(a) These instruments serve merely as screening devices.
(b) They should not be used as a substitute for professional medical consultation.
(c) Blood pressure is subject to variation for many reasons. A single high or low reading cannot be interpreted as an indication of a health problem.
(d) Blood pressure readings can only be interpreted by a qualified medical professional. Self diagnosis may be hazardous. 2. A violation of any of the provisions of subdivision one of this section shall be punishable by a civil penalty of not more than two hundred fifty dollars.