blood pressure monitor manufacturers apparatus according to claim 1
, wherein said peripheral pulse wave detecting device comprises a photoelectric pulse wave sensor including a light-emitting and a light-receiving element, the light-emitting element emitting, toward a body surface of the subject, a light including a wavelength which can be reflected by hemoglobin present in blood of the subject, the light-receiving element receiving the light scattered by the hemoglobin from the body surface of the subject.