Adjustable Aneroid Sphygmomanometer. If you want a sphygmomanometer that offers superior performance and unsurpassed quality, look no further than the Aneroid Sphygmomanometer. This manual inflation blood pressure monitor is similar to those used in doctors’ offices and hospitals. It comes with all you need to start taking your blood pressure at home. It comes with a mini-screwdriver and is specifically designed so you can easily set the gauge to 0, if needed It features a calibrated blue nylon cuff that is comfortable on your arm. Doctors, nurses, pediatricians, EMTs and other medical professionals will enjoy its professional look and style. This sphygmomanometer also comes with a convenient deluxe zippered carrying case. Get professional accuracy without the need for electronics or batteries! How to Set the Gauge to 0: Insert the mini screwdriver into the stem of the gauge and turn until the needle returns to 0 Features. Sphygmomanometer combines superior performance and professional quality.