Handheld, portable aneroid sphygmomanometer with shock-resistant technology, meeting standard DIN EN 81060-1:2012-08, validated by the British and Irish Hypertension Society. Tested to be shock resistant to a height of 1m (39.37"), providing reassurance that it will remain accurate even after impact. Precision air-release valve with fine adjustment; wear-free. Microfilter protects air-release valve and measuring system. Diaphragm pressure-loading capacity up to 600mmHg. Specially tempered copper-beryllium diaphragm with precision movement is almost non-aging. Ergonomically shaped handle with spoon made of stainless steel. Latex-free.