Precautions For Use - Nissei WS-820 Instructions Manual

deflation control valve maintains the constant deflation rate irrespective of
differences in wrist size. A memory circuit stores the 30 most recent
measurements for comparison.
WS-820 meets the stringent requirements of German Hypertension
League to carry its quality marking.
SPECIFICATIONS
Model : WS-820
Operating Principle : Oscillometric method
Indicator : 12 digit Liquid Crystal Display
Pressure Indication Range : 0 to 300 mmHg (cuff pressure)
Measuring Range : 50 to 250 mmHg (systolic)
: 40 to 180 mmHg (diastolic)
: 40 to 160 pulses/min. (pulse rate)
Accuracy : ±3 mmHg (cuff pressure)
: ±5 % of reading (pulse rate)
Inflation : Automatic (air pump)
Deflation : Automatic (electric control valve)
Exhaust : Automatic quick exhaust valve

PRECAUTIONS FOR USE

Do not use this instrument without consultation with your doctor if you are
under dialysis therapy or on anticoagulants, antiplatelets or steroids. Use
of this instrument under such conditions could cause internal bleeding.
For specific information on your blood pressure, contact your physician.
Power Supply : 2 AAA alkaline type (LR03) dry cell
Memory : 30 measurements x 2 and averages
Applied Pressure : 190 mmHg (fixed)
Operating Environment : +10˚C to+40˚C, 85% relative humidity or below
Storage Environment : -5˚C to+50˚C, 85% relative humidity or below
Cuff : Pre-formed type cuff
Wrist circumference : Approx. 125 to 215 mm
Size : 63.5(W) x 71.0(H) x 33.0(D) mm, not including
the cuff
Weight : Approx. 100 g., without batteries
Key to symbols :
:
Classification : Internally Powered Equipment
Specifications are subject to change without prior notice due to improvements in
performance and quality.
The user is cautioned that the system may fail to yield specified measurement
accuracy if operated or stored in temperature or humidity conditions outside the
limits stated in the specifications section of this manual.
Never make any judgment on measurement results on your own.
Use of this device in areas near portable phones, microwave ovens or
other devices with strong electromagnetic field may cause malfunctions.
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BASIC PRODUCT INFORMATION
Type BF equipment
Important; Read operating instructions