Search query: carbon dioxide monitor

Product: CO2 Meter Indoor Air Quality Monitor Carbon Dioxide Detector Alarm Humidity Temperature Meter NDIR Channel Sensor 99%Precise Suitable Bedroom Living Room Kitchen Office Car School LED Display A3
Brand: SINCECAM
Color: White
Description: What is the effect of carbon dioxide concentration on people?

When the concentration of carbon dioxide in indoor air is below 700ppm,it is clean air and people will feel comfortable;when the concentration is between 700ppm and 1000ppm,it is still normal and belongs to the ordinary air, but some people who are more sensitive will not feel good;when the concentration of carbon dioxide is over 1000ppm,but in the range of 1500ppm,the air is in the critical stage and many people will produce discomfort.

When the concentration of carbon dioxide reaches 1500ppm to 2000ppm,the air is lightly polluted, and over 2000ppm is serious pollution.If the human body inhales too high a concentration of carbon dioxide for a long time,it will cause the human biological clock to be disturbed, because the concentration of carbon dioxide can inhibit the respiratory center,and the concentration is particularly high when the respiratory center has a paralyzing effect.In the long run, people will have symptoms such as weakness of blood and Qi,low blood fatigue,and it is easy to feel brain fatigue,which seriously affects people's lives, such as office workers will feel overwhelmed at work,and students will be greatly affected by their studies.

When the concentration of carbon dioxide is between 3000ppm and 4000ppm,it will lead to deepening of breathing,headache,tinnitus and increase of blood pressure;when the concentration is above 8000ppm,death will occur.So the concentration of carbon dioxide in the air is also one of the criteria to measure whether the indoor air is clean or not.

Package Includes:

1x Air Quality Detector

1x User Manual

1x USB Charging Cable

1x Double-sided adhesive holder

2x Screws

1x Drill hole positioning paper
Multifunction Air Quality Meters:This is temperature and humidity detection,intelligent alarm system,Gas identification algorithm,Multiple anti-interference,Air convection technology and greenhouse compensation calibration of 3 in 1 CO2 Tester
Sensitive CO2 Sensor:CO2 Sensor uses a dual channel non-dispersive infrared (NDIR) sensor to provide fast,accurate and,precise readings.Real-time monitoring,Sensor measurement,range CO2 (400-5000ppm, ±50+5ppm),Temperature (-40-85°C ±0.1°C),Humidity(0-99% ±5%)
Alarm alert:Abnormal CO2 warning alarm.2 alert modes.Different color of indicator light and beeping alarm length at different air quality concentration,During the alarm period,Press any key to lift the alarm
Portable easy operate:Just press the power switch button,This air monitor is designed with LED digital display,Adjustable screen brightness,Equipped with 2000mAh rechargeable battery,Standby time lasts 6-8 hours after fully charged(screen brightness will affect the length of use),Real-time power supply through the included type-c charging cable.When you choose to use the adapter power supply please use DC 5V 2000mAh or more.
Tabletop or Wall Mount Use:Two use way,Wall-mounted or Tabletop design.You can set it on a stand or mount it on the wall with a mounting hole on the back.Comes with 1 no-punch double-sided adhesive bracket and 2 spare screws 12-month limited warranty 100% quality guaranteed
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Product: CO2 Carbon Dioxide Air Quality Monitor, Pollution & Ventilation Meter, Tester; Detect & Test Indoor Air Ventilation Levels with CO2 PPM Levels, Temperature and Humidity Sensor Readings on LED Screen
Brand: EG
Description: Assess the quality of your air with an air quality monitor with CO2 readings. This carbon dioxide meter will accurately read the carbon dioxide levels anywhere and also help assess the amount of ventilation in any indoor space such as a restaurant or gym. Help ensure that indoor ventilation levels are at an adequate level to ensure the safety of everyone inside. If ventilation drawing outdoor air is inadequate or the number of people inside is too high, carbon dioxide levels indoors will increase beyond 500 ppm as occupants are exhaling carbon dioxide.
CO2 PPM LEVELS ON A COLOR LED SCREEN – Help ensure fresh air in any indoor space with this CO2 meter showing readings on a highly readable 320 x 240 resolution LED screen display.
SAFETY FOR EVERYONE – Monitor public and private spaces for excess CO2 levels caused by large groups of people in an enclosed area exhaling CO2. As ventilation increases from open windows, CO2 levels will decrease to outdoor levels.
MULTI-MEASUREMENTS – Check the temperature and humidity levels while reading accompanying CO2 levels.
HEALTHY AIR & HEALTHY PEOPLE – Ensure adequate ventilation by opening windows to draw outdoor air and reduce CO2 levels to 450-500 ppm or less. Studies have shown air ventilation is more effective than even mask-wearing in reducing the transmissibility of any airborne pathogens. Moreover, air ventilation is even more critical for dining where mask-wearing is inherently not possible.
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. 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.
CO2 PPM READINGS ON A LED DISPLAY – Assess the quality of your air and help keep air fresh in any indoor space with this CO2 meter with a highly readable 2.8" 320 x 240 resolution LED screen display.
SAFETY FOR EVERYONE – Monitor public and private spaces for excess CO2 levels caused by large groups of people in an enclosed area exhaling CO2. CO2 or carbon dioxide serves as an accurate surrogate measure of risk for indoor transmissibility of airborne pathogens. As the number of people increases or ventilation decreases, CO2 levels will rise. Increase ventilation with outdoor air to reduce CO2 levels and risk of viral transmission within your indoor spaces.
MULTI-MEASUREMENTS – In addition, check temperature and humidity levels while reading accompanying CO2 levels.
HEALTHY AIR & HEALTHY PEOPLE – Monitor and maintain adequate ventilation levels by opening windows to draw outdoor air and reduce CO2 levels to 450-500 ppm or less. Studies have shown air ventilation is more effective than even mask-wearing in reducing the transmissibility of any airborne pathogens.
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. 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.
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Product: Smart WiFi Air Quality Monitor,Work with App,Portable Indoor Gas Carbon Dioxide Sensor Meter Detector with Temperature and Humidity
Brand: Uniotzone
Color: Black
Description: Specification
Carbon Dioxide ValueResolution: 1 ppm
Range: 0 ~ 5000 ppm
Power Supply: 18650 Lithium Batter y / 2400 m Ah
Alert System: Comfort Level + LED Indicator + Buzzer
Charging Parameters: DC 5 V⎓1 A
Product Size: 83× 83×32 mm
Working Temperature: -10 °C ~ 40 °C
Temperature Range: -10 °C ~ 40 °C(±1°C)
Humidity Range: 20 ~ 80 (±5 RH)
Wireless Connection: Wi-Fi (only for 2. 4 GHz Wi-Fi Network)
Smart Life APP: Work with TUYA App

Packing List
1. Wi-Fi Smart Carbon Dioxide Detector × 1
2. 18650 Lithium Batter y × 1 ( built-in)
3. User Manual × 1
4. USB Cable × 1

Function

1. Full scale correction for the temperature measurement with the Non-dispersive infrared technology;
2. Temperature and humidity measurement;
3. Multi-mode alarms, such as LED indicator, buzzer and comfortable emoji;
4. Easy to operate with two buttons;
5. Built-in Lithium battery 18650 and support long working time;
6. USB charging;
7. Easy to stand on the table with the bracket;
8. Wi-Fi connection and remote detection (only for 2.4 GHz Wi-Fi Network).
Wi-Fi connection and remote detection (only for 2.4GHz Wi-Fi network), can be worked with TUYA App,you can view up to 2 years of history reading, the recording interval of cloud historical data is 1 hour；
Support up to 50 device networking, you can purchase multiple devices to monitor the CO2 value of different rooms;
Adopt NDIR dual channel carbon dioxide sensor,with temperature & humidity measurement,works quickly, stably；
Muti-mode alarms,such as LED indicator,buzzer and comfortablle emoji, when the detected CO2 value exceed 1500 ppm, the detector will buzzer for 3 times, which means the CO2 value is out of the safe scale；
Built-in 2400 mAh rechargeable battery,can last for 12 hours,packaged with one USB cable for charging.
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Product: Air Quality Monitor for CO2, CO2 Meter, Temperature, Humidity, Air Gas Detector for Home Office Car Gym, Easy Calibration, Carbon Dioxide Detector
Brand: Simbow
Color: PTH-5
Description: Thank you for purchasing the Simbow PTH-5 CO2 meter. If you have any questions, you can contact us through Amazon backstage at any time, our customer service will reply to you as soon as possible.
Function
1) Using non-dispersive infrared technology (NDIR), It can accurately detect the concentration of carbon dioxide in the room. Carbon dioxide is an important part of the air. Our products can detect the concentration of carbon dioxide in the range of 400ppm-5000ppm.
2) Temperature and humidity, you can short press button A to Switching temperature units between ℃ and ℉
3) Various air quality warning forms such as indicator lights and facial comfort expressions. You can always know the concentration of carbon dioxide in the room at any time
4) The screen backlight will automatically turn off in 10 minutes and wake with one key, you just need to short pressbutton B in the back of our products.
5)Large-capacity 18650 lithium battery, long battery life
6)Support USB charging method
7)There is a bracket stand on the back of this product, which is convenient to place on a flat surface of continuous monitoring
REAL-TIME MONITORING:This carbon dioxide detector can accurately monitor CO2 concentration, air quality, environmental humidity, and temperature in real-time. The indoor air quality meter is embedded with a high-performance chip with a precision infrared sensor. Indoor air quality can be monitored anytime and anywhere.
EXQUISITE APPEARANCE:This co2 monitor is simple in design, light in weight, easy to carry, 3.9-inch LED display, and is elegant. The simple design is suitable for any style of decoration. The graffiti emoticon package can intuitively display the current air condition.
CALIBRATION AVAIABLE: NDIR CO2 sensor supports easy calibration. Long press the AB button on the back for 200 seconds, the product will complete the automatic calibration, and the data will return to the initial setting value. To ensure the accuracy of the sensor, please be sure to place it in a ventilated environment (indoor or outdoor) before the first use or after long-term storage At least 6 hours.
DIFFERENT USAGE SCENARIOS: ​The portable smart carbon dioxide detector can help us detect the carbon dioxide content in the living room, kitchen, bedroom, office, school, car, hotel, travel, camping, party, etc. It is especially suitable for pregnant women, the elderly, and children.
WHAT DO YOU GET:PTH-5 CO2 detector*1 ;English user manual*1; USB data cable* 1. If you have any problems with the goods you received, please contact our support team as soon as possible. We will serve you wholeheartedly.
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Product: 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
Brand: Langkou
【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. Tips: Please let the device work short mins outdoor before use for most accurate results.
【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. 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).
【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. 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).
【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. the data can indirectly understand the presence of second-hand smoke and mold, which will send out an alarm for your health.
【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!
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Product: Indoor Carbon Dioxide Meter, Air Quality Monitor, Data Logger with NDIR Channel Sensor, Accurate Tester Kit for Home Office CO2/temperature/humidity Detector, 0~9999ppm Range
Brand: TZUTOGETHER
Color: White
Description: ➤Product description：
TZUTOGETHER Indoor CO2 Meter lets you quickly, accurately, and quickly test CO2 levels around your home. Move it from room to room to test CO2 levels in your house. High CO2 levels indicate inadequate or closed return air ducts, and Low CO2 levels indicate too much fresh air and wasted heating or cooling energy.
In addition to its CO2 meter, the MCH3 has an accurate digital thermometer and relative humidity indicator. Use it to test your child's bedrooms. High humidity in the summer or low humidity in winter can result in dust and even structural damage, different CO2 text colour to show the CO2 levels (Yellow, green , red)
The MCH3 could record 7 days of CO2/RH/Temperature, Log feature allows the user to see historical data of CO2/RH/Temperature recorded in the log at any point that is displayable on the chart. Our CO2 Monitor can be powered by almost any standard USB port that provides power, so you don't have to worry about power problems.
Specifications:
Color：black/white
Power supply:USB
Product material:PC + ABS plastic, PC plastic
Interface:320x480 pixels color TFT - capacitive touch
Sensors:CO2 ppm/temperature/humidity
CO2 Sensor Type:NDIR
CO2 Accuracy:22℃(72℉)±40ppm + Display*2%
CO2 Detective Range:0-9999ppm
Standby consumption:≤0.5 W
Dimensions (W x H x D):96 * 86 * 31.5 mm / 3.78 x 3.38 x 0.52 inches
Communications:Modbus RTU 9.6K, 1 stop bit, 8 data bits, 1 start bit. No parity.
Languages:English / Chinese / Spain / Italian / Russian / Polish / Czech / German / French/ Slovenski/Swedish/Portuguese
Package Included:
1 x Indoor CO2 Meter
1 x Adapter
1 x USB line
1 x manual
👍【Season Special】When there is no indoor ventilation, you can accurately and quickly test the indoor carbon dioxide for your health by using our carbon dioxide measuring equipment. At the same time, our detector can monitor the indoor temperature and humidity in real time, and the clock function attached to the detector can display the accurate time. It is the best choice for your healthy life!
👍【New Design】(1) The latest unique mold and design with 3.5-inch large TFT color capacitive touch screen; (2) NDIR SENSOR, high-performance chip to ensure higher detection accuracy. (3) One Machine Multipurpose, monitor multiple data at the same time, include CO2, temperature, humidity, time display. (4) Data Logger,Visual system logs chart for up to a week. (5) Equipped with ambient light sensor, can turn the backlight on and off automatically.
👍【Dual-Shannel NDIR Sensor】 The two-channel NDIR sensor used in the CO2 detector prevents communication of CO2 with other air and is characterized by its high accuracy, high reliability and long service life (up to 15 years).
👍【Alarm settings and data protection storage】 The alarm range can be customized, and the CO2 alarm value can be manually set. When the CO2 data exceeds the alarm value you set, CO2 detector will automatically sound to remind you. Besides, you can set a password for your carbon dioxide detector to protect your data, and then by connecting to a computer, you can view the CO2/temperature/humidity data chart of the last 7 days and export a txt file containing the data of the last 7 days.
👍【NDIR Dual-Channel Sensor VS Other Sensor】The service life of other sensors is generally only 1-3 years, while NDIR The dual-channel sensor has a service life of 15 years and is generally used in laboratory analytical instruments, durable and long service life.
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Product: GZAIR Model 2 Indoor CO2 Meter, Temperature and Relative Humidity Carbon Dioxide Detector, Air Quality Monitor, NDIR Channel Sensor, Data Logger, 0~5000ppm Range
Brand: GZAIR
Color: Black
Description: WHAT IS THE IMPORTANCE OF CO2 MONITOR?
CO2 is not an air pollutant, but it can still have a negative effect on us when levels are too high.
When levels rise, we tend to get sleepy and have trouble focusing, and some people even develop headaches.
For this reason, it is important for occupants to have CO2 monitor to stay at a healthy level.
MAIN FEATURE
❤ USB power supply, DC5V;
❤3.5” TFT color display, 480*320 resolution
❤Capacitive touch
❤Dual Channel NDIR CO2 sensor
❤NDIR life time 15 years
❤7 days CO2 history data diagram
❤7 days temperature history data diagram
❤7 days humidity history data diagram
❤With humidity sensor (+/- 3%)
❤With ambient light sensor
❤CO2 high, low alert message reminder
❤Auto ON/OFF via ambient light
❤C/F temperature display
❤Children touch-lock
❤Auto change daylight savings (DST)
❤Multi language
❤Night light option(Auto On/Off with ambient sensor)
❤Auto backlight dim with ambient light sensor
Technical Specifications
Power Supply voltage：USB Supply, DC5V;
Display：320x480 pixels color TFT - capacitive touch
Operating temperature：1° C- 85° C
CO2 sensor type：Dual Channel NDIR
CO2 accuracy：@22℃(72℉)±40ppm + Display*2%
CO2 detective range：0-5000 ppm
NDIR life time：15 Years
Displayed temperature resolution：0.1°C
CO2 High/Low alert settings interval：50 ppm
CO2 High/Low alert settings range：400 – 4500 ppm
Displayed CO2 resolution：1 ppm
Standby power consumption：≤0.5 W
Display dimensions ：76.5 X 52 mm(W/H)
Dimensions (W/H/D)：96 * 86 * 32.5 (mm)
Weight ：≤200 g
Enclosure rating：IP 21
Product material ：PC + ABS plastic
Dual-channel NDIR Sensor: Provide high accuracy and fast measurement response.
Data Logger & Export data: You can view up to 7 days of history reading. It allows you to change the tracking intervals to determine how often your device logs track points. And you can export data to a .txt file and save it on your PC.
Flexible Touch Screen: 3.5 inches large colorful TFT Capacitive Touch Screen, compact and elegant appearance.
PIN Code Access Feature: You can set up a screen lock to help secure your device.
Multiple Customization Options: You can customize the screen feature according to your preference, such as language, brightness, color, etc.
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Product: Langkou Air Quality Monitor Indoor CO2 Detector, Carbon Dioxide Monitor with Alarm Function, Pm1.0/2.5/10 Micron Particulate Matter Dust Temperature Humidity Detector, Built-in Rechargeable Battery
Brand: Langkou
Color: White
Description: With a CO2 Dioxide monitor, you will know the actual level of carbon dioxide in the room.

High levels of carbon dioxide often indicate inadequate ventilation. Low CO2 levels indicate too much fresh air and wasted heating or cooling energy.

In addition to carbon dioxide detection, this device can also measure temperature and relative humidity.

Product Specifications

Display method: Common Screen display

Atmospheric pressure: 86Kpa - 106Kpa

Detection method for Co2: Infrared (NDIR)

Detection method for PM: laser scattering

Sampling time: 1.5 seconds

Product Size:90 x90×50mm

Detection temperature: -10C to 50°C;

Relative humidity: 20%- 85%

Storage temperature: -10°C to 60°C;

Concentration unit for CO2:PPM

Concentration unit for PM: ug/m3

Power source: Lithium battery with 2000 mAh capacity

Product weight: 200g

Package Included:

1 x Air Quality Monitor

1 x USB Data line

1 x Manual
【Healthy Indoor Climate】: This air quality monitor combines advanced infrared (NDIR) and laser scattering detection sensors to monitor real-time carbon dioxide (CO2), particulate matter <2.5 microns PM2.5 / 1.0 / 10, temperature and humidity information. 24-hour real-time monitoring can ensure your air is safe and clean.
【Easy To Read】: The simple interface of the large LCD screen allows users to easily monitor carbon dioxide levels, and to know the gas concentration, temperature and humidity in the house air at any time. (PM1 / PM2.5 / PM10 reading Automatically switch every 5 seconds). Click the power button to switch between Celsius and Fahrenheit.
【Portable CO2 Detector】: 3.54x3.54x1.97inches, It's easy to carry. You can take it to wherever you want to monitor air quality. Quickly press the power button twice to turn on/off the alarm function (when turn on alarmfunction , it would beep sound once Co2 value more than 1000PPM)
【Rechargeable Battery】: Built-in 2000mAh lithium-ion battery, which can provide more than 10 hours of standby time, and the USB rechargeable function allows it to realize 24-hour real-time monitoring of air quality. Suitable for growth room, incubator, beer, hydroponics And family.
【Simple Operation】: Just one button operation to switch on/off, with a detailed instruction manual, it can be used easily by both the elderly and children. Only in a healthy and safe indoor environment can people or animals live comfortably and grow up healthily.
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Product: GZAIR Model 1 Indoor CO2 Meter, Temperature and Relative Humidity Wall Mountable Carbon Dioxide Detector, Air Quality Monitor, NDIR Sensor, Data Logger, 0~5000ppm Range
Brand: GZAIR
Color: Black
Description: WHAT IS THE IMPORTANCE OF CO2 MONITOR?
CO2 is not an air pollutant, but it can still have a negative effect on us when levels are too high.
When levels rise, we tend to get sleepy and have trouble focusing, and some people even develop headaches.
For this reason, it is important for occupants to have CO2 monitor to stay at a healthy level.
Product description
1200P CO2 Monitor is a desktop and wall mountable instrument that measures CO2 concentration in air.
The instrument displays the real-time value of CO2 concentration in ppm, temperature and relative humidity.
The measured CO2 value in ppm (parts-per-million) will be displayed on the LCD with tee states indication: Good (0 to 800ppm), Normal (800 to 1200ppm), Poor (>1200ppm).
It has built-in storage for continuous data logging.
Powered by USB
Features
❤ Monitor CO2 Carbon Dioxide concentrations
❤ Maintenace free NDIR (non-dispersive infrared) CO2 sensor
❤ Automatic Baseline Calibration (ABC) with disable feature for use in areas with continuously elevated CO2 levels (>400ppm)
❤ Triple LCD simultaneously displays CO2, Temperature and Humidity
❤Visible and Audible CO2 warning alarm when concentration level exceeds high or low user set point
❤ Min/Max CO2 value monitor
❤ Desktop or wall mount
❤ Complete with Universal usb cable
Specifications
Operating Temperature：32℉~122℉ (0℃~50℃)
Storage Temperature：-4°F ~ 140°F (-20°C ~ 60°C)
Operating & storage RH：0-95%(non-condensing)
CO2 Sensor
Measuringe range：(0-5000)ppm
Accuracy : ± 50ppm or ± 5% of reading
Warm-up time：<20 seconds
Temperature Measurement
Operating temperature：32°F ~ 195°F (0°C ~90°C)
Display resolution：0.1°F (0.1°C)
RH Measurement
Measuring range：5~95%
Accuracy：±5%
Accurate Detection: A High-Precision NDIR sensor is adopted in the detector. It works quickly, stably, and won't be affected by temperature or other conditions than outdated Chemosensor.
Data Logger with Trending Display: Built-in storage for continuous data logging, you can track trend data up to 7 days for CO2 concentrations, temperature, and humidity. And it displays the Max & Min value.
Two Detection Modes: Human and Plant. Human mode detects if you are in a healthy range. Plant mode detects whether the plant is growing in a good condition.
Tabletop or Wall Mount Use: Two use way, Wall-mounted or Tabletop design. You can set it on a stand or mount it on the wall with a mounting hole on the back.
Automatic & Manual Calibration: Offer two calibration modes, Manual Calibration, and Automatic Calibration. We have calibrated it manually in the factory, and it can automatically calibrate during the detection.
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Product: Airthings 2930 Wave Plus - Radon & Air Quality Monitor (CO2, VOC, Humidity, Temp, Pressure) 20 x 30 x 1
Brand: Airthings
Color: White
RELIABLE RADON RESULTS: As radon levels fluctuate daily, continuous long-term measuring is necessary. Airthings Wave Plus measures radon accurately and reliably
CLEAN AIR SENSORS: Radon, Carbon Dioxide (CO2), toxins and chemicals (Total VOCs), humidity, temperature and air pressure sensors allow you to gain full visibility into six key indoor air factors
EASY AND CLEAR RESULTS: Connect via Bluetooth to the Airthings App or log in to the Airthings Dashboard online for detailed insights into your air
POLLEN LEVELS : Live and local pollen data right in your Airthings App
EASY: Simply wave in front of the device to receive a color-coded visual indication of the overall air quality: Green (Good), Yellow (Fair), Red (Poor)
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Product: Carbon Dioxide CO2 Detector Monitor Meter Tester Sensor Temperature Humidity Indoor 9999ppm NDIR Air Quality IAQ Handheld Portable Digital Wet Bulb
Brand: TEKCOPLUS
Color: Hand Held CO2 Meter
Description: Shows CO2 level, temp. (°C/°F), Humidity, Dew Point & Wet Bulb. Auto/Manual power off, PC connection loggin and data analysis. Backlight, Hold data, Min/Max

Features:

1.Triple displays of CO2 level, temperature (°C/°F) and Humidity
2.Stable NDIR sensor for CO2 detection

Statistics of weighted averages

TWA (8 hours weighted average)

STEL (15 minutes-weighted average)

3.Updates reading every second on the meter, output to PC every 2 seconds

Specifications:

Measuring Range

CO2: 0~9999ppm

(2001~9999 out of scale)

Temperature : -10~60°C (14~140°F)

Humidity : 0.1% ~ 99.9%RH

Dew Point : -20.0~59.9°C

Wet Bulb : -5.0~59.9°C

Resolution : 1ppm,0.1°C/°F, 0.1%RH

Accuracy :

C02 : ±50ppm ±5% of reading (0~2000ppm) other ranges are not specified

Temp : ±0.6°C / ±0.9°F

Humidity : ±3%RH (at 25°C, 10~90% RH); ±5%RH (at 25°C, others)

Warm-up time : 30 seconds

Response time

CO2 : <30 seconds (90% step change)

Temp : <2 mins (90% step change)

RH : <10 mins (90% step change)

NO RELAY

Operating condition : 0~50°C, 0~95%RH (avoid condensation)

Storage Condition : -20~50°C, 0~95%RH (avoid condensation)

Set Includes:

1 x Portable CO2 meter
4 x AA batteries
1 x Power Adapter
English Operation Manual
Hard Carrying Case
MONITORING & ANALYSIS Allows continuous monitoring of CO2, RH & Temperature Level. Data output to PC every 2 seconds.
MULTIPLE MEASUREMENT DISPLAYS AT ONCE- CO2, Temperature, and Relative Humidity readings are all shown on the LCD display at the same time
NORMAL/ MAX/ MIN/ AVERAGE (15mins/ 8hrs) MODE- It can show not only the normal, maximum and minimum CO2 readings but also the weighted average CO2 readings in the past 15mins (STEL mode) and 8 hours (TWA mode).
AUDIBLE CO2 SOUND- The alarm beeps when the CO2 Level exceeds the preset value. The alarm threshold is adjustable.
NDIR SENSOR for CO2 DETECTION- Non-dispersive infrared technology is used to ensure the reliability and long-term stability. Measures 0~9999ppm while 0~2000ppm can maintain a high accuracy at +/- 50ppm
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Product: Indoor Air Quality 9999ppm Digital Carbon Dioxide Temperature Humidity NDIR Sensor IAQ CO2 Monitor WB DP Tester
Brand: Gain Express
Description: This meter notify CO2 level, Air Temperature, Dew Point (DP),
Wet Bulb Temperature (WB) and Humidity (RH) and is an ideal instrument for Indoor Air Quality (IAQ) diagnosis.

Features:

Backlight, Hold data, Min/Max
Dual power source, battery (inlcuded) or 9V adaptor (**note: adaptor is not included on set). Power from battery is automatically cut off when 9V adaptor is in use
Easy manual calibration on CO2 and humidity
PC connection for on-line loggin and data analysis (not included on set)
Manual calibration of CO2 and Humidity is available
Auto / Manual power off

Specifications:

Measuring Range
* CO2: 0~9999ppm (2001~9999 out of scale)
* Temperature : -10~60°C (14~140°F)
* Humidity : 0.1% ~ 99.9%RH
* Dew Point : -20.0~59.9°C
* Wet Bulb : -5.0~59.9°C
* Temp : ±0.6°C / ±0.9°F
Accuracy :
* C02 : ±50ppm ±5% of reading (0~2000ppm) other ranges are not specified
* Temp : ±0.6°C / ±0.9°F
* Humidity : ±3%RH (at 25°C, 10~90% RH); ±5%RH (at 25°C, others)
Response time
* CO2 : <30 seconds (90% step change)
*Temp : lt;2 mins (90% step change)
*RH : lt;10 mins (90% step change) LCD size : 26*44mm Operating condition : 0~50°C, 0~95%RH (avoid condensation)
Storage Condition : -20~50°C, 0~95%RH (avoid condensation)
Item Weight : 200g
Package Weight: 1.16kg
Package Size: 37cm x 23cm x 7cm

Set Includes:
1 x Main Unit
4 x AA batteries
English Operation Manual
Hard Carrying Case
Triple displays of CO2 level, Temperature (°F/ °C) and Humidity (Air, Wet Bulb, or Dew Point Info are all available)
Stable NDIR Sensor for CO2 Detection. Ideal indoor air quality meter for home, laboratories, hotels, etc
Sound Warning Alarm notifies operator when CO2 levels reach or exceed a preset threshold
Power Supplied by Battery (Included) or 9V Adaptor . Optional Software CD for PC Connection Online Logging is also possible.
Measuring Range:CO2: 0~9999ppm,(2001~9999 out of scale), Resolution : 1ppm,0.1°C/°F, 0.1%RH
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Product: CO2 Monitor Air Quality Monitor for Carbon Dioxide Humidity Tempeture NDIR Sensor CO2 Meter Controller with Relay Function for Grow Room Home Office
Brand: Gain Express
Color: CO2 Monitor with Relay Function
Description: Features:
Simultaneous triple result, displaying CO2 level, temperature and humidity
Stable Non-Dispersive Infrared (NDIR) Sensor for CO2 detection
It has triple LCD Display and programmable alarms and built-in Non-Dispersive InfraRed (NDIR) sensor that provides long term stable monitoring
Built-in relay that controls the ventilation system to automatically maintain the CO2 level that you set or specify
Statistics of weighted averages
TWA (Time-Weighted Average) 8 HRS
STEL (Short-term exposure limit) 15 Minutes
Visible & Audible (80db) CO2 warning alarm when CO2 concentration exceeds the set limits
Alarm Output Relay for ventilation control
ABC (automatic Baseline Calibration) and manual CO2 calibration
Long Time Drift Compensation
Selectable °C and °F
With Min/Max, Average Recall
Factory pre-calibrated and inspected for precision performance
Continuous monitoring
Large Triple Function LCD Display with digital readout
With calibration indicator and can be mounted on the wall or a desk
Professional-Grade testing tool
With 100V-240V power input and include power adaptor

Specifications:
Pressure Dependence: +1.6% reading per kPa deviation from normal pressure, 100kPa
Warm up: 30 seconds
Operating Condition: 0~50°C, 0~95%RH
Storage Condition: -20~60°C, 0~99%RH
Power Supply: 1A Output 12V AC Adaptor
Power Voltage : 100~240V

Set Incldes:
1 x Wall Mount Carbon Dioxide Monitor
12V Power Adaptor
English Operation manual
Standard packaging box
Built-in Relay Function: Controls the ventilation system to automatically maintain the CO2 level that you set or specify
Measuring Range: CO2: 0 ~ 2000ppm (2001~9999ppm, out of scale); Humidity: 0.0 ~ 99.9%; Temperature: -10.0 ~ 60.0 ° C (14 ~ 140 ° F)
Built-in Non-Dispersive InfraRed (NDIR) sensor: Provides long-term & accurate Continuous monitoring
Power Supply: 1A Output 12V AC Adaptor With 100V-240V power input and include power adaptor
Usage: Control CO2 level for grow room greenhouses, Monitoring air quality in schools, office, home, factories, hospitals, etc. and anywhere that need to keep the fresh air
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Product: CO2Meter RAD-0301 Mini CO2 Monitor, White
Brand: CO2Meter
Color: White
Mini desktop Co2 monitor
3 different led show current indoor air quality
Power via usb port or 120Vac wall plug (wall plug not included)
Indicator light alarm levels can be adjusted by user
Connect to pc with free software to log Co2 levels over time
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Product: Kidde Nighthawk Carbon Monoxide Detector, AC-Plug-In with Battery Backup, Digital Display
Brand: Kidde
Color: White
Protects during a power failure - carbon monoxide alarm contains a 9V battery backup in case of plug-in failure
Easy installation - plug can be installed in any outlet of your home; or use the attached extension cord to place on a table or shelf
Peace of mind - when CO detection is normal, a red dot appears in the lower right corner & blinks; includes a test button
Electrochemical sensing technology - CO alarm detects the presence of carbon monoxide gas, 85 decibel alarm & memory storage
UL Certified, 10-year limited warranty
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Product: IAQ MAX CO2 Monitor and Data Logger
Brand: CO2Meter
Description: The IAQ MAX CO2 Monitor and Data Logger is designed to measure and detect Carbon Dioxide, Temperature, Relative Humidity, and Barometric Pressure. It features a large modern Liquid Crystal Display (LCD) which showcases a 3-color code indicator (green/yellow/red) and real-time data logging capabilities for further analysis. The IAQ MAX is ideal for monitoring indoor air quality in homes, offices, classrooms, or anywhere occupant comfort can be created to ensure healthier and pleasant work and living space. With the IAQ-MAX you can take advantage of answering the "fresh air" problem of modern, sealed buildings all while ensuring energy savings by up to 30%! **Please reference the included IAQ-MAX manual for the step-by-step calibration process, customer configurable setting options (date/time/temperature/calibration), and temperature off-set to correct inaccurate temperature readings.** Please note, should you have any specific questions regarding device display, charging, calibration, or settings please reference the IAQ-MAX manual. **This device does not include PM2.5, PM10, or VOCs. Only CO2, Temp, %RH, and Baro.**
Large LCD display to show CO2, Temp, %RH, and Baro
Customer Configurable Settings for Date, Time, Temperature, Calibration,
3-color code air quality indicator (poor/ok/good)
Built-in Data Logging Tables and Free Software for Analysis
Does not include power supply, USB only
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