| Display | 12.1” LCD display |
| Ultrasound frequency | 1024 (1 ± 10%) kHz |
| Max output intensity | < 10 MW/cm2 |
| FHR measurement range | 30 bpm ~ 240 bpm |
| FHR sensitivity | ≤ 2 bpm |
| FHR alarm range | 30 bpm ~ 240 bpm |
| Alarm time | ≤ 30s |
| Alarm limits | FHR Higher [User defined] FHR Lower [User defined] TOCO Higher [User defined] TOCO Lower [User defined] |
| TOCO measurement range | 0 ~ 100 units |
| TOCO baseline | 0 ~ 20 units |
| TOCO sensitivity | ≤ 10 % |
| Recorder paper speed | 1,2,3 cm/min |
| Recorder deviation | ≤ 5 % |
| Print duration | 5 min – 240 min |
| Safety standard | Class I, BF type |
| Storage temperature range | 40℃ ~ 55℃ |
| Storage relative humidity | ≤ 93 % |
| Storage pressure range | 500 hPa ~ 1060hPa |
| Operational temperature range | 10°C ~ 40°C |
| Relative humidity | ≤ 80 % |
| Atmosphere pressure | 70 kPa ~ 106 kPa |
| Weight | 4.5 Kgs |