Best Air Pollution Sensor

Coway Airmega 300 True HEPA Air Purifier with Smart Technology, Covers 1,256 sq.ft, White

[Coverage] Designed to clean spaces up to 1,256 sq. ft. in 30 minutes..
[HyperCaptive Filtration System] Combination of a pre-filter, deodorization filter, and True HEPA Filter reduces 99.999% of 0.01-micron particles, including pollen and other allergens. It also reduces 99% of volatile organic compounds and odor..
[Smart Mode] With its Smart Mode feature, the Airmega automatically adapts to its surroundings by adjusting fan speeds based on the room's air quality. That means your unit in energy efficient without compromising effectiveness..
[Eco Mdoe] When the air quality in the room remains purified for 30 minutes or more in Eco Mode, the fan will turn off to conserve energy, kicking on again when pollution is detected..
[Sleep Mode] When the Airmega's built-in pollution sensor detects that the air is clean for 3 minutes, Sleep Mode reduces the purifier's noise and power consumption..

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Coway Airmega 150 True HEPA Air Purifier with Air Quality Monitoring, Auto Mode, Filter Indicator (Dove White)

3-Stage Filtration System [ Pre-filter (Washable) + Deodorization filter + Green True HEPA filter] captures and reduces up to 99.97% of 0.3 micron particles in the air, including pollen, pollutants and other allergens. It also reduces volatile organic compounds and reduces odor..
Pollution sensor communicates indoor air quality in real-time. Brightly colored LED lets you know how clean or dirty your indoor air is every minute of the day. Also features a filter-lifetime indicator and notifies users when to replace them..
Energy efficient air purifier with 3-stage selection of fan speeds plus Auto mode. Auto mode automatically optimizes the fan speed based on the level of indoor air quality. When no pollution is detected for 30 minutes, the fan will automatically stop and enters low-noise mode..
Room Coverage 214 sq ft CADR (Clean Air Delivery Rate) 138 (Smoke), 161 (Dust), 219 (Pollen) Filter Composition Pre-filter + Deodorization filter + Coway Green True HEPA filter Filter Life Expectancy Deodorization (6 Months), Green True HEPA (1 Year) Air Flow Control 4 Stages (Auto / 1 / 2 / 3) Noise Level 19.98 ~ 48.3 dB(A) Dimensions (W x H x D) 13.4 x 18.5 x 6.5 in Product Weight 12.1 lbs Power Consumption 35 W.

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BRWISSEN A18 Air Quality Monitor Indoor Pollution Tester for Co2 Dust Meter PM1.0 PM2.5 PM10 Particulate Matter Analyzer HCHO Formaldehyde TVOC Detector Data Record Storage Particle Counter

003cb003e PM PARTICULATE MATTER DETECT003c/b003e -- Air pollution monitor can test indoor fine particles. 6-channel tiny particle number testing (Number of particles/liter)--pm0.3 / pm0.5 / pm1.0 / pm2.5 / pm5.0 / pm10.
3-channel particulate matters quality detection (μg/m³)--PM1.0 / PM2.5 / PM10.
Press and hold the set/confirm button for 3 seconds to enter Settings page.
003cb003eDATA LOGGER & EXPORT003c/b003e -- Air quality meter has a 128M data memory card that support 10w + data records storage, record storage frequency: once a minute. Data records can be exported to the computer in TXT file and analyze air quality changes in graphs.
003cb003eAUTOMATIC PHOTOSENSITIVE003c/b003e -- BR-A air quality tester automatically turns off the screen according to the ambient brightness, creating a good sleeping environment, saving energy and electricity. Can turn off this function in settings page.
003cb003eCO2 / HCHO / TVOC SENSOR003c/b003e -- NDIR Non-Spectral Infrared CO2 Carbon Dioxide Sensor, Absorption chamber Optical Coating.
Electrochemical formaldehyde HCHO sensor, double platinum catalytic electrode.
semiconductor TVOC sensor, indoor air quality meter can accurately measure a variety of volatile organic compounds TVOC / VOCs, such as benzene, nitroge....

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VisibleDust Arctic Butterfly 724S Super Bright Sensor Brush for cleaning digital camera sensor

Super-Charged Fiber Technology (SCF) is combining both Nano-Coating Technology along with super thin fibers which are utilized to enhance charges of the brush fibers and maximize lift capability.
Sensor Brush is equipped with two super bright LED lights that illuminates the camera sensor while in operation.
No canned air — completely travel safe.
Super Charged Fibers are secured into the head of the Sensor Brush without the use of glue or other adhesive substances to avoid long-term pollution.
Requires two (2) AAA batteries (NOT INCLUDED).

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Temtop Air Quality Monitor CO2 Detector Professional Carbon Dioxide PM2.5 PM10 Formaldehyde Temperature and Humidity Monitor w/Audio Alarm Data Export (M2000 2nd)

8-IN-1 MULTIFUNCTIONAL CO2 MONITOR. Adopts SenseAir NDIR carbon dioxide sensor, Dart HCHO sensor, and Temtop professional-grade particle sensor. Gather the world's top technology to provide you with comprehensive air pollution monitoring..
AUDIO ALARM AND COLORFUL AIR QUALITY LEVEL INDICATOR. Know the air at a glance, you can also set the alarm threshold according to your needs..
DATA EXPORT AND EASY CALIBRATION. Export full data via USB including CO2, PM2.5, PM10, HCHO, particles, temperature, and humidity. Built-in calibration program for CO2 and HCHO. The RAM supports more than 3 months of continuous data logging..
SUITABLE FOR BOTH INDOOR AND OUTDOOR. Adopts colorful TFT display with backlight, ergonomic design, and rechargeable large capacity battery, you can use it for home, office, lab, or carry it to travel..
WHAT YOU GET. M2000 air quality monitor, charging cable, carry case, user manual, Temtop 12-months warranty & 24/7 customer support access via email and phone..

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BLATN Smart 128s Air Quality Monitor Indoor CO2 PM2.5 TVOC Meter Formaldehyde HCHO Detector VOCs Pollution AQI Tester PM1.0 PM10 Dust Particle Counter Data Logger Home

003cb003eCO2 & HCHO SENSOR003c/b003e -- NDIR Non-Spectral Infrared CO2 Carbon Dioxide Sensor with self-calibration, Absorption chamber Optical Coating.
Electrochemical formaldehyde HCHO sensor with automatic calibration, double platinum catalytic electrode, strong anti-interference ability.
003cb003eTVOC CHEMICAL POLLUTION003c/b003e -- Semiconductor TVOC meter can test a variety of volatile organic compounds TVOC VOCs, such as benzene, toluene, xylene, aromatic hydrocarbons, aldehydes, hydrogen sulfide etc., captures the change in molecular concentration of organic compounds at the thousandth level.
003cb003eDATA LOGGING UPGTADE003c/b003e -- Smart air quality monitor indoor upgrade in 2021: Support data storage and export of all 12 testing items, with date and time, frequency: once every 1 minute. MAX storage capacity can be expanded to 8G, which can store up to 400 days of records.
003cb003ePROFESSIONAL & ORIGINAL003c/b003e -- air quality alarm base on US standard.
stereo air convection sampling and active air interactive system.

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Coway Airmega AP-1512HH True HEPA Air Purifier with Air Quality Monitoring, Auto Mode, Timer, Filter Indicator, Eco Mode

...ntly monitoring the air quality, the fan automatically adjusts to most effectively purify your space as needed providing a new level of clean in real time..
[Eco Mdoe] When the air quality in the room remains purified for 30 minutes or more in Eco Mode, the fan will turn off to conserve energy, kicking on again when pollution is detected..
[3-Stage Manual Fan Speed] Control your AP-1512HH's fan manually with low, medium, and high settings..
[Air Quality Indicator] Pollution sensor communicates indoor air quality in real-time. Brightly colored LED lets you know how clean or dirty your indoor air is every minute of the day. You can turn off the light for sleeping..
[Filter Alerts] The air filter indicator tells you when the filters need to be replaced, and the pre-filter needs to be cleaned for maximum efficiency, based on how much air they have processed..
[Ultra Quiet] Ultra quiet operation with noise levels ranging from 24 dB to 53 dB..
[Timer] Schedule the unit to purify 1, 4, or 8 hours of use and conserve energy..
[Warranty] 3-year Limited Manufacturer's Warranty.

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Coway Tower True HEPA air purifier with Air Quality Monitoring, Auto Mode, Timer, Filter Indicator, White (AP-1216L)

...r, Deodorization filter, True HEPA filter, Vital Ion) captures and reduces up to 99. 97% of particles 0. 3 microns in the air, including pollen, pollutants and other allergens. It also reduces volatile organic compounds and reduces odor..
Pre-filter is washable and permanent, designed to catch larger dust particles..
Pollution sensor communicates indoor air quality in real-time. Brightly colored LED lets you know how clean or dirty your indoor air is every minute of the day. Also features a timer, plus an indicator for filter lifetime..
Energy efficient air purifier with three manual fan speeds plus Auto mode. Auto mode automatically optimizes the fan speed based on the level of indoor air quality. When no pollution is detected for 30 minutes, the fan will automatically stop and enter Eco mode to save energy..
The timer feature allows the machine to run 1/4/8 /12 hours before automatically powering off..
Filter replacement indicator checks both Pre-filter and HEPA filter respectively to let users be aware of when to wash or replace the filter..
Quiet operation with noise level range from 21 dB to 52 dB..
Coway Airmega AP-1216L consumes 49. 3 watts..
Limited manufacturer's warranty covers any internal/functional parts for 1 year and motor and electronic ....

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Webetop HEPA Filter Air Purifiers for Home Office Bedrooms Air Purifiers with True HEPA HESA Filter for Large Room with Optional Night Light

6 Stage Filtration System: Pre-filter, TRUE HEPA Filter, HESA Filter, Activated Carbon Filter, UV Light and negative ion. Filters particles as small as 0.3 microns and larger and filters air pollution of PM 2.5. Good for stuffy nose..
Smart Air Quality Sensor: The auto mode to indicate the surrounding air quality, automatically adjusts fan speed to control the purification process. Also Include PM 2.5 Monitor Function..
Sleep Mode & Remote Control: Quietly operates throughout the night with remote control, and can automatically turn off according to the timer from 30 minutes to 7.5 hours..
4-Speed Fan :For whatever speed you are feeling: Low, Medium, High, or auto. The settings to better accommodate the needs of the room..
Temperature & Humidity Sensor in Real Time: Monitor the temperature and humidity in the room with the smart sensor in real time and display the data in the LCD screen.You need to reset the machine before the first use. Strictly follow the four steps: Step1: plug in, Step2：reset (There is a small hole next to the power socket that can be reset by a pinch.) it in the shutdown state, Step3：unplug the power and replug it in, Step4: Turn it on..

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