The following specifications are subject to change and are only
noted as a point of reference.
DISPLAY
ULTRASOUND
FHR PERFORMANCE
AUDIO OUTPUT
BATTERY
LCD Size
34mm X 16mm
Ultrasonic emitting frequency:
Overall sensitivity at distances 200mm from
the face of the probe (Doppler frequency:
300±50Hz,Targe velocity: 10cm/s~40cm/s)
Spatial-peak temporal-peak acoustic pressure
Output power
Effective area of the ultrasonic transducer
active element
The acoustic coupling medium for normal use:
FHR Test Range:
Resolution:
Accuracy:
Audio Output Power:
Audio Out Socket:
Battery Voltage:
Type:
2.5MHz±3%
≥90dB
<8.6kPa
<20mW
1.57cm2
30 bpm ~240 bpm (Beat/Minute)
1 bpm
± 1% ± 1 bpm
<0.5 W
Φ3.5mm
9V
9V Alkaline
ph: 5.5~8, Acoustic
impedance:
≤1.7×105g/cm2.s
Specifications
Storage and Shipping
-10°C to 60°C
10% - 95% RH,
non-condensing
50kPa to 106kPa
Operating
5°C to 40°C
<80% RH,
non-condensing
86kPa to 106kPa
Conditions
Temperature:
Humidity:
Atmospheric pressure:
15
Environmental Requipments