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35 Best air meter 2021 – After 226 hours of research and testing.

Now that you are here, you must be looking for the best air meter! If you aren’t for it, you shall use our search and look for the topic you are interested in. As this piece is a lengthy one and covers a few more aspects other than the best list, they are the best air meter brands in United States of America and a buyer’s guide for making an informed buying decision.

Before we begin with the list, We ask you to make a list of things that you are looking for in a air meter. It could be anything which you’ll require when doing tasks. This will help you have some clarity about the important things and will help you save money by not overspending on the features you won’t use or a product that has more features!

You surely are here for being able to make an informed buying decision when it comes to air meter and you must be looking for the list, We know that! But before we begin, we’d like to tell you that, this is the most unbiased list ever, it has specs, lists down the features of the air meter, best brands and has a dedicated buyer’s guide for people in United States of America.

Full Disclosure: This article might have a few external links to Amazon and other informative sources. When you make a purchase on Amazon using our link, we’ll earn a small fee without you having to pay extra for the item. This helps us keep the site running and publishing more awesome content, add more research and never let people buy bad-quality products!

Best air meter in 2021

1. Huma-i (HI-150), Advanced Portable Air Quality Monitor Indoor Outdoor Which Measures CO2, VOC, Particle Matter (PM2.5 and PM10), Temperature, Humidity – Black -Indoor Air Quality Meters

By Huma-i

  • DURABLE & STYLISH – Sturdy and designed focused outer casing looks great while protecting your Huma-i device
  • REAL-TIME AIR QUALITY MEASURE – Monitor air quality with the touch of a button, measuring levels of CO2, Volatile Organic Compounds (VOC), and Particle Matter ((PM2.5 & PM10)
  • Have peace of mind when carrying your Huma-i device during your activities.
  • EASY OF USE – Easily read real time air quality results in graph mode or Icon mode through the OLED display by toggling a one touch button
  • ADVANCED FAN & SENSORS – The Huma-i has a built-in fan to quickly draw in ambient air to allow real-time measurements
  • Great for both indoor and outdoor environments.
  • And easily view the Status LED lights that lets you quickly know the status of CO2, VOC, and particle matter.
  • Also measure temperature and humidity in your surroundings.
  • PORTABILITY – With pocket-sized portability, take the Huma-i with you at all times to measure the quality of air around you

2. Digital Anemometer Handheld, Velometer, Anemometer for HVAC with Wind Speed, Temperature(℃/℉)and Backlit Air Flow Meter for Shooting, Surfing, HVAC Duct Hose-AP-007 -Patio, Lawn & Garden


  • Accurate Wind MeterThe max wind speed range 67.1 mph(+/- 5% of readings), The Wind temperature -10~45℃,14℉-113℉(+/-2℃,35.6℉), with the function of wind chill and 8 sensitive vanes for you to measure HVAC installation, CFM calculation, Duct vents.
  • Pro AnemometerAP-007 anemometer range from 0.3~30m/s, Resolution: 0.1m/s;0.2℃, with low battery indication, wind chill function, Measure wind speed in 5 units:m/s, km/h, ft/min, knots, mph
  • Backlight FunctionUser can work under the dim surrounding with your anemometer via back light function.Manual / Auto Power OFF optional, It would auto power off if you don’t operate it for 5 minutes.
  • Wind temp in ℃/℉,(14℉ to 113℉/-10℃-45℃).
  • What Included1* AP-007 Anemometer, 2* 1.5V AAA batteries, 1* Small Tripod,1* Protect Case, 1* Lanyard, 2 Years Warranty, Worry-free Shopping, 24 * 7 technical support, if you have any problems, just contact us.
  • (Gift: Small Tripod Included)
  • Tripod Hole for ConnectingAt the bottom of the anemometer,there is a hole for you to connect the tripod, SO you can set your hands free while Shooting, Boat Sailing, Kite flying, Climbing, Drone driving etc

3. Air Quality Monitor, Formaldehyde Detector,Indoor Pollution Meter,Temperature & Humidity Sensor, PM2.5/PM10/PM1.0/HCHO/TVOC Real-Time Air Quality Tester -Indoor Air Quality Meters


  • EASY TO OPERATE: its easy to operate with just pressing the power on/off button, A button realizes all operations,design with LCD Color Screen Digital Display, it can offer mean value for each gas,It helps detect harmful HCHO and TVOC around your room in the real time.
  • COLOR AND SOUND ALARM : You can rate detector real-time tests and analyze, Risk Levels with Time Display, When the Normal is exceeded, the detector alarm sounds and the interface color will change, thus avoiding the risk.
  • APPLICATION RANGE: Home, Office, Car, Hotel, Kitchen, Bedroometc
  • PORTABLE &RECHARGEABLE BATTERY : It’s easy to carry the intelligent air quality monitor that can help us detect the gas air pollution in household, office, school, the Built in 1000mAh rechargeable battery and packaged with a USB cable, the standby time can last for 4-8h.
  • Its unit weight is 170.5g, and can be carried with you for testing at any time, healthier life for your family! If the product has any quality problems, please feel free to contact our customer service, we will provide you with satisfactory results
  • MULTIFUNCTIONAL& AIR QUALITY MONITOR: its available for 8 types of data, Total control of air quality,HCHO/ TVOC/ AQI/ TEMP/HUM/PM2.5/PM1.0/PM10/, to guarantee the health of your family.Before the first use or after long-term storage, please make sure to place it in a ventilated environment (indoor) for at least 1 hour,ensure the accuracy of data.

4. Qingping Air Monitor, Indoor Air Quality Meter Detects PM2.5, CO2, TVOC, Temperature, and Humidity with 328ppi IPS Touch Screen for Home -Indoor Air Quality Meters

By qingping

  • The brightness can be adjusted automatically
  • It provides real-time data of weather forecast, AQI, and UV index (forecast of AQI and UV is not available in the US)
  • The charger is not included in the package, the power input should be 5V ⎓ 1A; 4) the product may have faint sound when the fan is working to accelerate the air exchange.
  • Important Notes1) the product cannot measure Formaldehyde; 2) for the first time use, the initialization of TVOC may take around 4 hours; 3) the product is powered by a supplied USB-C charging cable, it can work for 4 hours after fully charged, so please keep it connecting to the power supply in daily use
  • Smart Wi-Fi Device, Supports Qingping+ appYou can monitor the 5 metrics remotely in Qingping+ app when the device is connected with 2.4GHz Wi-Fi (it doesn’t require a hub)
  • Each metric is with a color indicator under the number, so you can understand the indoor air quality and the temperature/humidity level of your room at a glance
  • The product with elegant design has won an iF and a Red Dot design awards.
  • You can also check the date, calendar and time on the screen (need to connect it to the network to access the right time zone)
  • The product has top-level sensors built-in, along with the multi-mode compensation algorithm, the measured data is accurate and reliable
  • Accurate and Reliable MeasurementThe product is fast-responding and sensitive with a 1.2GHz 4-core A7 chipset
  • You can also check or export the historical data of the last 24 hours and 30 days
  • The product has a smart operation system, it supports firmware upgrades for new features and optimization
  • High-resolution Touch ScreenThe 3.1” IPS touch screen with 328 PPI is ultra-clear
  • Please download the English version user manual from the product description page to get more details if needed.
  • The innovative design of the vents enables sufficient contact between the air and the sensors to improve efficiency.
  • You can touch the numbers or slide to switch the interfaces, all the operations are smooth and easy.
  • Award-winning Multifunction Air Quality DetectorQingping Air Monitor shows a full picture of Indoor Air Quality (IAQ) by monitoring PM2.5, CO2, TVOC, temperature, and humidity

5. BTMETER BT-100 Handheld Anemometer, Digital Wind Speed CFM Meter Gauge Air Flow Velocity Tester for HVAC Shooting Drone, Wind Chill, 14℉-113℉ Wind Temperature -Patio, Lawn & Garden


  • Anemometer Case IncludedIt’s a light weight, pocket size airspeed Meter, portable for you and your family to measure outside for outdoor activities, such as: shooting,Boat Sailing, Kite flying, Climbing, Drone driving etc.
  • To set your hands free when you fly drones, rc planes, wings, helicopters and quads, long distance shooting.
  • Tripod Hole for MountingThere’s a metal threaded hole on the bottom of the digital anemometer, so you can fix it on a tripod for continuous wind guages
  • 2×1.5V AAA batteries included to get you started when you receive the wind tester
  • Easy to Use Manual / Auto Power OFF optional, Back Light Screen to let you see clear even in dark
  • Wind Temp in ℃/℉(Degree Celsius/Fahrenheit)
  • BT-100 is a portable wind speed guages can accurately measure air speed in 5 units: m/s, km/h, ft/min, knots, mph
  • Add to Cart, Buy it, Use it, for any quality problems, we’ll replace you.
  • Accurate Wind MeterWind Speed Meter for measuring wind speed range 0.67~67.1 mph(+/- 5% of readings), Wind temperature -10~45℃,14℉-113℉(+/-2℃,35.6℉); Resolution 0.1m/s; 0.2℃
  • Multifunction Pro AnemometerWind Speed, Wind Temperature, Wind Chill, Low battery indicator on bright backlit LCD screen
  • 2 temp sensors and 8 vanes makes the meter is very sensitive to measure very low air flows to help you with HVAC installation, CFM calculation, Duct vents.

6. Fluke 925 Anemometer Wind Speed Air Flow Velocity Temperature Meter -Indoor Air Quality Meters

By Fluke

  • The lead time is about 3 business days, Fedex/DHL shipping time to USA is 5-7 days.
  • If any questions, please contact us first.

7. EG Air Quality Monitor, Formaldehyde Detector, Pollution Meter, Sensor, Tester; Detect & Test Indoor Pollution, TVOC Volatile Organic Compound Gas, PM2.5 2.5 Micron Particulate Matter Dust; eBook -Indoor Air Quality Meters


  • ORIGINAL DESIGN & USA BASED SUPPORT – We have Midwest-based technical staff including a chemist to answer any questions you have
  • Also included will be a 20+ page eBook on Gas and Air Quality Hazards
  • MULTIFUNCTIONAL & SCIENTIFIC – This indoor air quality monitor accurately assesses multiple measures of air quality including concentrations of formaldehyde (HCHO), total natural & synthetic volatile organic compounds causing most odors (TVOC), and fine particulate dust matter measuring <2.5 microns in size (PM2.5) which travel deeply into the respiratory tract, reaching the lung alveoli and can worsen asthma.
  • It incorporates a laser sensor to measure levels of dust particles and has a second electrochemical semiconductor sensor to measure formaldehyde and natural/synthetic organic compound levels.
  • Information is displayed on a clear 2.8” color LCD display.
  • HEALTHY HOME? – Is your family suffering from sick building syndrome? This air quality tester detects organic compounds like formaldehyde which has suspected links to nasal cancer and lung cancer emitted from many household materials
  • By measuring particulate pollution, an air pollution monitor can also help you know when asthma may worsen and when to change your home’s air filter.
  • This easy-to-carry air quality tester can help monitor air quality at home, in the car, and in hotel rooms
  • PORTABLE TESTING – Spot check indoor air quality anywhere or leave device on for continuous monitoring up to 2 days
  • We have worked with the supplier that holds this air quality detector’s design rights so you can be confident this item is tried and tested.
  • The 2200mAh battery provides portable power when DC 5V micro USB charging is not available
  • ADVANCED FAN & SENSORS – This air quality monitor has a built-in fan to quickly draw in ambient air to allow REAL-TIME measurements

8. Air Quality Monitor Indoor, CO2 Detector, 6-in-1 Air Pollution Carbon Dioxide Detector with PM2.5/1/10, Temperature, Humidity Professional Sensor Real Time Reading, CO2 Alarm Meter -Indoor Air Quality Meters

By Langkou

  • The CO2 detector uses a 2.8in large size display, which can show the readings simply and intuitively (The reading of PM1/PM2.5/PM10 automatically switches every 5s).
  • the data can indirectly understand the presence of second-hand smoke and mold, which will send out an alarm for your health.
  • 2.8inch Instant Readout: Professional sensors require a sampling time of only 1.5s, which can display the current air quality on the screen in real time
  • 10 hours+ long standby & Auto Alarm Function: The built-in 2000 mAh battery can provide more than 10 hours of standby time when fully charged, in addition to real-time power through the included usb charging cable, this enables long-term monitoring of air quality level
  • Know The Air Around You: The air quality tester has built-in advanced Infrared (NDIR) & laser scattering detection sensors designed to accurately track air quality including CO2, PM2.5、PM1.0 and PM10 (particulate matter), temperature and humidity
  • Press the main function key twice quickly to turn on/off the automatic alarm function (An alarm will be issued when the CO2 reading exceeds 1000ppm).
  • Easy Operation & Customer Service: Just one button operation to switch on/off, with a detailed instruction manual, in addition, if you have any questions about our products and services, please feel free to contact us any time, we are always committed to providing you with quality products and services!
  • Portable CO2 Detector: A portable detector the size of a palm, is easy to carry and can detect the gas quality in bedroom, living room, kitchen, office, car, school, hotel, campground and other environments
  • Tips: Please let the device work short mins outdoor before use for most accurate results.

9. Extech CO250 Portable Indoor Air Quality CO2 Meter/Datalogger -Indoor Air Quality Meters

By Extech

  • Package Weight: 2.35 pounds
  • Made in: United States
  • Test Instruments & Gauges
  • Package Dimensions: 36.068 L x 7.874H x22.606W(centimeters)

10. Innovate Motorsports 3806 LM-2 Digital Air/Fuel Ratio Wideband Meter (1 O2 Sensor) and OBD-II Scan Tool -Automotive

By Innovate Motorsports

  • OBD-II Scan tool- read/clear DTCs and log up to 16 channels of CAN OBD-II Data
  • Fit type: Universal
  • Wideband O2 Compatible with ALL fuel types
  • Patented Direct Digital Wideband Technology

11. Gilson Concrete Air Meter, Type B -Industrial & Scientific

By Gilson Company

  • Measures total air content of fresh concrete
  • Meets ASTM C231 and AASHTO T 152 requirements
  • Can also be used for unit weight and yield determinations
  • Supplied as a complete kit in rugged carrying case
  • Gilson’s Exclusive Gorilla Gauge is extra-accurate, durable and long-lasting

12. 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 -Industrial & Scientific


  • DATA LOGGING UPGTADE — 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
  • PROFESSIONAL & ORIGINAL — air quality alarm base on US standard; 2200 mAh rechargeable lithium battery; stereo air convection sampling and active air interactive system; Silent fan without noise; Anti-fall PE soft shell
  • MAX storage capacity can be expanded to 8G, which can store up to 400 days of records
  • TVOC CHEMICAL POLLUTION — 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
  • 6-channel tiny particle number detection (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
  • CO2 & HCHO SENSOR — 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
  • FINE PARTICLE DUST LEVEL — Laser air quality sensor can measure indoor dust level in real time

13. uHoo Smart Air Quality Sensor – 9 in 1 Indoor Air Monitor with Temperature and Humidity Gauge, CO2, Dust (PM2.5), VOC, NO2, Allergen Meter -to Breathe Easy and Boost Health with App -Industrial & Scientific

By uHoo

  • SEAMLESS CONNECTION -Simply plug in the device, connect to the WiFi network, and immediately receive round-the-clock feedback through 9 precisely calibrated sensors displayed on the mobile app.
  • All the information you need can be found in a beautiful interface that anyone in the family can understand.
  • SIMPLE AND EASY -Get alerts, tips, and insights on how to manage your indoor air quality
  • SMART WAY TO ORCHESTRATE YOUR AIR -uHoo connects and works with other smart home devices for a seamless and integrated approach to a cleaner and healthier air.
  • uHoo VIRUS INDEX -Be equipped with the power of knowing exactly what to do to fight viruses indoors, so you can rest easy knowing your air is optimized for health and safety.
  • SEE THE AIR YOU BREATHE -Only uHoo’s air quality monitor provides a fully comprehensive analysis of the air quality in your space by measuring temperature, humidity, dust, toxins, NO2, CO2 and more.

14. Air Quality Monitor BIAOLING Accurate Tester for CO2 Formaldehyde(HCHO) TVOC PM2.5/PM10 Multifunctional Air Gas Detector Real Time Data&Mean Value Recording for Home Office and Various Occasion -Industrial & Scientific


  • Built-in low power consumption processing chip, can carry on long time uninterrupted monitoring to air quality
  • Easy Operate – This air monitor is easy to operate which just pressing the functional button and one full page design make everyone can easy to read all the real time readings at the same time
  • This new mode can offer real time data and mean value, it is recommend you to focus on mean value of each gas after testing enough time because long-term monitoring, the real-time data exist instability.
  • This air monitor will offer color indication to show overall environment quality which have Good(Green), Mild Pollution(Yellow),Severe Pollution(Red) three grade
  • 3000mAh Rechargeable Battery – BIAOLING Air Quality Detector has a 3000mAh rechargeable lithium battery and packed with USB cable that can last up to 8-12 hours
  • Kindly Note – Please be aware this air quality monitor is for home indoor place, please kindly close door and window before testing
  • It will always take care of you and your family health.
  • We do recommend using the monitor as a stationary unit and focus on long time(at least 60 minutes) mean values and overall environment quality indication.If you have any questions regarding monitor functionality or you need any assistance on how to re-calibrate the sensors, please contact us via email.
  • You can directly to know the overall environment quality and track on each gas mean value to know what gas in air is unsafe and take accordingly actions.
  • Know Your Air Clearly – For everyone,It’s necessary to know the air quality of the place where you live.This air monitor have LCD Digital Color Screen, large and easy to read
  • It’s easy to carry the intelligent air quality monitor that can help us detect the air quality in household, kitchen, bedroom, office, school, car, hotel, travel, camping, party etc…especially in which has baby,child and pregnant woman.
  • Size about 5.83” * 2.76” * 1.18”
  • It is recommend you to charge 6 hours before first use and do not use it when charging or in lower battery because the data may not so accurate
  • Multiple Detectable Gases – BIAOLING upgraded indoor air quality monitor built in DART electrochemical sensors that can accurate detect air of Carbon Dioxide(CO2), Formaldehyde(HCHO), Volatile Organic Compound(TVOC), Particle Matter(PM2.5/PM10)

15. Sound Meter -Apps & Games

By appBasic

  • – show the sound level graph
  • – can calibrate the decibel for each device
  • – gauge for indicate values
  • – show the current noise environment
  • – Min/Avg/Max values display

17. Ecosmart ECO Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self Modulating Technology, White -Tools & Home Improvement

By EcoSmart

  • Required Breaker Quantity: Three 40 Amp Double Pole
  • EcoSmart ECO 27 Sizing; 27-kilowatt tankless electric water heater ideal for providing hot water for whole home applications; provides between 2.7 and 6.5 gallons-per-minute depending on the inlet water temperature; refer to the sizing guide to select the proper solution
  • Digital temperature control in 1-degree increments gives users complete control of hot water
  • Endless on-Demand Hot Water; Consistent hot water when you need it that never runs out; Continuously monitored water temperature and controlled flow rates ensure efficiency and consistent performance within 1 degree of selected temperature
  • NEVER run out of hot water with an ECOSMART tankless water heater.
  • Save up to 50% in water heating costs according to the Department of Energy
  • Warranty and Certifications; Limited Lifetime Warranty on electronics, exchanger and element; UL-499 certified; ETL Listed
  • Save Space; EcoSmart tankless electric water heaters are 90% smaller than traditional tank heaters; may be installed on wall or at point of use; Dimensions 17 x 17 x 3.75 inches 
  • Recommended Electrical Panel: 200 Amps
  • Save Energy; EcoSmart tankless electric water heaters are 99% thermal energy efficient; Only heats water when called unlike a tank heater that maintains water temperature even when not being used
  • Save up to 12 cubic feet of storage space.

18. Amazon Basics USB 2.0 Printer Type Cable – A-Male to B-Male – 16 Feet (4.8 Meters), Black -Industrial & Scientific

By Amazon Basics

  • FRUSTRATION-FREE PACKAGING: Ships in Certified Frustration-Free Packaging
  • IN THE BOX: (1) 16 foot high speed multi-shielded USB 2.0 A-Male to B-Male cable
  • FOR SPEED-CRITICAL DEVICES: Ideal for connecting external hard drives, printers, and cameras to your computer
  • Ships in Certified Frustration-Free Packaging
  • GOLD-PLATED CONNECTORS: Constructed with corrosion-resistant, gold-plated connectors for optimal signal

19. AxPower OTG Micro USB to iPhone IOS Cable 1ft Connector for DJI Spark Mavic Mini Mavic Pro Mavic 2 Pro Zoom Air Reverse Data Cable for iPhone 7 8 X -Toys & Games

By AxPower

  • BUY WITH CONFIDENCEThank you so much for your great support on us
  • If you have any questions please contact us, we will provide the best service as we can.
  • We don’t cut corners, because we believe the difference shows!
  • Premium QualityWe set the highest standard of quality for our wires, rubber, and silicone that go into each cable
  • UniversalityThis OTG cable is universal to DJI Spark, Mavic Mini, Mavic Pro.
  • Product quality and customer satisfaction is our top priority
  • Ultra-fast charge & data transfer8 Pin iPhone cable with durable connector, faster charging speed and stably syncing with high efficiency on your iPhone and iPad.

20. Life-O-Meter -Apps & Games

By The Code Zone

  • Get inspired to make the most of your life
  • Keep track of how much time you have left
  • Enter your birth date and life expectancy

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21. GuliKit Route Air Pro Bluetooth Adapter Compatible for Switch & Lite, PS4/PC, Support in-Game Voice Chat, Wireless Headphone Speakers, Low Latency Wireless Audio Transmitter for Airpods -Electronics Features

By GuliKit

  • It also supports dual connections
  • Humanization DesignCompact and portable,the hiden buttons and small LEDs at the bottom side to avoid any visual interference in gaming
  • Plug & PlayEasily for Paring,plug and play.10 meters barrier-free transmission without any loss by advanced ceramic antenna.Compatible with Switch and Switch Lite, PS4 etc.
  • Support Dual StreamingRoute Air Pro supports Bluetooth speaker and all wireless earphones with Bluetooth 5.0, 4.0, 3.0 or 2.1
  • So when you play a two-player game, both people can hear the sound.
  • Support Voice ChatPlug the mini microphone to 3.5mm Aux jack on Switch and use it with Route Pro to realize in-game voice chat function,and enjoy playing Fordnite.
  • Real-Time Audio Sync with aptX Low Latency Adopts the aptX low latency codec to eliminate that annoying lag you may get and ensure smooth transmission for excellent game feel
  • You can easily enjoy lossless CD sound quality.
  • Come with a USB C to A adapter so that the Bluetooth adapter also works on Dock Mode for Switch.Please buy it at ease,any question,please contact us feel free,we will try our best to help you.

22. Energizer CR2032 Batteries, 3V Lithium Coin Cell 2032 Watch Battery (10 Count) -Health & Household

By Energizer

  • 3V lithium coin batteries perform in extreme temperatures from -22 F to 140 F
  • Long lasting toy, health monitor and remote batteries
  • 10 Count of Energizer 2032 Batteries, 3V Lithium Coin Batteries (6-pack + 4-pack)
  • CR2032 3V lithium coin battery enclosed in child-resistant packaging to help keep kids safe from ingestion
  • Coin cell batteries hold power for up to 10 years in storage

23. Innovate Motorsports (3837) LM-2 (BASIC) Digital Air/Fuel Ratio Wideband Meter incl. Bosch LSU 4.9 , Black -Automotive

By Innovate Motorsports

  • Patented “Direct Digital” Wideband Technology
  • Wideband O2 sensor (Bosch LSU 4.9) is compatible with most fuel types (leaded, unleaded, diesel, methanol, E85, etc)
  • Positive lock connectors for all connections
  • includes the LM-2, Bosch LSU 4.9, 8 ft sensor cable, cigarette-lighter power, USB cable, weld-in bung and plug, and quick-start guide.

24. Stray Dog Simulator -Apps & Games

By Gluten Free Games

  • 9 UNIQUE DOG BREEDS – Pick your favorite breed! Customize your dog pack with any dogs you’d like from the vast selection: Bulldog, Dalmatian, Doberman, German Shepherd, Jack Russell Terrier, Labrador, Greyhound, Dachshund and Husky!
  • MISSIONS AND ACHIEVEMENTS – Introducing two new mission types, “Mark your Territory” and “Can You Dig It?”, to the unlimited missions and over two dozen achievements to give you a boost of experience! With the level cap increased to 200, you’ll need all the help you can get!
  • REALISTIC SIMULATOR – You’ll need to maintain your health, hunger, thirst, and energy if you’re going to survive the harsh life of a wild dog on the street!
  • BUILD YOUR PACK – Dominate other dogs and recruit them to your pack! With up to 5 additional dogs, 9 breeds, and 3 alternate colors, every pack will be unique!
  • PLAY ANY BREED – For the first time you can choose the breed of your starting dog
  • Even better you can switch and play as any dog in your pack and level them up individually!

25. Kasa Smart WiFi Plug w/Energy Monitoring by TP-Link – Reliable WiFi Connection, No Hub Required, Works with Alexa Echo & Google Assistant (HS110),White -Tools & Home Improvement

By Kasa Smart

  • ENERGY MONITORING monitor enery consumption of Your plug in devices and set times and schedules to avoid waste
  • KASA SCENES & SCHEDULES Schedule the Smart Plug to automatically switch on and off when away or set a Scene for Controlling many devices with a Single button
  • Voice Control Works with Amazon Alexa, Google Assistant and MicroSoft Cortana Supported devices for a hands Free Experience
  • Note: Requires a Secured 2.4 GigaHertz Wi Fi network connection
  • Control from Anywhere: Turn electronics on or off from Anywhere with Your Smartphone using the kasa app (compatible w/ android & ios)

27. Indoor Air Quality 9999ppm Digital Carbon Dioxide Temperature Humidity NDIR Sensor IAQ CO2 Monitor WB DP Tester -Electronica

By Gain Express

  • Sound Warning Alarm notifies operator when CO2 levels reach or exceed a preset threshold
  • Stable NDIR Sensor for CO2 Detection
  • Triple displays of CO2 level, Temperature (°F/ °C) and Humidity (Air, Wet Bulb, or Dew Point Info are all available)
  • Power Supplied by Battery (Included) or 9V Adaptor
  • Ideal indoor air quality meter for home, laboratories, hotels, etc
  • Measuring Range:CO2: 0~9999ppm,(2001~9999 out of scale), Resolution : 1ppm,0.1°C/°F, 0.1%RH
  • Optional Software CD for PC Connection Online Logging is also possible.

28. Lonicera Indoor Air Quality Meter for PM2.5/PM10/PM1.0 Fine Dust, CO2, Formaldehyde (HCHO), TVOC Volatile Organic Compound Gas, Temperature & Humidity, White -Electronica

By Lonicera

  • Air QUALITY MONITOR – Track particulate matter (PM2.5/PM1.0/PM10), carbon dioxide (CO2), formaldehyde (HCHO), Volatile organic compound gas(TVOC), temperature and humidity at home and in your car, specifically for indoor-decoration or interior design
  • PORTABLE – With small size and easy to carry around, start testing air quality at home, in the office, at hotel, in car, take action to improve family living environment and track change over time, with 1800mA rechargeable lithium battery inside, be able to work around 3 hours after fully charging
  • WHAT YOU GET – Monitor device x1, flat charging cable x1 and user manual x1 placed inside of package, full refund service available within 90 days for purchasing and one year warranty, a good gift to your family and friends
  • ADVANCED SENSORS AND INSTANT READ – Infrared sensor from Senseair (Sweden) to measure carbon dioxide(CO2), electrochemistry sensor from DART SENSORS (UK) for HCHO and TVOC, and HK-A5 laser scattering sensor used for particulate matter which is close to the American TSI professional detector, quick response to air quality change
  • EASY TO USE – Push the power button at back side, everything shows on 16-bit true color LCD display at a glance, to track the historical data within one hour by pushing function button at top

29. GoldenPlayer Air Quality Monitor, 3-in-1 Combo CO2 Moisture Meter Pollution Meter, Sensor, Tester; Detect & Test Indoor Pollution, Carbon Dioxide Detector Temperature and Humidity Indoor -Indoor Air Quality Meters

By GoldenPlayer

  • Large screen design, clear and easy to see.made of fine quality material, practical, easy to operate and use, has a long service life.
  • High-performance chip is accurate and more outstanding.
  • Using more professional infrared optical principles to accurately and quickly detect carbon dioxide.
  • Carbon dioxide 1s/time real-time refresh
  • Functions:New 3-in-1 air quality monitor for CO2 Detector,hazard assessment, temperature and humidity detection, intelligent alarm system, gas recognition algorithm, multiple anti-interference, air convection technology, greenhouse compensation calibration.
  • Application areas: agricultural planting, greenhouse vegetables, production warehouse, raw material processing, home interior, etc.

30. INKBIRDPLUS Air Quality Monitor, Indoor CO2 Meter, Accurate Tester for CO2, HCHO, TVOC, Temperature and Relative Humidity, Real Time Display Rechargeable Battery -Indoor Air Quality Meters


  • Note: The measured results will be affected due to air changes constantly, please focus on long time measurements(over 60 minutes) to get a conclusion about the air quality of the overall environment.
  • Built-in Lithium Battery: The Air Quality Monitor comes with a 1200mAh Built-in Lithium Battery
  • 5 in 1 MULTI-FUNCTION: The air quality monitor can accurately detect the level of CO2, TVOC, HCHO, Temperature and Humidity a high-precision infrared sensor and a built-in high-performance chip
  • Smart Alarm: Three different indicator levels demonstrate the air quality and the colour of the screen will change when the indicator level changes with an alarm
  • It takes 2.5 hours to charge the battery, lasts 6 to 8 hours when it is fully charged, and can be connected to power during use
  • Easy to use: Once turn on the CO2 meter, it will automatically measure the surrounding air quality for you
  • Real-Time Measurement: This CO2 meter can accurately capture the weak current generated during the electrochemical reaction to calculate the CO2 measurement result per second on the colorful display

31. Great Power Adapter Extension Cord Wall Cord Cable, WEGWANG Cord Compatible for Apple Mac iBook MacBook Pro MacBook Power Adapters 45W, 60W, 85W MagSafe 1 or MagSafe 2 Models -Video Games


  • Easy to use—For Apple MacBook power adapters 12W,29W, 45W, 60W, 85W MagSafe 1 or MagSafe 2 models.
  • Charge your Apple computer Easily
  • The E-mail case will be reply within 24 hours after you sent to us.
  • WARRANTY: Born for Mac Notebook has worry-free 18-month and friendly customer service and 24h x 7 E-mail Support
  • One AC Power Charger Cable, Brand New and High Quality.
  • Content: US 3 prong 6 feet/1.8 meter AC Power Cord for Laptop adapters (AC Wall Cord Only / AC Adapter part is not included).
  • It can be used to keep your computer charge throughout all your questing.

32. BRWISSEN A16 Air Quality Monitor Indoor Pollution Tester Data Record for PM1.0 PM2.5 PM10 Particulate Matter Fine Dust Meter TVOC VOCs HCHO Analyzer Formaldehyde Air Gas Detector Desktop -Indoor Air Quality Meters


  • HCHO / TVOC SENSOR — Electrochemical formaldehyde HCHO sensor, double platinum catalytic electrode; semiconductor TVOC sensor, indoor air quality meter can accurately measure a variety of chemistry pollution 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
  • PM PARTICULATE MATTER DETECT — Air pollution meter can test indoor fine particles
  • DATA LOGGER & EXPORT — Air quality monitor has a 128M data memory card that support 10w + data records storage, data records can be exported to the computer in TXT file and analyze air quality changes in graphs
  • 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
  • AUTOMATIC PHOTOSENSITIVE — BR-A air quality tester automatically turns off the screen according to the ambient brightness, creating a good sleeping environment, saving energy and electricity
  • AIR QUALITY ALARM — Desktop air quality detector with touch button, automatic detection at start-up, drawing 24-hour air quality data change curve; Comprehensive assessment of ambient air quality, air quality alarms base on US standards, keep track of the air quality around you at all times and places to alert you to air pollution problems

34. Lubeworks Oil Control Valve Digital Meter Dispensing Nozzle 10GPM/35LPM Heavy Duty Air Operated Pneumatic 1/2″ inch NPT Inlet Pressure Range 7-725 Psi 5-50 Bar with Flexible Spout (Not for Gasoline) -Indoor Air Quality Meters

By Lubeworks

  • SPECIFICATIONS – This Preset Digital Control Valve has a Max Flow rate of 10GPM / 35LPM, at a precision of ±0.5%, handling Viscosity of 8-5000mPas, w/ a Max Pressure Range of 7Mpa 0.5-50BAR / 7-1000PSI; Inlet Connection of 1/2″ inch NPT Female connecting to industry standard oil hoses and extension reels; Battery powered w/ 1x Alkaline Cell 9v Battery, altogether weighing 3.6 lbs, including the Digital Preset LCD Meter and Flexible Spout
  • SAFETY and PROPER USE – Our Control Valves include rubber protection to absorb shock or an impact resistant polypropylene body, both delivering prolonged lifetime in workshops; Lubeworks Control Valves are only suitable for: oils, motor oils, synthetic hydraulic oil, gear oil and transmission fluids, w/ a MAX working temperature of -10°C/ 14°F to 60°C/ 140°F; Follow manual instructions for setup and always wear protective glasses/goggles or gear when operating lubrication/transfer equipment
  • EFFICIENT – This Preset LCD Digital Meter Control Valve has a 4-digit easy to read screen, w/low battery indicator to avoid sudden shut-off and can measure/dispense in various calibrations of Liters, Gallons, Pints and Quarts; Made w/ an aluminum frame, exterior ergonomic oil and waterproof polypropylene shell, with shockproof rubber, to ensure strength and durability; Our compact design has zero back pressure capability, delivering consistent measurements and smooth dispensing during operation

35. SWR SpellWriteRead Phonograms -Apps & Games

By CGVelocity

  • Learn the 70 SWR phonograms
  • Manual and Auto modes
  • Custom lists and settings

Air meter – The Buyer’s Guide

You must have checked the above list, aren’t you mind-blown by the quality of products? Well, if you are then here’s a secret formula which we’ve used to choose them. You can use them too! The best part is, it works for all the product purchases you make! Besides, wouldn’t it be helpful to you, if you knew the factors we’ve considered to choose the air meter in the above list? So shall we begin with the guide and help you learn about the important factors?

1. Does it have the features you need?

Wait for a minute before you buy the air meter, check if it has all the features in your requirement list! If it doesn’t have them, then you should avoid buying that particular model and start looking for an alternative. We always suggest our editors to make a list of important features before adding a product to a list and based on the feature, the quality of the product, brand-assurance, rank it! So if it has all you need, you should not mind paying a bit extra. However, if you end up buying the best air meter which doesn’t have the feature you need the most, then it won’t make sense! Would it? To us, it wouldn’t! That’s why you should make up a list which includes the features you are looking for, technical specifications if any, etc and come up with a budget.

2. Budget and Price Match

Well, you obviously can’t buy the best air meter with a low budget. That’s why it’s important to make note of all the important features, specs, factors and come up with a budget. Once you are ready with it, look for the products which are either equal to your budget or are close to it. Stick to the budget, because while browsing, you’ll see a model which is slightly better and has an additional feature with a really small price difference. Well, in that case you’ll have to calculate the price of the product which has all the required features and the air meter with the additional features. See if the difference in amount is worth for the feature? If you don’t have second thoughts, you shall probably increase your budget.

3. Warranty and Brand

Most of the air meter industry experts we got in touch suggested us to always buy the one which comes from a reputable brand. They also explicitly asked us to include the best brands so that users don’t buy the models from unknown brands or non-reputable companies. Because air meter from an unknown brand might be cheap at first glance, but could have high-maintenance and could cost a lot in repairs.

Another benefit of buying a air meter from a reputable brand would be warranty. Most of the air meter from reputable brands come with good warranty. However, cheap products do come with a warranty, but claiming it can be a herculean task. That’s why buy the models which come from known brands and have good warranty.

4. Check for Reviews and Ratings

Back then when the Internet wasn’t as big as it is today, local stores charged high and even ended up selling the products which sucked or wasn’t future proof. It’s because the salesman threw technical terms and confused the buyer. But nowadays, there are sites like ours which does all the research and lists down the best models and there are eCommerce stores like Amazon which has user reviews which can be read to know the experience of the user with that particular air meter. Isn’t it great?

The Verdict

We hope that you loved the air meter we’ve listed in our best list. If it has been helpful, please bookmark our website and share it with people you know whenever they plan to buy something.

To wrap up this guide,