... for ultrasound28bpmUS frequency1MHz±5%HzTOCOMeasurement methodStrain gauge sensor elementSensitivity 1 unit =2.5gResolution1 unitMeasurement range500 unitsBaseline setting0, ... 300bpmResolution1bpmAccuracy±1bpm/ ±1%LeadsI, II, III, avL, avR, avF, VSweep speed12.5mm/s, 25mm/s, 50mm/sGain ... selectionx 0.25, x0.5 ,x1,1, x2Operation modediagnostic, monitor, ...