Hi, I am doing some test with two different laser PM sensors. This one from Seeedstudio HM3301 and one from Nova Fitness SDS011.
I get values from grove sensor 10 times bigger than the ones from SDS011. Sensors are laced in the same room. I am using Arduino and Seeed’s library.
PM2.5 test. Orange Seeed. Green Nova
[attachment=2]pm25_Nova_Seeed.JPG[/attachment]
PM10 test. Orange Seeed. Green Nova
[attachment=1]pm10_Nova_Seeed.JPG[/attachment]
What do you think? Specifications are similar
[attachment=0]specifications.JPG[/attachment]
