CH-452 - Blood pressure monitor CITIZEN - Free user manual and instructions
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| Product Type | Wrist Blood Pressure Monitor |
| Model | CH-452 |
| Brand | Citizen |
| Measurement Method | Oscillometric |
| Measurement Range | Pressure: 0-280 mmHg, Pulse: 40-199 beats/min |
| Accuracy | Pressure: ±3 mmHg, Pulse: ±5% |
| Display | Liquid Crystal Display (LCD) |
| Memory | 60 measurements with date and time |
| Wrist Circumference | 13.5 - 21.5 cm |
| Power Supply | 2 x AAA batteries (1.5V) |
| Battery Life | Approximately 300 measurements |
| Auto Power Off | Yes, after 1 minute of inactivity |
| Dimensions | Approximately 72 x 72 x 28 mm |
| Weight | Approximately 100 g (without batteries) |
| Cuff Type | Integrated wrist cuff |
| Cuff Material | Nylon |
| Clinical Validation | Yes, according to ESH-IP 2010 |
| Health Classification | WHO blood pressure classification indicator |
| Irregular Heartbeat Detection | Yes |
| Movement Error Detection | Yes |
| Accessories Included | Storage case, instruction manual |
| Cleaning | Wipe with a soft, dry cloth |
| Storage Conditions | Temperature: -20°C to 50°C, Humidity: ≤85% RH |
| Warranty | 2 years |
Frequently Asked Questions - CH-452 CITIZEN
How do I correctly position the wrist cuff?
Place the cuff directly on your bare wrist about 1-2 cm above the wrist joint. Ensure the cuff is snug but not too tight, and the monitor is facing upward. Keep your wrist at heart level during measurement.
Why does my monitor show an error code?
Error codes may indicate movement during measurement, incorrect cuff placement, or weak batteries. Refer to the manual for specific codes. Common code E1 means cuff is not properly positioned; E2 indicates excessive movement; E3 means batteries are low.
How often should I replace the batteries?
Replace the batteries when the low battery symbol appears, typically after about 300 measurements. Use two new AAA alkaline batteries; do not mix old and new batteries.
Can I use the monitor on my arm instead of wrist?
No, this model is designed exclusively for wrist use. Using it on the arm will give inaccurate readings and may damage the cuff.
How do I clean the monitor and cuff?
Wipe the monitor body with a soft, dry cloth. The cuff can be gently cleaned with a slightly damp cloth and mild soap if needed. Do not immerse in water or use solvents.
What does the irregular heartbeat detection mean?
This feature alerts you if an irregular heartbeat is detected during measurement. It is not a diagnostic tool but can help you track patterns. Consult your doctor if you see the symbol frequently.
How do I delete stored readings?
To delete all readings, remove the batteries and wait 30 seconds, then reinsert them. For individual deletion, refer to the manual; some models allow clearing by pressing and holding a button.
Can I use the monitor while charging?
The monitor operates on batteries only; it does not have a charging port. Always use fresh batteries for accurate readings.
What should I do if the cuff feels too tight?
Ensure the cuff is not wrapped too tightly; it should be snug but allow one finger to slip underneath. If discomfort persists, stop use and check that your wrist circumference is within the specified range (13.5-21.5 cm).
Is the monitor suitable for pregnant women?
This monitor has not been clinically validated for use during pregnancy. Pregnant women should consult a physician before using any blood pressure monitor.
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