Product Information
- Dear customer, please read carefully before purchasing: 1. This instrument is only for household use and is not a professional measuring instrument. Due to the use of cost-effective semiconductor sensors in this instrument, it is susceptible to external environmental interference during measurement. The measured values are only for reference purposes and are not intended for professional measurement equipment. They are only suitable for use in situations where the accuracy of the instrument is not high.
- 2.After exhaling with your mouth towards the instrument, the value will increase and an alarm will sound, which will take some time to return to normal. The value measured by the instrument needs a period of time to react from high to low values. It is recommended to restart the instrument. 3. The instrument has two modes of power supply: USB and battery. In general, USB power mode is used. Due to the high power consumption of carbon dioxide detectors, battery power supply is only used in rare cases and is not recommended.
- 【℃/℉ switching】Press the ON/OFF key ON the right twice to set the temperature Unit: °C/°F" conversion, long press 2 seconds about shutdown.
- CO2 detection range: 400-5000ppm；Temperature measurement range: 0~50 ℃；Humidity measurement range: 0-99% RH；4-color LED display and real-time data display
- No need to calibrate after starting up, work and detect automatically. The sensors of some models work intermittently which wont affect the product itself.Widely used in indoor homes, educational institutions, fitness venues, and offices
- There is a protective film on the product screen.Before use, please remove the film on the screen surface first,this will make the screen clearer
