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
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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