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PN values are cumulative for Sensirion PM sensors

Open oscgonfer opened this issue 8 months ago • 0 comments

PN values are reported as cumulative bins, which is not the common format in any other device (for instance GRIMM)

They'd need to be substracted from each other as:

    PN_10_CORR = PN_10 - PN_4
    PN_4_CORR = PN_4 - PN_25
    PN_25_CORR = PN_25 - PN_1
    PN_1_CORR = PN_1 - PN_05

oscgonfer avatar May 06 '25 12:05 oscgonfer