bbluv Echo Manual Del Usuario página 12

• Overall sensitivity at the distances 8 in. from the face of the probe
(Doppler frequency: 500 ± 50Hz)
• Target velocity : 4 in./s ~ 16 in./s: ≥ 90d
• Spatial-peak temporal-peak acoustic pressure : ≤ 1MPa
• Output power : < 20mW
• Effective area of the ultrasonic transducer active element : 1 sq in. ± 0.1 sq in.
• Acoustic coupling medium for normal use : ph: 5.5~ 8
• Acoustic impedance : ≤ 1.7*10
• Working mode : Continuous wave Doppler
• Audio Output Power : < 0.5 W
• Audio Out Socket : Φ 0.14 in./USB interface
3. Recommended battery type :
9V DC alkaline battery (IEC Type No. 6F22 or equivalent)
4. Stand-by Time : > 4 hours
5. Recommended gestation for use : 16 gestational weeks or later, depending
on pregnancy
6. Physical Characteristic :
Size : 0.04 in. (Length) * 2 in. (Width) * 2.8 in. (Height)
Weight : 2.5 oz (only main unit, not including battery)
7. Environmental Requirements :
Operating Conditions :
Temperature : 41°F to 104°F (50°C to 40°C)
Humidity: 0 to 80% RH, non-condensing
Atmospheric pressure: 86kPa to 106kPa
Storage and shipping conditions :
Temperature: -4°F to 131°F (-20°C to 55°C)
Humidity: 10 to 93% RH, non-condensing
Atmospheric pressure: 50kPa to 106kPa
Humidity : 10 to 93% RH, non-condensing
Atmospheric pressure: 50kPa to 106kPa
g / cm s
5 2.
10