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Mask Tester

 

When Coronavirus (covid-19) pandemic started around the world, hundreds and thousands people were infected, and some of them died from this virus.

The wearing of face masks during the 2019-20 coronavirus pandemic has received varying recommendations from different public health agencies and governments.

More and more people wear mask when they go out for shopping or working.

How to check the quality of mask?

And which type of mask tester or mask filter test machine are necessary for mask testing?

We will make a short introduction on this topic about mask tester. Mask tester is called Face mask tester or Respirator mask tester, someone call it mask filter test machine.

They are a series of different mask tester for various measurement.

How many types of marks may be helpful while Coronavirus comes?
Types of face masks, from least to most protective, include cloth facemasks, medical masks, surgical masks (non-surgical type, it is disposable mask), and filtering face-piece respirators such as N95 masks and FFP masks (filtering face-piece particle masks, also called respiratory protection masks ).
Most of the citizen people wear disposable mask, N95 is very critical issue to protect doctors and nurses to anti-virus.

Which type of test should be conducted on these masks?
Respiratory protective device EN143-2000, this code is really very popular for mask tester.
Medical face masks-test method for resistance against penetration by synthetic blood ISO 22609-2004
Respiratory protection-non-powered air-purifying particle respirator GB2626-2019, this is a latest Chinese standard, it is also for mask tester or other filter material tester

How to check the quality of mask?
In mask testing and quality control process, EN 143 & GB2626, these two standards are very critical. In this test, mask tester is one type of filter material tester. After a test, two results will be displayed in the report, such as particle penetration value (efficiency) and air flow resistance
The operation of mask tester is simple, highly automated. The operator, places a filter or mask on the lower half of the filter holder. The test is initiated by pressing the dual start buttons. A pneumatic cylinder quickly lowers the top half of the mask or filter holder and aerosol is passed through the mask or filter. Two light-scattering laser photometers simultaneously measure the upstream and downstream aerosol concentration levels at a constant flow that is reported with the flow meter.
Some mask tester or filter material tester use only one optical particle counter (OPC), if so, operator has to conduct two times of test, with sample or without sample, then compare the result to get test report.
In Msi machine or our machine TF140, we all use two laser photometers,The particle penetration value is determined from the ratio of these two readings. By using two laser photometers, instead of one, measurement cycle time is reduced and measurement accuracy is increased. A highly accurate electronic pressure transducer determines filter resistance. Pressure transducer and photometer readings are taken between every test to determine the new pressure offset and photometer background values. When the test is complete, the filter holder opens automatically. All test data is displayed and available for printer or serial output.

Are there any other mask testers which may be applicable for medical mask?
Mask fitting tester or Respirator fit tester is also one type of medical mask tester.
This tester counts the number of dust particles outside and inside the mask, and obtains the penetration rate (leakage rate %) of dust into the mask.
The tester uses the dust floating in the room or sodium chloride particles generated by a particle generator (option) as test particles.

Who is the supplier of these mask tester and how about the price of them?
For filter material tester, as a basic and critical mask tester, in America, TSI & ATI are the manufacturer, the price is approximate USD100,000 without customs duty depending on different model.
SIBATA is another supplier from Japan, we are not sure of its price.
In China, Totally there are 2-3 manufacturers, the price from USD25,000-55,000, we think the requirement of these type of mask tester are increased due to coronavirus pandemic, some other potential maker would start to make this type of machines.
Anyway, when you plan to order these types of mask tester, please confirm from your supplier which type of senor they are using to determine the penetration value, by OPC or by photometer, one sensor or dual sensors. It may cause price increased. Sometimes, the higher price leads to better or best performance.

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Mask Tester

 

When Coronavirus (covid-19) pandemic started around the world, hundreds and thousands people were infected, and some of them died from this virus.

The wearing of face masks during the 2019-20 coronavirus pandemic has received varying recommendations from different public health agencies and governments.

More and more people wear mask when they go out for shopping or working.

How to check the quality of mask?

And which type of mask tester or mask filter test machine are necessary for mask testing?

We will make a short introduction on this topic about mask tester. Mask tester is called Face mask tester or Respirator mask tester, someone call it mask filter test machine.

They are a series of different mask tester for various measurement.

How many types of marks may be helpful while Coronavirus comes?
Types of face masks, from least to most protective, include cloth facemasks, medical masks, surgical masks (non-surgical type, it is disposable mask), and filtering face-piece respirators such as N95 masks and FFP masks (filtering face-piece particle masks, also called respiratory protection masks ).
Most of the citizen people wear disposable mask, N95 is very critical issue to protect doctors and nurses to anti-virus.

Which type of test should be conducted on these masks?
Respiratory protective device EN143-2000, this code is really very popular for mask tester.
Medical face masks-test method for resistance against penetration by synthetic blood ISO 22609-2004
Respiratory protection-non-powered air-purifying particle respirator GB2626-2019, this is a latest Chinese standard, it is also for mask tester or other filter material tester

How to check the quality of mask?
In mask testing and quality control process, EN 143 & GB2626, these two standards are very critical. In this test, mask tester is one type of filter material tester. After a test, two results will be displayed in the report, such as particle penetration value (efficiency) and air flow resistance
The operation of mask tester is simple, highly automated. The operator, places a filter or mask on the lower half of the filter holder. The test is initiated by pressing the dual start buttons. A pneumatic cylinder quickly lowers the top half of the mask or filter holder and aerosol is passed through the mask or filter. Two light-scattering laser photometers simultaneously measure the upstream and downstream aerosol concentration levels at a constant flow that is reported with the flow meter.
Some mask tester or filter material tester use only one optical particle counter (OPC), if so, operator has to conduct two times of test, with sample or without sample, then compare the result to get test report.
In Msi machine or our machine TF140, we all use two laser photometers,The particle penetration value is determined from the ratio of these two readings. By using two laser photometers, instead of one, measurement cycle time is reduced and measurement accuracy is increased. A highly accurate electronic pressure transducer determines filter resistance. Pressure transducer and photometer readings are taken between every test to determine the new pressure offset and photometer background values. When the test is complete, the filter holder opens automatically. All test data is displayed and available for printer or serial output.

Are there any other mask testers which may be applicable for medical mask?
Mask fitting tester or Respirator fit tester is also one type of medical mask tester.
This tester counts the number of dust particles outside and inside the mask, and obtains the penetration rate (leakage rate %) of dust into the mask.
The tester uses the dust floating in the room or sodium chloride particles generated by a particle generator (option) as test particles.

Who is the supplier of these mask tester and how about the price of them?
For filter material tester, as a basic and critical mask tester, in America, TSI & ATI are the manufacturer, the price is approximate USD100,000 without customs duty depending on different model.
SIBATA is another supplier from Japan, we are not sure of its price.
In China, Totally there are 2-3 manufacturers, the price from USD25,000-55,000, we think the requirement of these type of mask tester are increased due to coronavirus pandemic, some other potential maker would start to make this type of machines.
Anyway, when you plan to order these types of mask tester, please confirm from your supplier which type of senor they are using to determine the penetration value, by OPC or by photometer, one sensor or dual sensors. It may cause price increased. Sometimes, the higher price leads to better or best performance.

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