Air is one of the most important environmental factors affecting health. It is almost impossible to determine the content of harmful substances without using professional instruments. To conduct air sampling, it is essential to purchase specialized equipment. Samplers or aspirators are electromechanical or pneumomechanical devices designed to analyze air composition and detect the presence of dust, impurities, and harmful compounds.
Devices that conduct air sampling, regardless of their price, utilize a single control method — aspiration. These devices perform sampling by passing the air mixture through a system of filters, where substances present in the air settle on the filter's surface. Specialists analyze the settled particles to determine air quality. Modern equipment also includes a number of additional features:
automated system for maintaining flow rate during load changes;
electronic overload protection system;
built-in moisture protection filters;
removable rotameters;
electronically counted flow meters.
Aspirators are classified into one-channel, two-channel, and four-channel units. These devices take samples from one, two, or four control zones, respectively. They operate based on a specified flow rate and time interval, pumping air through filters, air intake devices, and absorbers.
To determine the total bacteriological contamination of the air and isolate pathogenic microorganisms, specialized samplers are used. Seeding is performed through a designated opening onto a Petri dish containing a nutrient medium.
Models of laboratory equipment differ in technical characteristics, which reflect their capabilities and influence the prices of air sampling devices. Before purchasing a device, it is important to evaluate:
capacity;
the volume of pumped air per unit of time;
operating temperature range;
the indicator of permissible humidity and atmospheric pressure;
ease of use;
energy efficiency;
availability of additional functions.
Manufacturers offer personal, portable, and stationary samplers. These devices have small, medium, and large air pumping speeds through the filter. Filter elements are made from specialized materials such as cloth and fiberglass paper.
To conduct effective air sampling, it is essential to purchase reliable devices at reasonable prices. Bimedis marketplace offers a wide range of products from leading brands. The marketplace features a user-friendly interface and search engine for convenient shopping. Verified sellers and experienced managers are available to help you choose the best equipment that meets your requirements and budget.