21“Lo”. In such cases, you should seek medical assistance and checkthe accuracy of your procedure.The limit values for the technical alarm are factory set and cannotbe adjusted or deactivated. These alarm limit values are accordedsecond priority under the standard IEC 60601-1-8.The technical alarm is a non-locking alarm and must not be reset.The signal shown on the display will disappear automatically afterabout 8 seconds.8. Cleaning and Care• Clean your blood pressure monitor carefully using a slightly dampcloth only.• Do not use any detergents or solvents.• Never hold the instrument under water as otherwise liquid canpenetrate and damage the instrument.• Never place any heavy objects on the instrument.9. Technical detailsModel no. SBC 23MeasurementmethodOscillometric, non-invasive blood pressuremeasurement on the wristMeasurement range Cuff pressure 0 – 300 mmHg,systolic 60 – 260 mmHg,diastolic 40 – 199 mmHg,Pulse 40 –180 beats/minuteDisplay accuracy Systolic ± 3 mmHg,diastolic ± 3 mmHg,pulse ± 5 % of the value shownMeasurement inac-curacyMax. permissible standard deviationaccording to clinical testing:systolic 8 mmHg /diastolic 8 mmHgMemory 60 memory spacesDimensions L 85 mm x W 64 mm x H 24 mmWeight Approx. 104 g (without batteries)Cuff size 140 to 195 mmPermissible operatingconditions+10 °C to +40 °C, ≤85 % relative air humidity(non-condensing)