The blood pressure measuring device is a portable aneroid Riester Big Ben - 1478

For both the doctor and the patient, an easy-to-read measurement with large dimensions (diameter 147.2 mm or □ 145.5 mm) high contrast display screen blood pressure measurement up to 300 mm Hg wide strap on the back or on a mobile stand for tubes and cuffs free latex version available German engineered air release valve with precise adjustment small filter to protect the release valve and measurement system to prevent contamination of internal mechanisms wall mounting clip made of reinforced ABS plastic: as strong as steel. Precise mechanism mounted on a special support, to ensure full stability of the blood pressure measurement system and the zero point for calibration and consistent, accurate readings maximum allowable error is ±3 mm Hg approved by BIHS validation