Desk Model Sphygmomanometer

Maximum error tolerance of +/-3mmHg Precision glass column Internal diameter 4.2 mm +/-0.2 mm Latex bulb with chromium plated air release valve Precision air release valve, wear-free and with ine regulation Microilter for long life Nickel plated metal parts Cuf with two-tube latex bladder Easily legible metal scale up to 300mmHg Mercury lock