Ensuring Accurate Measurements
Heart rate readings may be inaccurate depending on conditions and
Never measure your heart rate after smoking or drinking alcohol.
Smoking and/or alcohol can affect your heart rate.
Never take heart rate measurements at low temperatures. Keep
yourself warm when you measure your heart rate.
Users with thin wrists may find their heart rate measurements are
inaccurate.
When measuring your pulse for workout purposes, take the
measurement while seated and relaxed before exercise, then proceed
with your workout.
If the measurement significantly differs from predicted values, relax
and measure again in 30 minutes.
Confirm your pulse by taking the average of around 5 repeated
measurements.
If you speak, yawn or breathe deeply during the measurement, you
may see inaccurate values.
Light reflection may be uneven depending on your circulation, blood
pressure or skin condition, and may lead to inaccurate measurements.
If light reflection is blocked by body hair or other items, you may
obtain inaccurate measurements.
If the heart rate sensor is dirty, wipe the sensor and try again for a
more accurate measurement.
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