| Category | Systolic (mmHg) | Diastolic (mmHg) | | :--- | :--- | :--- | | Optimal | < 120 | < 80 | | Normal | 120 - 129 | 80 - 84 | | High Normal | 130 - 139 | 85 - 89 | | Grade 1 Hypertension (Mild) | 140 - 159 | 90 - 99 | | Grade 2 Hypertension (Moderate) | 160 - 179 | 100 - 109 | | Grade 3 Hypertension (Severe) | ≥ 180 | ≥ 110 |
If the device cannot register a proper reading, it will display an error code. Reference this matrix to correct the issue. Error Code Potential Cause Correction Strategy No pulse signal detected
: Wipe the monitor housing and cuff with a dry, soft cloth or a cloth lightly dampened with water and mild soap. Never use volatile chemicals, paint thinners, or alcohol. rak283 blood pressure monitor user manual
: Dual mode with 99 sets of measurements for each user. Display : 80x60mm digital LCD screen. Power Source : Requires 4 x AA batteries or a DC 6V adapter.
Before your first use, verify that your RAK283 packaging includes all standard components: | Category | Systolic (mmHg) | Diastolic (mmHg)
Incorrect cuff placement is the most common cause of inaccurate readings. Remove any tight or thick clothing from your upper arm.
The cuff will deflate, and the screen will display your systolic pressure, diastolic pressure, and heart rate. Remove the cuff after the reading is finished. Never use volatile chemicals, paint thinners, or alcohol
The manufacturer's printed instruction booklet.
Before measuring, you must configure the device to ensure your records are timestamped correctly.
The air tube should run down the center of your inner arm, aligned with your middle finger.