English 15MaintenanceDo not open the device. It uses delicate electrical components and anintricate air unit that could be damaged. If you cannot fix the problemusing the troubleshooting instructions, request service from your dealeror from the A&D service group. The A&D service group will providetechnical information, spare parts and units to authorized dealers.The device was designed and manufactured for a long service life.However it is generally recommended to have the monitor inspectedevery 2 years, to ensure proper functioning and accuracy. Please contacteither your authorized dealer or A&D for maintenance.Technical DataType UA-851Measurement method Oscillometric measurementMeasurement range Pressure: 20 - 280 mmHgPulse: 40 - 180 beats / minuteMeasurement accuracy Pressure: ±3 mmHg or 2%, whichever is greaterPulse: ±5%Power supply 4 x 1.5V batteries (R6P, LR6 or AA)or AC adapter (TB-233) (Not included)Classification Type BFClinical test According to ANSI / AAMI SP-10 1987EMC IEC 60601-1-2: 2001Memory Last 90 measurementsOperating condition +10°C to +40°C / 30%RH to 85 %RHStorage condition -10°C to +60°C / 30%RH to 85 %RHDimensions Approx. 150 [W] x 156 [H] x 120 [D] mmWeight Approx. 480 g, excluding the batteriesAccessory AC adapter The adapter is to connect the blood pressuremonitor to a power source at home.TB-233 Please contact your local A&D dealer forpurchasing.Note: Specifications are subject to change without prior notice.