CO2 Sensor SEN0159: Initital Calibration
cocosnuss 2018-07-24 16:50:46 4239 Views7 Replies Hello everybody,
I have problems understanding what to do before the first use of the CO2 sensor. I found this instruction: https://www.dfrobot.com/wiki/index.php/ ... KU:SEN0159
Does that mean that I have to power the sensor with my microcontroller for 48 h before actually measuring something?
I appreciate any help, thanks!
I have problems understanding what to do before the first use of the CO2 sensor. I found this instruction: https://www.dfrobot.com/wiki/index.php/ ... KU:SEN0159
Does that mean that I have to power the sensor with my microcontroller for 48 h before actually measuring something?
I appreciate any help, thanks!
2024-03-01 20:49:20 SoundClound.To Mp3
To start, let the SEN0159 CO2 Sensor breathe in fresh air for initial calibration, ensuring accurate baseline readings. Then, fine-tune the zero-point calibration to get precise CO2 measurements.
SoundClound.To Mp3 2024-02-27 18:18:12 Hiran
One doubt regarding the same: Running 48 hours in a clean (say, as good as outdoors) is fine. But how do I get the second value (mV with respect to 1000ppm) as mentioned in https://www.dfrobot.com/wiki/index.php/CO2_Sensor_SKU:SEN0159? I mean how to get a 1000ppm environment?
Hiran Yeez_B
wrote:
2024-02-28 17:48:10 1 Replies
I don't think the second value is accurate for 1000 ppm. Rather, it's the pressure drop that occurs when the sensor goes from clean air (<400ppm) to 1000ppm air.
This value tends not to be different from sensor to sensor.
So it is a fixed value.
2018-08-02 22:01:48 Thanks! What is the best way to power it for that time? I don't have a battery available so could I just connect it to my Raspberry Pi or my Adafruit Feather Wifi? cocosnuss
cocosnuss 2018-08-01 17:18:57 Yes, it is the process of preheating, you need to do that before using. robert.chen
robert.chen 
