The Microlife BP A100 Plus is an automatic upper arm blood pressure monitor with clinically validated accuracy, one-touch operation, irregular heartbeat detection, 2-user memory with 99 readings each, adjustable cuff (22-42 cm), large LCD display with backlight, date/time display, automatic averaging of last 3 readings, WHO blood pressure classification indicator, and hypertension detection. Powered by 4 AA batteries or optional AC adapter. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.
Key components: Main unit with LCD display, adjustable arm cuff, air tube, 4 AA batteries, instruction manual, and storage case.
| Feature | Description |
|---|---|
| Clinically Validated Accuracy | Meets international protocols for accuracy and reliability |
| One-Touch Operation | Automatic inflation and measurement with single button press |
| Irregular Heartbeat Detection | Detects and displays irregular heartbeats during measurement |
| 2-User Memory | Stores 99 readings for each of two users |
| WHO Classification Indicator | Shows blood pressure classification according to WHO guidelines |
| Automatic 3-Reading Average | Calculates average of last three consecutive readings |
| Adjustable Cuff | Fits arm circumferences from 22 to 42 cm |
| Large LCD with Backlight | Easy-to-read display with illumination for low light |
| Date & Time Stamp | Records measurement date and time for tracking |
| Hypertension Detection | Alerts user to potential hypertension based on readings |
Read all instructions before use. Important safety precautions:
WARNING! This device is not a substitute for professional medical diagnosis. Always consult your physician about your blood pressure readings.
CAUTION! Check all contents before use. Do not use if any parts are damaged or missing.
Front Panel: LCD display, START/STOP button, MEMORY button, USER SELECT button (1/2), DATE/TIME SET button.
Display Symbols: Systolic pressure, Diastolic pressure, Pulse rate, User indicator (1/2), Memory full indicator, Irregular heartbeat symbol, WHO classification bar, Battery indicator, Date/Time display, Average indicator.
Side/Back: Air tube connector, AC adapter jack (optional), battery compartment.
Prepare device for first use:
Tip: Rest for 5 minutes before first measurement. Sit comfortably with feet flat on floor.
For accurate readings, follow these steps:
WARNING! Do not move or talk during measurement. Ensure cuff is at heart level for accurate results.
The device stores 99 readings for each of two users:
Note: Memory is maintained when batteries are changed if done within 3 minutes.
Irregular Heartbeat Detection: Symbol appears if irregular heartbeat is detected during measurement. If detected frequently, consult your physician.
WHO Classification Indicator: Bar graph shows whether reading is Optimal, Normal, High Normal, or Hypertension according to WHO guidelines.
Automatic Averaging: After three consecutive readings taken within 10 minutes, average is calculated and displayed with AVG symbol.
Hypertension Detection: If systolic pressure ≥ 135 mmHg or diastolic ≥ 85 mmHg, device may alert user (consult manual for specific thresholds).
Proper care ensures accurate measurements and device longevity:
CAUTION! Do not attempt to repair device yourself. Contact authorized service center.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No display | Dead batteries | Replace all 4 AA batteries with fresh ones |
| Error E1 displayed | Cuff not properly attached | Check air tube connection; ensure cuff is properly applied |
| Error E2 displayed | Measurement error | Remain still and retake measurement; check cuff position |
| Error E3 displayed | Irregular heartbeat detected | Measurement may be inaccurate; wait 5 minutes and retry |
| Inconsistent readings | Incorrect positioning | Ensure cuff at heart level; rest 5 minutes before measuring |
| Cuff doesn't inflate | Air leak or blockage | Check air tube connections; ensure cuff is not twisted |
| Memory not working | Batteries removed too long | Memory cleared if batteries out >3 minutes; replace within 3 minutes |
| Display dim or fading | Low batteries | Replace batteries immediately |
Reset: Remove batteries for 3 minutes to reset device to factory settings (clears memory).
Service: For technical support, contact Microlife customer service at 1-800-432-6334 or visit www.microlife.com