AngelSounds JPD-100S (mini) Instrucciones página 157

Effective area of the ultrasonic transducer active
2 2
element:2.65cm ± 0.3cm
The acoustic coupling medium for normal use: ph: 5.5~8, Acoustic
5 2
impedance: ≤1.7*10
g /cm · s
Working mode: Continuous wave Doppler
Audio output:
Audio output power: <0.5 W
Audio out Socket: Φ3.5mm/USB interface
Recommended battery type:
9V DC alkaline battery (IEC Type No. 6F22 or equivalent)
Stand-by Time: >4hours
Suitable gestation: 16 gestational weeks or later, difference in
pregnant mater.
Physical Characteristic:
Size: 104.5mm(length) * 50mm(width) * 70mm(height)
Weight: 69.5g (only main unit, not including battery)
Environmental Requirements:
Operating Conditions:
Temperature: 5C to 40C
Humidity: 0 to 80% RH, non-condensing
Atmospheric pressure: 86kPa to 106kPa
Storage and Shipping Conditions:
Temperature: -20C to 55C（-4℉-131℉）
Humidity: 10 to 93% RH, non-condensing
Atmospheric pressure: 50kPa to 106kPa
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