BME688 measuring gas concentration measurement

[fatatra]

Hi,

Is the BME688 can do qantitive measure of gas concentrations?

In your example, you train the model for presence/absence (coffe/not coffe). But if i want to measure the concentration in PPM or % of a gas, is it possible?
If yes, what training should you provide to reach that result?
Kind regards

[BSTRobin]

Hi fatatra,

What type of gas concentration do you want to measure?

[fatatra]

Hi BSTRobin

I want to measure Carbon monoxide.

Best regards

[BSTRobin]

Hi fatatra,

As you see from BSEC output values, currently BSEC can support outputing equivalent CO2 concentration.
For carbon monoxide, BSEC only supports identifying it and does not support detecting concentration.

[fatatra]

Hi BSTRobin,

I really can't get my head around how to get a concentration. All i can see in your manual, is how to train the sensor to  recognise a gas a put a label to it, nothing about concentration. Can you point me towards some help?
Kind regards

Mederic