The 90297 Ultralite ABP systems feature compact, lightweight designs that optimizes patient comfort a key factor in successful ABP monitoring. Comfort helps ensure patient compliance and may decrease the number of incorrect readings. Collects measurements for a period of 24 hours or up to eight days. Lightweight, quiet operation. Oscillometry measures systolic, diastolic and mean blood pressure. No chest electrodes or microphones reduce operating costs. Uses a real-time clock to facilitate diary notations.