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English
Blood pressure classification
SYS (mm HG)
DIA (mm HG)
Optimal
<120
<80
Normal
120 - 129
80 - 84
high - normal
130 - 139
85 – 89
Hypertension level 1
140 - 159
90 – 99
Hypertension level 2
160 - 179
100 – 109
Hypertension level 3
≥180
≥110
Definition and classification of the blood pressure values according to WHO/ISH
10. TROUBLESHOOTING (1)
PROBLEM
POSSIBLE CAUSE
SOLUTION
LCD Display shows
abnormal result
The cuff position was not correct or it
was not properly tightened
Apply the cuff correctly and try again
Body posture was not correct during
testing
Review the section “BODY POSTURE
DURING MEASUREMENT” of the instruc-
tions and try again.
Speaking, arm or body movement,
angry, excited or nervous during test-
ing
Re-test when calm and without speaking
or moving during the test