CBP1_v2 PEREL 4
4. Warning
• The device may show reading errors in the presence of common arrhythmia such as atrial or
ventricular premature beats or atrial fibrillation.
• Take the batteries out of the housing if the unit is not to be used for a long time.
• Do not immerse the unit on water.
• The device does not contain formaldehyde and will not cause irritation when it comes in
contact with skin or eyes.
• Store the unit in a dry and cool place within the storage environment range. Do not twist the
tubing.
• Do not use different battery types, dates or brands at the same time as this may lead to
reading errors.
• Leaving the batteries in the housing for an extended period of time may damage the unit. Be
careful and observe following points:
o use alkaline batteries for the best performance and the longest life;
o remove the batteries when the unit is not used;
o immediately replace drained batteries with new ones;
o do not use new and old batteries at the same time.
• Never stretch, bend or tug on the wrist cuff.
• Do not store the unit in direct sunlight, or in a humid, dusty or corrosive environment with high
temperatures.
• Do not use benzene, gasoline or alcohol agent to clean the device.
• The unit might not meet its performance specifications if stored or used outside the specified
temperature and humidity ranges:
o operating conditions: 50°F~115°F (10°C~+45°C), 30%~85% RH;
o storage conditions: 15°F~140°F (-10°C~+60°C), 10%~95% RH.
5. Health and Blood Pressure Values
The blood pressure of the human body increases naturally from middle age onwards. This is due
to the continuing ageing of the blood vessels, obesity, lack of exercise, cholesterol (LDL)
