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| Product size | 132 × 104 × 34mm |
| Display | 1.77 inch TFT Screen |
| Probe frequency | 2.5MHz ± 10% |
| Fetal heart rate range | 50bpm ~ 240bpm (Resolution: 1bpm) |
| Accuracy | ± 2bpm |
| Working Conditions | Temperature: 5ºC ~ 40ºC |
| Atmospheric pressure | 70.0kPa ~ 106.0kPa |