Features:
Pocket design,easy and conveniently to use
High quality loudspeaker,clear timbre,volume can be adjusted
Sound alarm function when FHR is not in normal range
Two FHR modes:real-time and average
Big LCD for dynamic display of FHR and battery energy
Matching different battery:AA battery,9V battery or rechargeable battery
Continuous working time ≥8 hours
Rest automatically no FHR signal,Automatic switch-off function
Backlight function,buitlt-in safeguard of circuit
Built-in loudspeaker:Audio output can connect recorder and earphone
Specification:
Display
LCD Size:37mmx23mm
Ultrasound
Ultrasound Emitting Frequency: 2.5MHz
Ultrasound Emitting Power: <10mW/cm⊃2;
Overall sensitivity at the distance 200mm from the face of the tube
(doppler frequency 300 50Hz,target velocity 10cm/s~40cm/s): ≥90dB
Spatial-peak temporal-peak acoustic pressure: <8.6kPa
Output power: <26mW
Effective area of the ultrasonic transducer for active element: 1.57cm⊃2;20%
The acoustic coupling medium for normal use: ph:5.5 - 8, Acoustic impedance
FHR Performance
Automatic FHR test range: 50~210bpm
Heart rate alarms: <100, or>160bpm
Resolution: 1bpm
Accuracy: 1bpm
Audio output power: 1W
Audio out socket: Φ3.5mm
Rechargeable battery
Battery voltage: 3.6V/9V/3XAA
Chemist Nickel metal hydrogen. Refer
to local regulations
Compatibility: Compatible with product
Battery capacity: 2 hours in 9V/170 mAH
or 7 hours in 3.6V/1000 mAH
Battery charging time: 2 hours for 9V/170mAH,
or 8 hours in 3.6V/1000 mAH
Charging time: Maximum 10 hour
Battery life: 2.5 year/300 cycle of battery
charging/discharging
whichever comes first
Battery weight: 1lb or 3 oz
AC Power Supply
Input: 230V, AC, 50Hz, <20VA
Output: 12V, DC, 300mA
Dimensions
Physical Size: 97mmX37mmX132mm
Weight: 0.3Kg(including battery)
| Battery voltage | AC Power Supply Input | AC Power Supply Output | Dimensions | Weight |
| 3.6V/9V/3XAA | 230V, AC, 50Hz, <20VA | 12V, DC, 300mA | 97mmX37mmX132mm | 0.3Kg(including battery) |
