Recently, under the influence of PM2.5 fine aerosols and pollutants emitted from various industrial areas, the sky has gradually been covered with a gray veil. It has become a luxury to avoid breathing fresh air in the future. Both the technology industry and the industry have actively devoted themselves to investing in the development of gas sensing technology in order to monitor the status of air pollution at any time and place, and then implement contingency measures in real time to ensure their own health and personal safety.
PM2.5 refers to particulate airborne particles with aerodynamic size equal to or less than 2.5 microns (μm) in the air. The formation can be classified into primary and derivative forms. There are solid and liquid forms in the air, and the former is mainly composed of carbon. , Sulfur oxides, Nitrogen oxides, Ammonia, VOCs (fixed sources of volatile organic compounds), among which VCOs are considered to be the main trace chemical components that lead to poor indoor air quality, and related organic compounds are likely to cause chronic, long-term human health. Adverse effects, throat/eye irritation, dizziness, headache, and burnout, and prolonged exposure to VOCs (such as formaldehyde) are more likely to injure the nervous system, contribute to cancer development, and increase toxin accumulation in the liver and kidney.
On the whole, the sources of environmental pollution in VOCs can be said to be ubiquitous, and they are mostly present in the environment around colorless and odorless, causing people to inadvertently inhale without knowing it. In addition to building materials, cleaning products, furniture attached adhesives, carpet dust mounds, and flooring materials that are found throughout the home, plant and automotive equipment and engines/engines, often conceal many emission sources such as combustibles and oxides. Hydrocarbons. What's more, including the office where people go to work every day, and the PCs and multifunction machines they place on them, also contain many toxic substances such as benzene, styrene, and carbonic acid. Once they inhale too many VOCs, they will obviously Affects the human body's metabolism, leading to high cholesterol, abnormal liver function, and chronic diseases such as diabetes. The toxic gases that are evacuated by the alveoli often stay in the lungs for long periods of time or even leak into the respiratory system, causing permanent damage to the human body. .
The potential threat to human health caused by environmental pollution has also led to the emergence of gas sensors that monitor the concentration of various chemical components. It is hoped that effective monitoring of various toxic substances will be carried out so that people can receive and implement various preventive measures as soon as possible.
At present, Shenzhen Gongcai Network Technology Co., Ltd. specializes in providing PM2.5 and VOCs sensors, widely used in civil and industrial, specific products are as follows:
PM2.5 sensor (civil) PDSM010 features:
* Customized sensitivity for effective control in the application
* Detects particles of about 1 um
* MCU control ( factory calibration )
* Easy to maintain
* PWM output ( low logic pulse activation )
* Noise protection
Characteristics of PM2.5 Sensor (Industrial Applications) OPC-N2:
Can detect 38~17um particles
Laser detection, built-in fan
SPI and USB interface
High test accuracy, low dust reclosing rate to 8%
Characteristics of PM2.5 Sensor (Industrial Applications) OPC-N3:
Can detect 38~40um particles
Laser detection, built-in fan
SPI and USB interface
High test accuracy, low dust reclosing rate to 8%
PM2.5 Sensor (Cheap Version of OPC-N2) OPC-R1 Features:
Can detect 4~12.5um particles
Laser detection
SPI interface
High test accuracy, low dust reclosing rate to 8%
VOCs sensor (civil) TGS2600 features:
* Low power consumption
* High sensitivity to polluted air
* Long service life and low cost
* Simple application circuit
* small volume
VOCs air quality detection sensor module (civil) FAM-001-01 features:
* Circuit module based on TGS2600 design
* Low power consumption
* long life
* High selectivity to low concentration gases
* High sensitivity to the smell of cigarettes or cooking gases and volatile organic solvents
* There are 6 pollution levels
PID sensor (industrial application) PID-A1 features:
Large range, 0~6000ppm
Light bulb is 6eV
Long lamp life up to 5000 hours
Detects most VOC gases
Linear output
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