Instruction manual

English 19
Maintenance
Do not open the device. It uses delicate electrical components and an
intricate air unit that could be damaged. If you cannot fix the problem
using the troubleshooting instructions, request service from your dealer
or from the A&D service group. The A&D service group will provide
technical 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 device inspected
every 2 years, to ensure proper functioning and accuracy. Please contact
either your authorized dealer or A&D for maintenance.
Technical Data
Type UA-855
Measurement method Oscillometric measurement
Measurement range Pressure: 20 to 280 mmHg
Pulse: 40 to 180 beats / minute
Measurement accuracy Pressure: ±3 mmHg
Pulse: ±5%
Temperature unit °C or °F
Temperature accuracy ±2°C (-15°C to +49°C)
Power supply 4 x 1.5V batteries (R6P, LR6 or AA) or
AC adapter (TB-233) (Not included)
Number of measurements Approx. 450 measurements, when AA alkaline
batteries are used, with pressure value of 180
mmHg at room temperature of 23°C
Classification Type BF
(Supplied by batteries) /
Class II (Supplied by adapter)
Clinical test According to ANSI / AAMI SP-10 1987
EMC IEC 60601-1-2: 2007
Memory Last 120 measurements each for user 1 and 2
Operating condition +10°C to +40°C / 15%RH to 85 %RH
Transport / Storage conditions -10°C to +60°C / 15%RH to 85 %RH
Dimensions Approx. 150 [W] x 156 [H] x 138 [D] mm
Weight Approx. 555 g, excluding the batteries