The Omron HEM-7112 is an electronic sphygmomanometer that displays blood pressure and pulse readings on an LCD screen. The device includes a cuff, air tube, air plug, battery compartment, AC power adapter socket and control buttons.
The manual covers how to install or replace the 4‑cell alkaline battery, attach the cuff correctly, perform measurements, interpret results, and handle special situations, maintenance and fault troubleshooting. This manual is written in Chinese.
| Model | HEM-7112 |
|---|---|
| Display | LCD digital display |
| Measurement method | Oscillometric |
| Pressure range | 0 – 299 mmHg (0 – 39.9 kPa) |
| Pulse rate range | 40 – 180 beats/min |
| Pressure accuracy | ±3 mmHg (±0.04 kPa) |
| Pulse accuracy | ±5 % |
| Pressure sensor type | Capacitive pressure sensor |
| Power source | 4×7 A alkaline dry cells or AC 220 V stabilized power supply |
| Battery life | ≈300 measurements under specified conditions |
| Operating temperature / humidity | 15 °C – 40 °C, 15 % – 85 % RH |
| Storage temperature / humidity | -20 °C – +60 °C, 10 % – 95 % RH |
| Weight | ≈245 g (without battery) |
| Dimensions (W×D×H) | 104 mm × 128 mm × 64 mm |
| Cuff size | 22 cm – 32 cm |
| Air tube length | 600 mm |
Do not inflate the cuff above 299 mmHg (39.9 kPa).