Virus-free room and breathing air in supermarkets and pharmacies
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  3. Virus-free room and breathing air in supermarkets, DIY stores and shops

Virus-free room and breathing air in supermarkets, DIY stores and shops

Trotec high-frequency air cleaner with H14 virus filters to filter out viruses and bacteria from the room air

New infectious diseases such as influenza A/H5N1 (avian flu) or COVID-19 (coronavirus) spread all over the world in an irregular, yet continuous manner. The impacts on the diverse areas of daily life are rather drastic. Many salespersons who are not systemically relevant were forced to close their shops in times of highly infectious pandemics in order to prevent a newly-discovered virus from spreading and to reduce the numbers of infections and cases of death in the population. Meanwhile, more and more retail stores can be reopened again to certain conditions to supply customers as supermarkets and pharmacies do. Rising numbers of customers on the one hand and the ongoing risk of infection on the other makes scheduling logistics and staff planning very challenging. Moreover, disinfection and protection measures for the retail sector must be adapted to the respective hazardous situation.

TAC V+ with scientifically certified effectiveness!

Scientifically proven effectiveness: The TAC V+ offers what leading scientists require

As the only mobile air cleaner worldwide, the TAC V+ was specially designed for the purpose of virus filtration and, in this respect, has been tested for its effectiveness in the context of several scientific studies. Comprehensive studies confirm the virucidal effectiveness of the TAC V+ with its unparalleled HEPA-H14 filter system and therefore explicitly request this filter technology to ensure effective virus filtration. Learn more about the scientifically certified effectiveness of the TAC V+ ...

Airborne bacteria and viruses require additional protective measures for the retail sector

Airborne bacteria and viruses require additional protective measures for the retail sector

Scientists and physicians assume that dangerous viruses such as the coronavirus are particularly transmitted via droplets and smear infection (contact infection), which is especially caused by the respiratory tract of infected persons emitting infectious droplets of saliva upon coughing. However, more recent studies report that e.g. the SARS-CoV-2 virus can also spread in the air in form of aerosols – microscopically small particles – where these remain infectious for up to 3 hours.

This means for the retail sector that the room air must be kept clean and germ-free to a maximum – just as retail spaces, shopping trolleys, shop counters and cash zones must continuously be disinfected with spraying and wiping agents.

Separating walls only separate people, not virus-infected air

The problem of freely floating aerosols with viruses being attached to them is exactly what it is: They are floating! Separating walls, sneeze guard barriers or protective screens on shop counters do not sufficiently provide viruses from spreading in the air. Plexiglas and also protective masks for mouth and nose indeed protect from direct ‘virus drizzle rain’ caused by certain manners of speaking. However, they do not provide protection from germ-laden aerosols floating freely in the room air!

Combining the use of masks and Plexiglas is a first important approach to reduce the risk of a direct droplet infection with the SARS-CoV-2 virus. However, this measure does not protect from a far greater danger of infection – accumulations of aerosol particles floating freely in the room air!

After all, persons do not only emit large visible drops in some sort of ‘virus drizzle rain’ into the room air when they talk, cough or sneeze, but, on a much larger scale, tiniest particles called aerosols. These floating particles only have the size of a thousandth of a millimetre which makes them invisible to the naked eye. If the persons are infected, the particles are contaminated with bacteria or viruses.

Aerosol accumulations spread like billows of smoke, only invisibly

The accumulation of aerosol consists of simultaneously emitted microfine droplets, comparable to billows of smoke. The particles will spread for several metres up and far across the room which is why they overcome physical sneeze guards barriers with no problem. As a result, they can get that easily into the respiratory tract and eyes of other people staying on the other side of the Plexiglas cover.

Airborne viruses are not familiar with social distancing rules

Only an all-round solution providing direct protection via Plexiglas in combination with continuous high-frequency air purification reliably and permanently reduces the risk of infection. For this reason, don't only rely on physical barriers such as protective masks and sneeze guard barriers for protecting your employees, members or visitors. Aerosol particles in the room air don't stick to the distance rules!

The best things come in threes! That's why the formula to optimally prevent infections is: Plexiglas separator plus protective mask plus high-frequency air purification for virus filtration!

The last important component for an efficient master plan to decrease the risk of infection is to provide effective air purification in order to produce germ- and virus-free room air!

Trotec high-frequency air cleaners such as the TAC V+ are perfect to perform this task, for they efficiently and quickly reduce the intensity and time aerosol accumulations and suspended matter stay in closed rooms, creating zones with an extraordinarily reduced risk of infection for customers, guests and employees.

The air cleaner for purifying areas TAC V+ is an innovative solution for creating e.g. working areas with clean air that is free from viruses and pollutants – wherever it is needed. At the customer reception, in the call centre, in coworking spaces, in open-plan offices with many smaller working units and lacking separating walls. Besides, also in restaurants, canteens, nail care and cosmetic studios, hairdressers and gyms.

Anywhere the mobile air cleaner TAC V+ is positioned, it creates “Clean air zones”, flooded with purified air and filtered from viruses. Within these zones, the surrounding air nearly completely stays free of airborne germs and viruses because the TAC V+ is able to take in large volumes of contaminated room air and to carry out effective H14 HEPA filtration (EN 1822). Moreover, the device is able to purify the room air zone in a flexibly adjustable manner with clean air that has been freed from viruses and aerosol particles.

Professional air cleaner with H14 HEPA filter by Trotec

High-frequency air purification with H14 HEPA filter

The HEPA high-performance air filters of class H14 by Trotec are in compliance with EN 1822 (ISO 45H filter ISO 29463) and filter out more than 99.995 % of all fine suspended particles, providing a transmittance of only 0.005 %. Or in other words: No more than five of 100,000 particles are able to pass the H14 filter. Thanks to this unique feature, these kinds of high-performance filters are also used in operation theatres or comparable hygienically sensitive areas in order to produce clean air. This way, you create optimum conditions to keep room air and breathing air free from germs and viruses in supermarkets, pharmacies and chemist’s shops or other highly frequented areas with a lot of public traffic in times of spreading epidemics.

Trotec air cleaners with H14 HEPA filter: Effective against bacteria and virus accumulations

H14 HEPA filters by Trotec filter out particles larger than 0.1 µm. The filters are particularly recommend for filtering

  • bacteria (0.6 - 1.0 µm)
  • fine particulates (0.1 - 10 µm)
  • pollen (10 - 100 µm)
  • virus accumulations (0.4 - 0.5 µm)

Well-known viral strains such as SARS-CoV, MERS-CoV or Covid-19 have a particle size of 0.005 to 0.1 µm. Most of the time, they form accumulations with other particles (such as saliva or suspended matter) which increases their size up to 0.4 µm or 0.5 µm. These accumulations are referred to as germs and will be filtered out reliably by the Trotec H14 air cleaning filters.

All H14 high-performance filters by Trotec fulfil the highest quality standards that are obligatory for bacteria and virus filtration.

  • Each H14 high-performance filter is tested individually and is assigned its respective serial number
  • The test report is enclosed as certificate in duplicate with each H14 filter
  • The original test certificate can be filed with the documents for the device. If required, the copy can be attached to the air cleaning device.
  • HEPA high-performance H14 filters are tested in compliance with EN 1822 and EN 60335-2-69.

Also suitable for any TAC air cleaner with H13 filter

You can also use the new H14 high-performance filter with your TAC air cleaner if you already possess a TAC device. The H14 filters are available as an accessory, e.g. for the professional air cleaners TAC 3000, TAC 5000 or TAC 6500. Simply replace the H13 filter in the filter compartment with a H14 HEPA filter.

TAC V+ media library

The TAC V+ puts things into motion – an exceptional amount of virus-free clean air, satisfied customers and various media

In our media library for the TAC V+ you'll find some videos explaining the functional principle of the TAC V+ and its effective principle of air purification. In addition, we have compiled a large variety of different information videos describing the use of the TAC V+ in different fields of application like restaurants, supermarkets or fitness studios. Furthermore the TAC V+ media library will provide you with recommendation videos by satisfied users and with a selection of different media reports about the air cleaner TAC V+. Come and see for yourself ...

Our recommendation for virus filtration in supermarkets, shops and other interiors with high public traffic:

The TAC V+ or TES 200 Trotec air cleaners for purifying areas

The TAC V+ or TES 200 take in the virus-infected air, filtering it with the HEPA technology whereupon they transmit it back to the room air.

The vertical construction of the mobile high-frequency air cleaners TAC V+ and TES 200 serves for establishing particularly efficient “Clean air zones” with surrounding air filtered from viruses.

Setting up several devices with some distance in-between will provide areas filled with clean air serving as both passage zones or transfer or waiting zones with a low aerosol concentration.

This way, customers, cashiers and other employees in cash or passing zones, at fresh food counters or in promoting spaces are way better protected from aerosol particles and droplets that quickly spread through coughing, sneezing etc. Thanks to the high air change rate, particles and droplets are separated from the room air more quickly, and the areas are permanently being ventilated with virus-free room air which significantly reduces the infection risk in the cashier zone.

H14 special filter with thermal self-regeneration function

This air cleaning performance is made possible by a synchronous system of efficient prefiltering and final particulate air filtration, provided by the integrated H14 high-performance air filter in compliance with EN 1822 (ISO 45H filter ISO 29463) by Trotec in a special heat-resistant version.

This special filter is integrated in the devices TAC V+ and TES 200 and is heated up in intervals which will inactivate all viruses remaining in the filter, serving for a 100 % decontamination of the filter. The thermal self-regeneration function of the H14 special filter is unique in the world and exclusively available at Trotec!

TAC V+ and TES 200 are part of the same assembly and therefore provide the identical fan performance and HEPA air purification function.

Along with the HEPA air purification, the TES 200 can, however, also be used for combined room heating, thermal decontamination of rooms and surfaces and thermal pest control. The reason for this are the additionally integrated, powerful electric heating module and enhanced programming options for various air treatment scenarios.

Thanks to their combined technology of filter and decontamination techniques which are unique in the world, TAC V+ and TES 200 provide safety by reducing an airborne risk of infection in all areas with a lot of public traffic – ideally suited for supermarkets, chemist's shops, DIY stores or other stores from the retail sector.
Two TAC V+ devices for air purification in the cash zones of supermarkets
Example ‘supermarket’: By positioning the TAC V+ in rows in the cash zones, transfer zones can be established for both customers and cashiers, providing surrounding air that is filtered from viruses. By permanently circulating the respective areas with filtered air, the risk of infection significantly decreases in these zones.
Application scenario of the TAC V+ in a supermarket

This is how you achieve maximum protection against an indirect infection:

The better the optimum airflow, the larger the room volume and the higher the air circulation and therefore the circulation rate, the lower is the concentration of aerosols in the room air, which also reduces the risk of infection.

The number of air circulations at the same time determines the operating range of each individual high-performance air cleaner and thus also determines the safety level within the room.

Since even with an increased circulation rate, room air can never achieve a completely virus-free state if the room contains infected persons – you can merely establish a mixture of filtered air and permanently generated virus-carrying aerosols.

Therefore the following applies: The higher the circulation rate and the more filtered air per person is generated, the more the virus concentration in the room air is diluted. This results in a decreasing risk of indirect infections.

Air change recommendations for different rooms

Why commercially available HEPA air cleaners are not sufficient for virus filtration in most cases

Large clean air capacity – high-performance filtration – filter decontamination – filter regeneration – noise level in the case of a large air volume – versatility

Well thought out to a detailed level, unparalleled in its entirety: With these 6 plus points, the TAC V+ – as is scientifically proven in several studies – ensures a technically effective and economically attractive solution to reduce the risk of infection by aerosols in closed rooms.

Stable design, flexible installation Virus protection on the spot

Large clean air capacity, high flow pressure and an optimum flow geometry

Only the TAC V+ has "the power to quickly dilute the room air"

Time is the most important factor when it comes to reducing the risk of an indirect infection. And we're talking about the shortest time possible for quickly and effectively diluting the infectious aerosol accumulations that are for example generated by a super-spreader, directly at their source. This requires large volumes of clean air and a high fan performance to establish an optimized flow geometry.

All this is provided by the TAC V+: With a large clean air volume, an optimum flow geometry and a flow pressure that is more than high enough, circulation is established in the room within a very short time, ensuring that all the contaminated room air is diluted and effectively filtered within only a few minutes.

Only circulation rates that are sufficiently high minimize the risk of infection, this is scientifically proven. Where the effective treatment of the risks of infection by aerosol particles is concerned, a high air circulation rate (at least a factor of 6 or even more, if possible) and therefore a large volume of cleaned air are indispensable, despite promises to the contrary made by other providers advertising single to threefold air change rates per hour as sufficient.

As is proven by scientific studies, effective virus filtration requires a sufficiently dimensioned volumetric flow so as to ensure that the air cleaner can provide for the number of air changes required as is guaranteed by the TAC V+. In this context, "air change" does not refer to a complete exchange of the air, but to the proportion of virus-filtered clean air that is supplied, relating to the room volume per hour.

FlowMatic ensures constant air circulation rates even with increasing filter pollution

In order to comply with the circulation rate required by the hygiene concept, a constant volumetric flow throughout the whole operating lifetime is indispensable. However, the filter elements of every air cleaner are successively clogged over time by coarse and fine dust (e.g. caused by traffic load). This leads to an increasing counter-pressure combined with a strongly decreasing air flow rate, inevitably reducing the level of protection envisaged.

With the innovative FlowMatic control of the TAC V+ You no longer have to worry about a decreasing volumetric flow or circulation rates that fall below the values required.

Just like with the cruise control of your car, the FlowMatic sensors capture the actual air flow rate values within the entire filter ladder and consecutively adapt the system performance dynamically. In this way, the air volume target value once preset remains constant in every situation! This not only increases the filter lifetime and system efficiency, but also guarantees compliance with the circulation rate required by the corresponding hygiene concept.

Air cleaners without a FlowMatic control are unlikely to constantly and reliably meet the requirements so as to comply with the circulation rate required.

High-performance filtration: H14 means maximum HEPA filter efficiency

The TAC V+ can "effectively separate" viruses

Heat-resistant H14 HEPA high-performance filter

Exclusively H14-HEPA high-performance filters complying with EN 1822 specifications (ISO 45H filter ISO 29463) like they are used in the TAC V+ are able to even filter the tiny virus-infected aerosol particles (0.1 - 0.2 µm) from the room air, and this at a percentage of 99.995 %. Therefore the filter efficiency of H14 HEPA filters complying with EN 1822 is 10 times higher than that of H13 HEPA filters with 99.95 %, as used in most air cleaners!

99.995 % or 99.95 %? This may not sound like a lot, but exactly these two decimal places make the big difference between H13 and H14 HEPA filters! Virus-carrying aerosol particles are extremely tiny. And "virus filters" are designed to "filter viruses". That's why the TAC V+ not only filters the large, but also the small-sized, highly infectious aerosols from the room air not even filtered out by FFP2 and FFP3 respiratory masks, which therefore don't offer genuine protection. Real safety is exclusively provided by an H14 HEPA filter (EN 1822)!

Scientific studies, however, qualify that a filter performance beneficial to the decay rate pursued can only be confirmed if the volume flow of the air cleaner and the flow speed in the particulate air filter are sufficiently attuned to one another by an adequately dimensioned filter surface, a property which at present cannot be achieved with any other mobile air cleaner than the TAC V+!

Thermal filter decontamination – your safety airbag

Unique technology – Trotec exclusive

The thermography image illustrates this: In the process of thermal decontamination the heat-resistant H14 virus filter of the TAC V+ is heated to approx. 100 °C, destroying all bound viruses and bacteria.
Fully encapsulated H14 high-temperature particulate air filter, equipped with heat-conducting metal lamellae

Only with the TAC V+ and TES 200 the special, fully encapsulated H14 high-temperature lamellae high-efficiency particulate air filter is treated thermally and heated to approx. 100 °C at regular intervals. Explicitly for this purpose, this filter has been developed and interspersed with special, heat conducting metal fins.

This thermal filter decontamination technology is available exclusively at Trotec and offers you several unique benefits at the same time! By heating the filters, the proteins of the viruses filtered out, which are relevant to the infectiousness, are denatured, and the viruses are practically destroyed. Therefore infectious viruses can no longer enter the ambient air from the filter, for example by improper handling Furthermore, bacteria, germs and other microorganisms are additionally destroyed.

All this means that 100 % employee protection can be ensured during operation and also when the filter is changed! You could say, it's the "virus airbag" that provides for more safety. It is there when you need it – and as long as nothing happens, you won't even notice it.

Scientific studies substantiate the mandatory prerequisite of thermal filter decontamination to ensure effective virus filtration. In fact, Professor Christian Kähler explicitly points out this mandatory provision in his study: "To ensure a maximum degree of hygiene and a longer lifetime in continuous operation, the H14 filter should be heated to approx. 100 °C every day for about 15 minutes, in order to destroy the viruses in the filter and prevent the formation of biofilms, bacteria and fungi without using harmful chemical additives or UV-C radiation."

Thermal filter regeneration – for optimum filter hygiene and a prolonged filter lifetime

No filter humidity, no filter mould or odour, and at the same time a much longer filter lifetime

Thermal filter decontamination and thermal filter regeneration

Aerosol separators and virus air cleaners take effect where many people are present in narrow spaces over a longer time and exhale larger quantities of aerosols. Aerosols, whether virus-carrying or not, for the greater part consist of micro droplets – pure water, that is. Customary H14 filters may be able to "catch" these humid aerosols, however, they also catch additional problems. Since the increasing humidity in the filter causes it to start fouling more quickly. As a result, the filter resistance increases, constantly reducing the clean air volume emitted and thus significantly reducing the filter lifetime. The fast fouling of filters at high loads of aerosols has been scientifically proven by field tests.

Moreover, the constantly high level of humidity favours the formation of filter mould or biofilms. Instead of eliminating a hazard, others may therefore be created. For example, a decreasing flow rate, shorter filter lifetimes and mould on the filter. But since the filter is heated to more than 100 °C at regular intervals, the ingress of moisture, fast sooting and filter mould are not a problem with the TAC V+. Since the humidity is fully discharged again in the course of the thermal regeneration cycle, not only drying the filter at regular intervals, but additionally regenerating it again via its self-cleaning function.

With this innovative procedure the filter resistance remains low and the clean air flow remains at a constantly high level for a considerably longer time. Consequently the lifetime is much longer than that of other filter systems without thermal regeneration and decontamination. This is also confirmed by current studies, which sum up as follows in the context of an examination of the TAC V+ and its H14 filter which complies with the specifications of EN 1822 (ISO 45H filter ISO 29463) and which features a self-cleaning function: "Therefore it is to be expected that this filter can have a lifetime of several years, depending on the load."

Low-noise: Hard to believe, hardly to be heard

The TAC V+ is an an air cleaning revolution of the silent kind

Sound protection hood to ensure silent operation

The task of qualified high-performance air purifiers is to make the utilization of interior spaces possible again – and not to make it more difficult! Nevertheless, without large volumes of clean air, the risk of infection cannot be minimized!

When aerosol particles are separated or viruses and bacteria are filtered out, high air circulation rates between 6 and 8 per hour are required, and in the medical sector even 12- to 15-fold air circulation rates per hour. Without these large air circulation rates, spontaneously occurring aerosol clouds cannot be reliably and quickly diluted and filtered out.

Therefore, even in smaller rooms of 45 m² you already need amounts of clean air from 700 m³ to 1,500 m³, which requires a fan with a correspondingly high ventilation power. In particular to establish an optimum air flow and air routing in the room. In addition to the flow geometry, filter efficiency and long filter lifetimes, however, an acceptable noise level, in spite of the large air volumes and the high fan performance, is desirable.

This is why one of the top priorities in the design of the TAC V+ was a low noise emission

For noise sensitive areas such as schools, offices or medical practices we recommend using the optional sound protection hood by means of which the sound level experienced subjectively can be again reduced by more than 50 %! In workshops, packing stations or discotheques, etc. the use of the sound protection hood usually is not required.

With an optional H14-Ultra-Highflow filter and an installed sound protection hood, the TAC V+ for example merely generates approx. 45 dB at level 3 with a clean air flow rate of 1,000 m³/h. For comparison: A customary laser printer already generates a sound level of approx. 50 dB during operation.

The TAC V+ is flexible, mobile and can be used everywhere at any time

The extremely stable, robust and scratch-resistant metal housing was specially designed for the use in environments where many people come together, work, play, learn or celebrate. This makes it possible to use the TAC V+ everywhere it's needed without any installation effort.

Flexible, mobile and modular – the exact number of TAC V+ devices required by the hygiene concept can be provided in each case. Variably adapted to the staff density, security level, type of application, background noise, room size and room geometry. The optionally available hose adapter makes it possible to also connect the TAC V+ to existing air distribution systems.

Where the effective control of infection risks due to aerosol particles is concerned, high circulation rates and therefore large and flexibly adjustable volumes of clean air are indispensable, despite promises to the contrary made by other providers who advertise single to threefold circulation rates per hour as sufficient.

To meet these requirements, the virus air cleaner not only has to be able to provide corresponding volumes of clean air, but it must also be flexibly placeable directly in potential hazard zones to ensure effective air routing. The TAC V+ is also optionally available in a tamper-proof version for the use in schools or daycare centres.

Scientifically proven: Only sufficiently high air change rates and proper positioning of the devices with respect to the air flow and routing provide a sufficient level of protection against an infection risk.

Well thought out to the detail, unparalleled in its entirety – the six benefits of the TAC V+ at a glance:

  1. Large clean air capacity: Up to 2,200 m³/h of virus-filtered clean air with a high flow pressure for optimum air circulation and high air circulation rates
  2. High-performance filtration: Fully encapsulated H14 lamellae high-temperature filter “made in Germany” with a flow-adapted filter surface for virus-filtered room air
  3. Thermal filter decontamination: 100 °C for 100 % inactivation of viruses, bacteria and other microorganisms, for maximum filter hygiene and longer lifetimes in continuous operation!
  1. Thermal filter regeneration: 100 °C for 100 % evaporation of the aerosols; self-cleaning function of the filter, low filter resistance, constantly high clean air volume, exceptionally long lifetime, no filter mould
  2. Background noise: The most silent high-performance air purifier in relation to the air flow rate / device size
  3. Versatility: Flexible, suitable for mobile and stationary application, “Plug & Play” for the connection to existing air distribution systems, modularly expandable

TAC V+ with scientifically certified effectiveness!

Scientifically proven effectiveness: The TAC V+ offers what leading scientists require

As the only mobile air cleaner worldwide, the TAC V+ was specially designed for the purpose of virus filtration and, in this respect, has been tested for its effectiveness in the context of several scientific studies. Comprehensive studies confirm the virucidal effectiveness of the TAC V+ with its unparalleled HEPA-H14 filter system and therefore explicitly request this filter technology to ensure effective virus filtration. Learn more about the scientifically certified effectiveness of the TAC V+ ...

Air cleaner FAQ for virus filtration

Learn more about the technical possibilities of virus air filtration

You want to know which technical aids offer effective protection against viruses in the room air? Do you have any questions with regard to the different cleaning methods offered on the market, their functional principle and their suitability for virus filtration? Visit our air cleaner-FAQ for virus filtration – Here you'll find answers to all of your questions with regard to air purification, virus filtration, standards as well as filter classes and of course the high-performance air purifier TAC V+ ...

Optionally also available in further colours

In addition to the standard yellow paint, the TAC V+ is optionally painted in basalt gray, white or bronze and can also be ordered as a stainless steel version.

Optionally also available in further colours

Whether for sale or for rent: Trotec offers the right air cleaners

Whether you like to rent a high-frequency air cleaner on a short-term basis or whether you prefer buying it to benefit from a long-term use – at Trotec, devices and respective filters are always available from stock. Our expert consultants are also happy to advise you with regard to integrate your device into your AC system.

Purchasing a device: If you have any questions, please contact us via email: or give us a call at +49 2452 962-400. Renting a device: Please contact our TKL hiring centre directly – by email: or under +49 2452 962-160.

Trotec solutions do not only allow you to generate clean and purified air, but also make the quality of the room air visible!

Triple indicator for healthy room air: Our BQ air quality measuring devices indicate all important values

Particle measuring device BQ30 for air quality monitoring

The Air quality monitor BQ30 should not be missing on any teacher's desk or in any open-plan office because this environmental monitoring station shows you the most important values for healthy room air at a glance: In addition to the current CO2 load and the prevailing climate data and the particulate matter pollution in particle size PM2.5 or PM10 are shown to you.

The CO2 pollution is an important indicator of required ventilation measures and the fine dust particle sizes determined also include pollen, a helpful feature to monitor the air quality for allergy sufferers! In rooms with a large number of persons, CO2 Traffic lights can serve as a means for rough-orientation to indicate whether the air quality is good or poor, as carbon dioxide (CO2) is a reliable indicator of an air change.

In addition to the BQ30 Trotec's range of products includes further professional particle counters such as the PC200 or the PC220. Our particle counters cannot only be used for inspecting the air quality, but to test filter systems as well, for example.

Note: Neither the degree of air pollution caused by particulate matter of the particle size PM2.5 nor the CO2 pollution in the room tells you anything about the infection risk! None of the two values are a measurand of the risk of infection, since there is no correlation between CO2 or PM2.5 concentration and viral load. Learn more about this subject area and several others with regard to virus filtration, filter classes, filter standards and other important operating figures – summarized in our air cleaner-FAQ for virus filtration ...

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