I don't have a still air incubator so can't help there.
But have you calibrated the thermometer/hygrometers that you put in there? if not then that is probably why you are getting different readings is becaue they aren't reading the correct temps/humidity either. So I would start there.
But have you calibrated the thermometer/hygrometers that you put in there? if not then that is probably why you are getting different readings is becaue they aren't reading the correct temps/humidity either. So I would start there.