The MDF® Bravata® Palm Aneroid Sphygmomanometer is the teamwork of two renowned masters, MDF® Instruments and Bachmaier & Klemmer™. The German-made high-precision movement of the gauge and extra-large easy to read dial, ensure a dependable and accurate reading. Calibrated at six pressure points and stress-tested over 3,000 times before it leaves our factory floor, it is one of the most durable, accurate, and dependable blood pressure measurement devices available today, meeting all the highest technical standards in the world.