Top Air Quality Humidity Meter

Amprobe CO2-100 Handheld Carbon Dioxide Meter

  • Handheld digital meter measures ambient level of carbon dioxide (CO2) to monitor indoor air quality and performance of heating, ventilation, and air-conditioning systems.
  • Displays current CO2 levels, long-term average CO2 levels measured over an 8-hour period, and short-term average CO2 levels measured over a 15-minute period.
  • Alarm notifies operator when CO2 levels reach or exceed a preset threshold, CO2 measurement up to 9999 ppm.
  • Liquid crystal display (LCD) shows ambient CO2 levels, as well as air, wet bulb, or dew point temperature and humidity.
  • Manual calibration helps ensure accurate humidity and CO2 readings.
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Decibel Meter Wall Hanging Sound Level Meter 30-130dB Range 11 Inch Large LED Display Noise+Time+Temperature & Humidity Meter Wide Applications for Home, Studio, Factory, Classroom Noise Monitor

  • 【Large 11” LED Display】: This large screen decibel meter has a 11″ LED display with adjustable brightness, so you can easily read the real-time levels of decibels, time, temperature and humidity..
  • 【High Precision】: This sound level meter uses an intelligent air semiconductor sensor to test decibel temperature and humidity values. Compared with ordinary sensors, it is more sensitive, accurate and stable. The measurement range is 30~130dB, accuracy: ±1.5dB, frequency response range: 50Hz~8.5KHz.
  • Temperature range: 14~122℉, accuracy: ±5%..
  • 【Wide Application】: This noise monitor is a great tool for checking, monitoring or controlling and testing the sound level of any environment and can be applied to noise engineering, product quality control, health prevention and treatment, etc. This large LED display decibel meter can be hung on the wall or placed on a table, making it an ideal noise meter for testing sound levels in classrooms, studios, major traffic routes, factories, construction sites, homes, offices, etc..
  • 【Easy to use】: This intelligent decibel meter is ready to use, click “▲” to enhance the brightness, click “▼” to reduce the brightness, click “M” to adjust the detect....
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CO2 Carbon Dioxide Detector, 4-in-1 Indoor Air Quality Monitor Portable CO2 Monitor, Tester for Carbon Dioxide, Temperature and Relative Humidity, CO2 Meter with Alarm, for Grow Tents, Homes, Cars

  • Indoor CO2 Monitor: Compact size Body with hollow back design for carring and airflow. Big colorful LCD digital screen for people easy to identify and read. Not only monitoring the CO2 content, also can test the temperature & humidity. Air quality monitor is Keeper of family health, Perfect for home interior, such as living room, baby room, classroom, office and which closed places etc..
  • Necessity of Air Quality Monitor: Carbon dioxide (CO2) is not harmful to human body when it is low, but when it overs a certain amount, it will affect the breathing of humans (and other organisms). If serious, life is threatening. Thus, we have to monitor the CO2 content of air for keeping health..
  • Advanced NDIR Technology: Mini CO2 meter uses high precision NDIR sensor technology to detect carbon dioxide content accurately and quickly. and it can hazard assessment, when CO2 of air exceed the setting alarm value(alarm value: 1000 PPM), it will warn to remind people to open the window or turn on air purifier for keeping balance of air..
  • Air Semiconductor Sensor: 4-in-1 air quality monitor adpots intelligent air semiconductor sensor to te....
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Protmex Wind Speed Meter, 6 Wind Speed Units Selection Anemometer with Large LCD Screen, Wind Speed Temperature Humidity Measuring, MAX/MIN/AVG, Data Hold, ℃/℉, Backlight, Auto-Off Functions CFM Meter

  • 【Affordable 3-in-1 Multifunctional Wind Speed Meter】Our HT605 anemometer is designed to the needs of the average consumer, with the functions most users need while eliminating unnecessary functions. And the digital handheld anemometer can monitor and record wind speed, wind temperature, and wind humidity, which can meet most of the consumers’ needs.
  • 【Professional Accurate Air Velocity Meter】Protmex HT605 anemometer with 2 temperature sensors and 8 vanes, which makes the wind meter very sensitive to measure very low air flows that can accurately measure air speed in 5 units: m/s, km/h, ft/min, knots, ft.
  • 【Specification】The wind speed meter for measuring wind speed range 0.5~30 m/s(+/- 2% of readings).
  • Wind temperature -20~60℃, -4℉-140℉(+/-0.2℃,32.56℉).
  • 【Multifunctional Anemometer】The Protmex portable wind gauge has the functions of reading holding, maximum/minimum/average value, With large-screen LCD and backlight, Auto-off, multi-unit switching, and other functions.
  • 【Protmex 24/7 Support】Protmex support team is able to respond to your questions and requests within 24 hours. If you are not satisfied with the product, please feel free to consult for help.
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ThermoPro TP49 Digital Hygrometer Indoor Thermometer TP55 Digital Hygrometer Indoor Thermometer

  • TP55 - 【Backlight & Touchscreen】Humidity meter with 4'' large LCD display features backlight and touchscreen, making it easier to read in dim light conditions and simple operation.
  • TP49 - 【Face Icon Comfort Indicator】Humidity temperature gauge features face icons to indicate DRY/COMFORT/WET air condition quickly to notify you to adjust your humidifier or dehumidifier accordingly and ensure you will always live in the most comfortable environment!.
  • TP55 - 【Responsive Readings】Room thermometer indoor measures humidity temperature gauge to provide accurate readings.
  • Humidity reader indicate current air condition ensures proper humidity control, benefit for skin, allergen and other health problem.
  • TP49 - 【High Accuracy & Fast Refresh】Temperature and humidity sensor is highly accurate to ±1°F/°C and ±2%-3% and refreshes every 10 seconds to give you precise readings and the latest changes in temperature and humidity readings.
  • Unmatched accuracy and refresh in comparison to other brands.
  • TP55 - 【Max & Min Records】Digital thermometer indoor displays MAX & MIN humidity and temperature records every 10s.
  • Also displays the trend of each reading, allowing you to react ahead of time, such as adjusting thermostat or humidifier.
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Weohoviy Mini Indoor Thermometer Hygrometer Analog 2 in 1 Temperature Humidity Monitor Gauge for Home, Room, Outdoor, Display Mechanical Diameter 57mm-Gold.

  • ♛TWO IN ONE DESIGN: 2-1 Indoor Thermometer & Hygrometer is great to keep track of the temperature and humidity, temperature measurement range: -20~120°F (-30~50°C), Accuracy: +/-2°C.
  • Humidity measurement range: 10~100%, Accuracy: +/-5% (40~70%)..
  • ♛GOOD ADDITION TO MONITOR AIR HUMIDITY: With a provide aluminum stand it totally wireless for tabletop, and with the mountable design it can be hanging on the wall, great for you to use it as a indoor humidity meter for your house, garage, basement and even your cigars. Or as a outdoor analog hygrometer for your patio and your greenhouse..
  • ♛HUMIDITY IS IMPORTANT: An accurate humidity monitor meter it’s an affordable way for you to monitoring humidity in an ideal level. Especially when you or your kids are having bad allergies, sinuses, asthma or any kinds of breathing problems, this humidity gauge will help you to make sure the moisture in your home are good enough..
  • ♛STAINLESS STEEL HYGROMETER THERMOMETER: Unlike most other analog hygrometer on the market this one are made of stainless steel with the glass cover and the colorful board, looks really stable and stylish, make it a great indoor/outdoor wall decoration. And there is no battery replacing needed eco-friendly helps to protected the e....
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Preciva Digital Psychrometer Thermo-Hygrometer, LCD Mini Temperature and Humidity Meter with Dew Point and Wet Bulb Temperature Hygrometer for Industry, Agriculture, Meteorology (9V Battery Included)

  • This digital Humidity & Temperature Meter & Wet Bulb Temperature Dewpoint Temperature has been designed to combine the functions of humidity meter, temperature meter, wet bulb temperature and dewpoint temperature..
  • It is an ideal Humidity & Temperature Meter instrument with scores of practical applications for laboratory, industrial, engineer and professional..
  • Small form factor easy to use, with a white backlit dual display LCD screen can be used in a dark environment..
  • The humidity & temperature meter is for use a humidity/ semiconductor sensor..
  • Resolution 0.01%RH, 0.01 °C/0.01 °F，Max Hold and Data Hold Function.
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Extech 45170 Four in One Environmental Meter (Hygro-Thermo-Anemometer-Light)

  • Pocket size rugged 4-in-1 meter for humidity, temperature, air, velocity and light.
  • Ergonomic pocket size housing with large dual LCD simultaneous display of temperature and air velocity or relative humidity.
  • Characters on display reverse direction depending on Hygro-Thermo-Anemometer or light mode.
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Hygrometer Indoor Thermometer for Home Humidity Meter – Room Thermometer and Humidity Gauge –Temperature and Humidity Monitor with Max and Min Records

  • ...te an optimal environment for yourself and your family with the SECRUI KR-TH1 room temperature monitor! This premium gadget allows you to check on a wide range of data to make sure everything is just right with the ambient..
  • High Accuracy Design: Our indoor temperature and humidity monitor has a high accuracy of ±2~3%RH and ±1-degrees F. It is a good option for measuring quickly fluctuating readings like those in a greenhouse. To make sure everything is right, the data measurements are updated every 10 seconds so you are always up to date..
  • Put Data into Context: This room temperature and humidity monitor displays the highest and lowest temperature and humidity levels from the past, so you can understand how the data is evolving for your environment and make any changes that may lead to a more comfortable experience..
  • Features an Air Comfort Indicator: This temperature humidity monitor features a built-in humidity meter with a level icon that indicates the quality of the air (dry/comfort/wet). This allows the humidity sensor to ensure you’re always aware of changes to your household so you can create an optimal....
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ThermoPro TP50 Digital Hygrometer Indoor Thermometer Room Thermometer and Humidity Gauge with Temperature Humidity Monitor

  • 【Air Comfort Indicator】Humidity meter with humidity level icon indicates air condition -- DRY/COMFORT/WET, allowing this humidity sensor to ensure you’re always aware of changes to your home/household with just a quick glance.
  • 【High Accuracy and Quickly Refresh】Inside thermometer has high accuracy of ±2~3%RH and ±1°F, making it ideal for measuring fluctuating readings like in a greenhouse.
  • Data measurements are updated every 10 seconds to give you lastest changes of the environment.
  • 【High & Low Records】Accurate hygrometer digital thermometer displays high and low temperature & humidity, always get ready to the changes of the environment.
  • 【Healthier Home & Environment】Thermometer hygrometer with temperature and humidity monitor ensures proper indoor humidity control has important skin, allergen and other health benefits.
  • Can also be as refrigerator thermometer, freezer thermometer, reptile thermometer, soil thermometer, humidor hygrometer, cigar hygrometer and more.
  • 【Smart Design】Indoor room thermometer features a tabletop stand to place the temperature monitor on your counter or use the magnetic back to attach to a fridge.
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ThermoPro TP50 Digital Hygrometer + ThermoPro TM01 Kitchen Timer

  • 【Air Comfort Indicator】Humidity meter with humidity level icon indicates air condition -- DRY/COMFORT/WET, allowing this humidity sensor to ensure you’re always aware of changes to your home/household with just a quick glance.
  • Count up/countdown timer: Classroom timer features count up and countdown timer up to 99hours59minutes59seconds, smartly monitoring different timing events such as cooking, exercise, video game time, kids' activities and meetings.
  • 【High Accuracy and Quickly Refresh】Inside thermometer has high accuracy of ±2~3%RH and ±1°F, making it ideal for measuring fluctuating readings like in a greenhouse.
  • Data measurements are updated every 10 seconds to give you lastest changes of the environment.
  • 4 Alarm volume settings: Loud ring ensures nothing will be forgotten! Cooking timers for kitchen features 4 volume levels - SILENT/LOW/MEDIUM/HIGH for you to choose from to meet your specific needs!.
  • 【High & Low Records】Accurate hygrometer digital thermometer displays high and low temperature & humidity, always get ready to the changes of the environment.
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NOKLEAD Indoor Digital Thermometer Hygrometer : 3.3″ LCD Screen / Time and Date / 3 Humidity Levels / Magnetic Hanging / Desktop Stand, Accurate Temperature Gauge Humidity Monitor for Home Room

  • 【3-Level Air Comfort Indicator】Humidity meter with humidity level icon indicates DRY/COMFORT/WET air condition quickly with just a glance. Ensures proper humidity, great for monitoring family's living conditions and health by preventing colds, dry skin, asthma, allergy, mold etc..
  • 【Clear LCD Display, Easy to Read】Humidity temperature gauge with 3.34 inch large LCD display features neat and slim border, easy to read from any angle and distance. While it's portable and lightweight to take it anywhere easily. ℉/℃ Switchable by "+.
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