124. Specifications4.1. RecorderItems DescriptionsMeasurement method Oscillometric measurement methodPressure detectionmethod Semiconductor pressure sensorPressure display range 0 to 299 mmHg (299 mmHg or more is hidden )Measurement accuracy Pressure : ±3 mmHgPulse rate : ±5 %Minimumdisplay divisionPressure : 1 mmHgPulse rate : 1 beat / minuteMeasurement rangeSystolic pressure : 60 to 280 mmHgDiastolic pressure : 30 to 160 mmHgPulse rate : 30 to 200 beat / minuteDepressurization Constant exhaust with controlled leakage valvefor safety mechanismExhaust Electromagnetic valvePressurization method Micro-pumpAutomatic pressurization 85 to 299 mmHgInterval time ( of A-BPM )Intervals at each section which divides 24hours to six parts at the maximum.Interval : OFF, 5, 10, 15, 20, 30, 60, 120 minutesClock 24 hour clockDisplayA-BPM :OLED, 96 x 39 pixels, white charactersS-BPM :LCD, 40 x 50 mm, Display : systolicpressure, diastolic pressure, pulse rate,clock, error, status monitor and symbols