CO2 sensor for 0 to 5000 ppm range

Hi,

Can someone suggest to me a good sensor to detect CO2 in the range of 0 to 5000 ppm? thank you all in advance.
Baljeet

We’ve had good success with the SD30:

We’ve also used the K30:
https://www.digikey.com/en/products/detail/senseair/030-8-0010/13535296?utm_adgroup=Gas%20Sensors&utm_source=google&utm_medium=cpc&utm_campaign=Shopping_Product_Sensors%2C%20Transducers_NEW&utm_term=&utm_content=Gas%20Sensors&gclid=CjwKCAjwo4mIBhBsEiwAKgzXOBuHkxuZeZVoPb_OpOzgjVek7p_Eedw4Omh1dPkB60KLtoZdLdGOPhoCmSEQAvD_BwE

If you’re not in the Discord, that’s a good place for these discussions, too.