The ri-san® high-quality, palm-style sphygmomanometer is the embodiment of ergonomic design. The air release valve is conveniently regulated by finger-tip control. Also optionally available in a latex-free version (when ordering enter LF for latex-free). Palm-style model, single-tube analog sphygmomanometer Latex-free bulb for pumping up the cuff Tube connection at the top of the pressure gage for unhindered blood pressure measurement Suitable for right or left handed users Precision air release valve with fine adjustment and wear-free Microfilter protects air release valve and measuring system Specially tempered copper-beryllium diaphragm, almost non-aging The precision movement guarantees reliable measurements Diaphragm can be pressurized up to 600 mmHg Easily legible scale Ø 64 from 0 to 300 mmHg Maximum error tolerance of +/- 3 mmHg In vinyl zippered case Comprehensive selection of different sizes and versions of cuffs