room. In order to ensure the filtration efficiency and safety performance of HEPA filters, strict testing and verification are required. How to choose the most suitable HEPA testing equipment is a problem that should not be underestimated. This article will introduce how to choose the right HEPA filter testing equipment to obtain accurate results.

As a category of air filtration products, BSF is mainly used in anesthetic machines and respiratory machines, and the importance of the product cannot be overstated. Therefore, it is necessary to test and take in charge of the quality of the product. In this article, we will introduce BSF testing from Relationship between standards, Requirements for aerosol, Particle counting method and photometric method, Test result comparison of particle counting method and photometric method etc.