HM-112 - Sphygmomanometer OMRON - Free user manual and instructions
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| Product Type | Manual Aneroid Sphygmomanometer |
| Brand | Omron |
| Model | HM-112 |
| Measurement Method | Auscultatory (with stethoscope) |
| Pressure Range | 0–300 mmHg |
| Accuracy | ±3 mmHg |
| Cuff Size | Adult standard (22–32 cm arm circumference) |
| Gauge Type | Analog dial with non-glare lens |
| Valve | Precision air release valve |
| Bulb | Latex-free rubber bulb |
| Dimensions (Gauge) | Approx. 6 x 10 x 14 cm |
| Weight (Complete Set) | Approx. 0.5 kg |
| Power Source | None (manual operation) |
| Battery Required | No |
| Storage Temperature | -20°C to 60°C |
| Operating Temperature | 10°C to 40°C |
| Humidity Range | 15% to 85% RH (non-condensing) |
| Maintenance | Clean with soft dry cloth; no immersion |
| Calibration | Recommended every 2 years |
| Warranty | 2 years (excluding cuff) |
| Certifications | CE, ISO 13485 |
Frequently Asked Questions - HM-112 OMRON
How do I properly inflate the cuff on the Omron HM-112?
Close the valve by turning it clockwise. Then squeeze the bulb rapidly to inflate the cuff to about 30 mmHg above the expected systolic pressure. Do not overinflate beyond 300 mmHg.
What size cuff does the HM-112 use?
The HM-112 comes with a standard adult cuff sized for arm circumferences of 22–32 cm. For larger or smaller arms, optional cuffs are available.
How often should I calibrate the HM-112?
Omron recommends calibration every two years or whenever you suspect inaccurate readings. Contact a professional service center.
Can I clean the sphygmomanometer with water?
No, avoid water or liquid cleaners. Use a soft, dry, lint-free cloth to wipe the gauge and cuff. Do not immerse any part in liquid.
What should I do if the needle does not return to zero?
If the gauge needle does not rest at zero when deflated, it may need recalibration. Do not attempt to adjust it yourself; send to a qualified technician.
How do I release air from the cuff slowly?
Turn the valve counterclockwise slightly to release air at a rate of 2–3 mmHg per second for accurate measurement. Practice to get a steady release.
Is the Omron HM-112 suitable for home use?
Yes, it is designed for professional and home use. However, proper training in auscultatory technique is required for accurate readings.
What is the storage condition for the HM-112?
Store in a dry place at room temperature (10–40°C). Keep away from extreme heat, cold, and moisture. Protect the gauge from impacts.
Can I replace the cuff if it gets damaged?
Yes, replacement cuffs are available. Ensure you use a compatible Omron cuff with the correct size for accurate readings.
Does the HM-112 require batteries?
No, it is a manual (aneroid) sphygmomanometer with no electronic components. It requires no batteries or power source.
User questions about HM-112 OMRON
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USER MANUAL HM-112 OMRON
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Product information
Brand : OMRON
Model : HM-112
Category : Sphygmomanometer