Top 8 Best Co2 Tester

Combustible Gas Leak DetectorThe TopTes PT199 is suitable for LPG, methane, ethane, propane, butane, natural gas, coal gas, gas fuel, liquefied natural gas, etc., and it will exactly pinpoint a leak, reducing the risk of gas explosion and keeping your family and property safe. Visual Audio Gas AlarmThe gas detector employs both visual alarm and audible alarm as fast as 0.5 seconds of detection. When the bar graph increases and the detector beeps, you know gas has been detected. The alarm increases with the amount of gas, and the LCD screen will turn red when the gas concentration is high. Batteries Included Easy to UseThe TopTes PT199 comes with 2x AAA Alkaline Batteries, so you will be able to set the detector up and have it ready as soon as you receive it. The system warm-up time is about 30 seconds. The low battery indicator will engage when battery voltage is below 2.4V. Automatic power off after 5 minutes without operation or gas detection. Compact DesignPocket-sized with a pen hook that allows you to carry it in your shirt pocket. The non-slip texture and material make it easy to hold. With included storage bag, the natural gas detector is also easy to store. It is a great tool for RV-ers, DIY-ers, homeowners with gas appliances, and so on. Saves you from paying hundreds of dollars in diagnostics or wasting gas in an undetected leak. What You Get1x PT199 Gas Leak Detector, 1x Storage Bag, 2x AAA Batteries, 1x User Manual. Combined with Amazon's excellent delivery service, we provide a 36-Month after-sale service and lifetime technical support. Please feel free to contact us if you have any questions or concerns.

Carbon Monoxide DetectorTopTes CT-300 is an ideal portable CO tester to help you detect CO gas concentrations timely and accurately, reducing the risk of CO poisoning and protecting your life. It is a must-have tool for homeowners, drivers, campers, DIY-ers, tourists, etc. Swift Precise MeasurementThe CT-300, with an advanced electrochemical sensor head, swiftly detects CO levels from 0-5000 ppm. Its sensitivity ensures early warnings, allowing timely actions to prevent health risks. Accurate readings empower quick decisions, promoting safety and well-being. Versatile and portable, it guards against CO in various settings, ensuring peace of mind. Visual Audible AlarmThe travel CO detector uses both visual and audible alarms. When the concentration of CO reaches the alarm threshold, the screen changes color and emits an urgent alarm sound to alert you of the presence of CO gas in your surroundings, allowing you to promptly detect the danger, protect yourself. User-Friendly FunctionsWith high-quality ABSPC material and anti-slip edge texture, CT-300 is durable and portable It can be used for 40 hours with new batteries Low-power indicator will remind you of time to change batteries It will automatically switch off when not in operation or when no gas is detected within 10 minutes to save power Backlit screen for easy viewing, adaptable to dim environments. What You Get You will receive 1x CT-300 Carbon Monoxide Detector, 1x Protective Case, 3x AAA Batteries, 1x User Manual. We also provide a 36-month after-sale service and lifetime technical support. Please feel free to contact us if you have any questions or concerns.

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 RangeCO2 09999ppm,20019999 out of scale, Resolution 1ppm,0.1CF, 0.1RH.

Easy-to-use CO meter detects and measures concentration levels of carbon monoxide gas. Portable CO detector with user protection and short-term exposure limit STEL alarm. Low level alarm 35 ppm and high level alarm 200 ppm. Audible and visual alarms. Backlit display with CO measurements 0 to 1000 ppm and temperature Farenheit and Celcius. Auto-power off after 20 minutes of no usage helps conserve battery life. Includes carrying pouch and 4xAAA batteries.

Bezel Less LED Screen The KOPUO air quality tester boasts 3.5 inch LED Screen and an elegant profile. The minimalist design makes it look elegant and sleek anywhere. It is suitable to be placed anywhere and can be used as a decoration.. Upgrades High-Precision Data Range The air quality tester devices has built-in advanced Infrared NDIR laser scattering detection sensors. Working Temp33.8F-185F, Indicator lights, simulation bars and facial expressions indicate multiple air quality levels. Note The CO2 level of the air is not a fixed data,it's changing in a range anytime, so the reading in the display is fluctuating.. Upgrade Air Quality Monitor CO2, Temperature, Humidity,Time,AQI. Large and clear reading, with 3-color indicator AQI, All can accurately know the environmental quality immediately from wherever you look at it. Improved indoor air quality monitors can accurately detect a wide range of substances in the air.. Long battery life Auto Alarm FunctionThe 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. When the air pollution index exceeds the standard, it will automatically remind of the alarm, The function key quickly to turn onoff the automatic alarm function An alarm will be issued when the CO2 reading exceeds 1000ppm.. Portable Easy Operation Just one button operation to switch onoff, A portable detector the size of a palm, is easy to carry and can detect the gas quality in living room, bedroom, school, office, kitchen, car, hotel, campground etc. environment. In addition We will serve you wholeheartedly within 24 hours..

PREMIUM DETECTOR This multifunctional air quality monitor can accurately detect the current CO2 concentration, temperature, and humidity in the air. It can help you understand indoor air quality at a glance.. CO2 CONCENTRATION STAGE SOUND ALARM This CO2 detector is designed with 3 stages of CO2 concentrationnormal stage 400-700 ppm, warning stage 700-1500 ppm, and dangerous stage 1500-5000 ppm. It will alarm you when the detected CO2 concentration is beyond the safe value you customized.. CONVENIENT CALIBRATION To ensure the accuracy of measurement, this CO2 monitor supports the calibration function. Press three buttons at the same time in an open environment and let it stand for 200 seconds to calibrate this CO2 meter easily. This CO2 detector uses the NDIR CO2 sensor.. LONG BATTERY STANDBY A 2400 mAh lithium battery is embedded inside the indoorCO2 monitor, supporting a long time of continuous use, before it adopts a large and distinct LCD screen for ease for temperature or data viewing. display based on your need.. WIDE APPLICATION A hanging hole is designed on the back of this portable CO2 detector so that you can hang it up to the wall for easy viewing. The indoor CO2 meter for grow tents is ideal for use in grow room, offices, kitchens, schools, kitchens, schools cellars, and cars..

Accurate Reliable With this CO2 detector, you can test the CO2 concentration indoors precisely and quickly in order to protect your health. In addition to carbon dioxide measuring devices, the high-precision thermometers and hygrometers can also be used to monitor indoor temperature and humidity in real time.EPA Establishment N.O 98615-CHN-1. High-Precision CO2 Sensor Use of non-dispersive infrared technology NDIR, full temperature range correction, high measurement accuracy, fast response, resolution up to 1 ppm that can accurate detect air of Carbon DioxideCO2, measuring range up to 0 to 5000 ppm.. Newest Unique Mold Design The indoor air CO2 meter has two types of air quality warning, namely a three-color LED indicator light and a comfortable CO2 concentration in the facial expression, which makes the air quality more intuitive. Rechargeable lithium battery with a capacity of 2400 mAh, standby for 18 hours, supports USB charging and battery indicator.. Stylish Appearance Exquisite appearance, simple design, light weight. It's easy to carry the intelligent air quality monitor that can help us detect the gas air pollution in household, kitchen, bedroom, office, school, car, hotel, travel, camping, party etc...especially in which has baby, child and pregnant woman.. 24 Hours Customer ServiceOur CO2 detector has a 12-month guarantee and lifetime technical support. If you have any problems with the goods you receive, please contact our support team as soon as possible. We will serve you wholeheartedly within 24 hours..

Multifunctional Air Quality MonitorThis 5 in 1 CO2 monitor can detect real-time accurate detect air of Carbon DioxideCO2, FormaldehydeHCHO, Volatile Organic CompoundsTVOC, CO, AQI. CO detection range 0-2400PPM. CO2 detection range 0-5000PPM. HCHO detection range 0-1.999mgm. TVOC detection range 0-12mgm.. Full-Color LED Screen DisplayWith 5.5 inch LED screen digital display design, this air quality monitor is super easy to read and shows clearly real time data. The battery displays three color states green, orange, and red. Green indicates sufficient power. Orange indicates half of the battery. Red indicates insufficient powerNeed charge it in time.. Large Capacity Rechargeable BatteryThe air quality detector has a built-in large capacity rechargeable battery, standby up to 5hours. You can check the air quality from anywhere, or have the device continuously monitor at a specific location. It will always take care of you and your family health.. Easy To OperateOnce turn on the air quality meter, it will automatically measure the surrounding air quality for you.The air quality detector has three easy operation buttons. ON-OFF Long press 3 seconds turn on or off. ANEW Long press 3 seconds to reset instrument calibration. RESET Long press 3 seconds data to clear and new detection.. Multi ApplicationThis air quality monitor is suitable for home air detection, car air detection, maternal and child room air detection, and public place detection, perfect for indoor home, school, office, and other occasions. We offer 3 months free return and lifetime warranty for our air quality monitor..

MULTIPLE DETECTABLE GASES - For everyone,It's necessary to know the air quality of the place where you live.Upgraded indoor air quality monitor built in DART electrochemical sensors that can accurate detect air of Carbon DioxideCO2, FormaldehydeHCHO, Volatile Organic CompoundTVOC. Those readings involve detection of toluene, harmful chemical substances and pollutants in the air such as carbon dioxide, carbon monoxide,smoke,fog,dust,ink and others.. NEW DESIGN - Newest unique mold and design with 5.5 inch LED Screen Digital Display Size about 4.9 3.1 1.3. 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.. EASY TO OPERATE Just press the power on off button 3 seconds, you can easily operate this air monitor, designed with LED digital display, can provide the average value of each gas, real-time detection of harmful HCHO and TVOC in the room.It's easy to carry the intelligent air quality monitor that can help us detect the gas air pollution in household, kitchen, bedroom, office, school, car, hotel, travel, camping, party etc...especially in which has baby,child and pregnant woman.. 2000mAh RECHARGEABLE BATTERYBuilt with 2000 mAh rechargeable battery and packaged with one USB cable, the standby time can last for 8-10 hours.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. Built-in low power consumption processing chip, can carry on long time uninterrupted monitoring to air quality. It will always take care of you and your family health.. KINDLY NOTE- Please be aware this air quality monitor is for home indoor place, please kindly close door and window before testing. We do recommend using the monitor as a stationary unit and focus on long timeat 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..

Multifunctional Carbon Dioxide TesterThis 3 in 1 CO2 monitor can detect real-time CO2 concentration, monitor indoor and outdoor humidity, and temperature. CO2 detection range 400-5000PPM. Temperature detection range 0-50. Humidity detection range 0-99RH.. Full-Color Large ScreenWith full-color display and large screen design, this carbon dioxide detector is super easy to read. LED digital display with intelligent backlight, eye protection function, one key operation.. Large Capacity Rechargeable BatteryThe CO2 detector has a built-in large capacity rechargeable battery, standby up to 40hours. You can check the air quality from anywhere, or have the device continuously monitor at a specific location.. More functionsIntelligent early warning system, high quality infrared NDIR sensor, multiple interference prevention, air convection technology, greenhouse compensation calibration.. Multi ApplicationSuitable for agricultural planting, production warehouse, raw material processing, home, school, office, and other occasions. We offer 3 months free return and lifetime warranty for our CO2 detector..

 Know Your AirYVELINES 2021 Newest Indoor Air Quality Monitor built in DART Electrochemical Sensors will provide you trustworthy measurements such as air of Carbon DioxideCO2, FormaldehydeHCHO, Volatile Organic CompoundTVOC, Particle MatterPM2.5PM10.Those readings involve detection of toluene, harmful chemical substances and pollutants in the air such as carbon dioxide, carbon monoxide,smoke,fog,dust,alcohol,glue,paint,ink and others..  2021 Newly Design2021 Newly design placement air monitor built with LCD Color Screen Digital Display. 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. It also can offer mean value for each air and overall environment quality color indication which will let you know you need to take some actions if you air is unsafe..  Rechargeable Battery YVELINES Air Quality Tester has a 2000mAn rechargeable lithium battery and packed with USB cable that can last up to 8 hours. Built-in low power consumption processing chip, can carry on long time uninterrupted monitoring to air quality. It will always take care of you and your family health..  Your Health AssistantYVELINES CO2 Formaldehyde HCHOTVOC and PM2.5PM10 real time gas monitoring to prevent any respiratory disease. Size about 5.83 2.76 1.18 It's easy to carry the intelligent air quality monitor that can help us detect the gas air pollution in household, kitchen, bedroom, office, school, car, hotel, travel, camping, party etc...especially in which has baby,child and pregnant woman..  Kindly NotePlease be aware this air quality monitor is for home indoor place. We do recommend using the monitor as a stationary unit and focus on 30 and 60 minute mean values and overall environment quality indication because long-term monitoring, the real-time data exist instability. 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 we will always be your site..

Multi-function VIVOSUNs air quality tester can accurately detect the levels of CO2, Formaldehyde HCHO, Volatile Organic Compound TVOC, Particle Matter PM2.5PM10 in the air to help you to prevent air pollution in your living space. Alarm System Data will be clearly shown on the LCD screen, so you could straightly know the air condition When you are living in a fresh air space, the indicators on the screen will be shown as green When the air quality gets worse, the air pollution part will be shown as yellow, or red. Simple Operation No complicated steps but need calibrate the meter when you first start to use, pressing the functional button then all the data and indicators will be shown on one full page, making you read easily all the real time readings at the same time. Real-time Average Value Gathering data from the surroundings, the detector will provide a real-time assessment report Also average data will be available in the mode you choose for long-term reference. Easy to Carry Designed in a small size and weight of 0.66 pounds, our air quality meter can be easily carried to anywhere you want, such as cars, offices and other closed spaces, saving your time and energy especially when there are a lot of places waiting to be tested.