bbluv Echo Manuel D'instructions page 15

Ultrasound: Ultrasonic
emitting frequency
Target velocity
Spatial-peak temporal-peak
acoustic pressure
Output power
Effective area of the
ultrasonic transducer
active element
Acoustic coupling
medium for normal use
Acoustic impedance
Working mode
Audio Out Socket
Recommended battery type
Stand-by time
Recommended
gestation for use
TECHNICAL PARAMETERS
3MHz
Overall sensitivity at the distances 8 in. from the
face of the probe (Doppler frequency: 500 ± 50Hz)
4 in./s ~ 16 in./s: ≥ 90d
≤ 1MPa
< 20mW
1 sq in. ± 0.1 sq in.
ph: 5.5~ 8
≤ 1.7*105g / cm2.s
Continuous wave Doppler
Audio Output Power : < 0.5 W
Φ 0.14 in./USB interface
9V DC alkaline battery (IEC Type No. 6F22 or
equivalent)
> 4 hours
16 gestational weeks or later, depending on
pregnancy
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