Floating air dust and bacteria sampler: detecting microorganisms in clean environments

The airborne dust and bacteria sampler is an efficient microbial detection device designed based on the principle of particle impact and isokinetic sampling theory, specifically tailored for clean environments such as pharmaceuticals, healthcare, and food processing. It accurately captures suspended microbial particles in the air through a porous inhalation structure, combined with dynamic rehydration technology, significantly shortens the microbial cultivation period, and quickly obtains detection results. This device adopts a modular design, consisting of a sampling module (including aviation aluminum sampling port and air pump) and a control module (integrating touch screen operation, data storage, and power system), which combines high efficiency and portability, making it an ideal tool for clean room environmental monitoring.

Core technical principles

The particle impact and constant velocity sampling equipment forms a high-speed airflow (12m/s) through 397 micropores, synchronizing the bacterial containing air with the clean room wind speed at a flow rate of 0.35-0.4m/s, ensuring that microbial particles adhere to the agar surface in a vertical impact manner and avoiding sampling deviation caused by flow rate differences.

The live microorganisms collected by dynamic rehydration technology undergo kinetic rehydration during the cultivation process, accelerating colony growth, significantly reducing traditional cultivation time, and improving detection efficiency.

Core advantages and functions

Intelligent operation

3.5-inch color touch screen: intuitively displays parameters such as sampling amount and time, and supports switching between Chinese and English interfaces.

Data management: It can store multiple sets of sampling data (up to 9999L adjustable), support thermal printing and USB export to the upper computer software for easy historical traceability.

Efficiency and durability

High flow design: 100L/min ± 5% constant current sampling, in compliance with JJF (Meng) 125-2025 calibration specifications, with 8-hour continuous operation capability (built-in 6000mAh lithium battery).

Aviation aluminum material: The surface of the sampling port is treated with closed pores, resistant to high temperature sterilization, compatible with standard diameter 90mm × 15mm culture dishes, and easy to replace.

Multi scenario adaptation supports AC/DC power supply, suitable for complex environments such as pharmaceutical workshops, operating rooms, laboratories, etc., meeting international standards such as GMP and ISO14698.

Application scenarios

Pharmaceutical industry: Monitor microbial contamination in sterile workshops and biosafety laboratories to ensure drug production compliance.

Healthcare: Evaluate the air quality in operating rooms, ICUs, and other areas to prevent cross infection.

Food processing: Control the microbial concentration in the packaging workshop to ensure food safety.

Research and Environmental Protection: Study the distribution pattern of air microorganisms and evaluate the effectiveness of pollution control.

Compliance and Standards

GB/T16293-2010: National standard for testing airborne bacteria in clean rooms of the pharmaceutical industry.

ISO14698-1/2: International Cleanroom Biocontamination Control Specification.

GMP: Quality Management System Requirements for Drug and Food Production.

Suggestions for operating standards

Preparation before sampling: Ensure that the clean room temperature and humidity meet the standard, disinfect the equipment, and calibrate the flow rate.

Sampling execution: Avoid approaching sources of airflow interference, start the equipment according to standard procedures, and record data.

Maintenance: Regularly clean sampling holes, calibrate flow meters, and replace sterilization components to extend their lifespan.

The airborne dust and bacteria sampler, with its precision, intelligence, and multi scenario applicability, has become the core equipment for modern clean environment monitoring. By strictly adhering to international standards and technological innovation, this equipment provides reliable technical support for improving product quality and ensuring public health safety.

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