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Handheld dust particle counters are used in the medical industry in highly sensitive health care facility environments where both contagious and highly susceptible patients are being treated, so reducing the potential for infection and disease transmission is critical
.
Failure to properly monitor and manage indoor air quality increases costs due to prolonged hospital stays, imposes responsibilities on healthcare providers, and, more importantly, creates unnecessary risks for patients and healthcare workers
.
1.
Indoor Air Quality (IAQ) Problems in Healthcare Facilities Infectious pathogens such as rubella (measles) and influenza generated by personnel inside the facility, pathogens commonly found in the human environment, may compromise patients with compromised immune systems
.
Such organisms include Aspergillus fumigatus, a common mold, among others
.
When a problem occurs, particle counters can help hospital staff and industrial hygiene technicians detect increases in particle concentrations, determine the root cause, and verify the effectiveness of remedial measures
.
How to "visualize" the particles? In order to control the movement and spread of infectious pathogens, institutional designers and managers have established two special ventilation spaces: AII - Airborne Infection Isolation/Patient Isolation Room PE - Protective Environment Facilities 2.
Handheld Dust Particle Counters in Applications in the medical industry When a particle counter works, a pump draws a known volume of air sample through a laser beam, typically one liter
.
When dust particles in the air pass through the laser beam, each particle reflects or "scatters" the laser light
.
Photodetectors detect scattered light and generate analog electrical signals
.
Larger particles scatter more light, creating a "shock" of high-voltage electrons
.
Built-in electronic circuitry tracks the impact and counts 6 particle sizes ranging from 0.
3µm to 10µm
.
Particles larger than 10 μm generally settle out of the air
.
The smallest particle visible to the human eye has a diameter of 50 μm, and in the environment we live in, there are more bacteria and viruses that cannot be distinguished by the naked eye
.
Common viruses (fungi) include Escherichia coli, Staphylococcus aureus, and Candida albicans.
Their diameters are different.
It is difficult to capture and count them at the same time
.
The handheld dust particle counter has multiple channels and can capture particles of 0.
3 to 10 μm at a time
.
3.
Dust particle counters can help medical facility managers: · Establish a baseline of particle concentration in a specific space
.
• Detects whether dust particle concentration levels deviate from baseline or are at "normal" levels
.
· Early detection of potential hazards, such as changes in operating procedures, equipment failures, lack of maintenance, or poor isolation of construction areas from patient areas
.
• Measure particle concentrations after retrofit to ensure the effectiveness of remedial measures
.
4.
Pollution testing with dust particle counters Particle sampling (i.
e.
total number and size range of particles) is a practical method for evaluating the infection control performance of HVAC (heating, ventilation and air conditioning) systems, focusing on the evaluation of filter removal of airborne respirable particles (diameter < 5 μm) or larger particles
.
.
Failure to properly monitor and manage indoor air quality increases costs due to prolonged hospital stays, imposes responsibilities on healthcare providers, and, more importantly, creates unnecessary risks for patients and healthcare workers
.
1.
Indoor Air Quality (IAQ) Problems in Healthcare Facilities Infectious pathogens such as rubella (measles) and influenza generated by personnel inside the facility, pathogens commonly found in the human environment, may compromise patients with compromised immune systems
.
Such organisms include Aspergillus fumigatus, a common mold, among others
.
When a problem occurs, particle counters can help hospital staff and industrial hygiene technicians detect increases in particle concentrations, determine the root cause, and verify the effectiveness of remedial measures
.
How to "visualize" the particles? In order to control the movement and spread of infectious pathogens, institutional designers and managers have established two special ventilation spaces: AII - Airborne Infection Isolation/Patient Isolation Room PE - Protective Environment Facilities 2.
Handheld Dust Particle Counters in Applications in the medical industry When a particle counter works, a pump draws a known volume of air sample through a laser beam, typically one liter
.
When dust particles in the air pass through the laser beam, each particle reflects or "scatters" the laser light
.
Photodetectors detect scattered light and generate analog electrical signals
.
Larger particles scatter more light, creating a "shock" of high-voltage electrons
.
Built-in electronic circuitry tracks the impact and counts 6 particle sizes ranging from 0.
3µm to 10µm
.
Particles larger than 10 μm generally settle out of the air
.
The smallest particle visible to the human eye has a diameter of 50 μm, and in the environment we live in, there are more bacteria and viruses that cannot be distinguished by the naked eye
.
Common viruses (fungi) include Escherichia coli, Staphylococcus aureus, and Candida albicans.
Their diameters are different.
It is difficult to capture and count them at the same time
.
The handheld dust particle counter has multiple channels and can capture particles of 0.
3 to 10 μm at a time
.
3.
Dust particle counters can help medical facility managers: · Establish a baseline of particle concentration in a specific space
.
• Detects whether dust particle concentration levels deviate from baseline or are at "normal" levels
.
· Early detection of potential hazards, such as changes in operating procedures, equipment failures, lack of maintenance, or poor isolation of construction areas from patient areas
.
• Measure particle concentrations after retrofit to ensure the effectiveness of remedial measures
.
4.
Pollution testing with dust particle counters Particle sampling (i.
e.
total number and size range of particles) is a practical method for evaluating the infection control performance of HVAC (heating, ventilation and air conditioning) systems, focusing on the evaluation of filter removal of airborne respirable particles (diameter < 5 μm) or larger particles
.
