I have 3 newborn Kahki Campbells in the coop with their mom... I don't know anything about humidity levels on a machine, but having seen her I suspect the reason you are seeing conflicting info is that there is latitude in the levels. Humidity is based on how wet her feathers are, if she is in...
@Miss Lydia
@nuthatched
@Isadora
@Canadian Wind
Apologies if I tagged you and it was not your specialty... New babies and a panicking human is sometimes urgent