A particle counter (cleanliness tester) is a precision device used to detect the concentration of airborne dust particles in clean and dust-free environments. It measures particle size, quantity, condition, and cleanliness level, and can continuously or periodically monitor the particle size and quantity distribution in the monitored air environment in real-time.
Particle counter operation method:
Different models of particle counters may have some differences in terms of functionality and user interface, but the basic operating steps are similar.
01 Turn on the power for preheating.
02 Set working parameters, if they do not need to be changed as last time, they can be skipped. Please refer to the product
introduction of each instrument for specific button operations. Note that the settings are invalid in the sampling state.
03 After the settings are completed, sampling and measurement can begin, and data can be read.
04 Connect the printer and export the data for printing (some products with built-in printers can print directly).
Calibration and maintenance of particle counters:
periodic calibration
According to the requirements of JJF1190-2008 "Calibration Specification for Dust Particle Counter", it is necessary to
regularly calibrate the instrument at the National Air Conditioning Equipment Quality Supervision and Inspection
Center or the Building Energy and Environmental Testing Center of the China Academy of Building Research every
year, and adjust all aspects of the instrument according to the statutory calibration certificate issued by them to
obtain the best working condition.
Air pressure and temperature
The working position of the instrument and the inlet of the sampling tube should be at the same pressure and
temperature to avoid affecting the operation of the gas path system and causing condensation and damage to
the optical system. If it is necessary to work under pressure difference, the maximum pressure difference should
ot exceed 200Pa. Working under pressure difference and temperature conditions will increase measurement
errors and even damage the instrument.
Strengthen support efforts
When handling instruments, they should be handled gently, with minimal vibration, and preferably placed in a dedicated box.
Application areas of particle counters:
Particle counters play a significant role in maintaining a clean environment and are widely used in various industries such as
electronics, optoelectronics, batteries, new energy, automobiles, precision instruments, biology, medicine, pharmaceuticals,
optics, food, hospitals, cosmetics, chemicals, plastics, as well as in clean rooms, sterile laboratories, cleanrooms, and
research laboratories.
As an important component of Lifetech's 150 project departments, the Life Science Project Department will continue to
provide professional support for industries such as biotechnology and pharmaceutical manufacturing, and contribute
to building a healthier, safer, and more sustainable society.
