| Blood Pressure Category | Systolic (mmHg) | Diastolic (mmHg) | | :--- | :--- | :--- | | Optimal | < 120 | and < 80 | | Normal | 120–129 | and/or 80–84 | | High Normal | 130–139 | and/or 85–89 | | Grade 1 Hypertension | 140–159 | and/or 90–99 | | Grade 2 Hypertension | 160–179 | and/or 100–109 | | Grade 3 Hypertension | ≥ 180 | and/or ≥ 110 |
A single high reading is not a cause for alarm. Blood pressure varies minute by minute. Diagnosis requires multiple readings over time recorded in a log. rak283 blood pressure monitor user manual
Manual version 2.1 – Valid for RAK283 models manufactured after January 2024. | Blood Pressure Category | Systolic (mmHg) |
The RAK283 complies with EN 1060-1, EN 1060-3, and ISO 81060-2. 14. Warranty and Contact Information Warranty period: 2 years from date of purchase (cuff: 1 year). What is covered: Defects in materials or workmanship under normal use. What is not covered: Damage from misuse, dropping, water damage, unauthorized repair, or normal wear of the cuff. Manual version 2