Womb Music by Wusic ®
WMCompact
Specifications
Product name:
Womb Music Heartbeat Monitor
Model:
WMCompact
Safety:
FDA approved; Complies with IEC 60601-1: 1990 + A1:1993 +
A2:1995, EN 60601-1: 1990 + A1:1993 + A2:1995 + A13:1996,
EN60601-1-2:2001, IEC 61266:1994
Classification:
Anti-electric shock type: Internal powered equipment
Anti-electric shock degree: Type BF equipment
Classification of protection against harmful ingress of water: IPX4
Mode of operation: Continuous operation
EMC: Group I Class B
Technical Parameters:
Ultrasonic emitting: 3MHz, < 10mW/cm
2
Overall sensitivity at the distances 200 mm from the face of the probe
500 ± 50Hz, 10cm/s~40cm/s,
≥
90dB
Spatial-peak temporal-peak acoustic pressure:
≤
1MPa
Output power: < 20mW
Effective area of the ultrasonic transducer: 2.65cm
2
± 0.3cm
2
The acoustic coupling medium for normal use: ph: 5.5~8
Acoustic impedance:
≤
1.7*10
5
g /cm
2
·s
Audio output power: < 0.5 W
Audio out jack:
Φ3.5mm or
USB interface
Recommended battery type: 9V DC alkaline battery
Stand-by Time: > 4hours
Suitable gestation: 16 gestational weeks or later
Physical Characteristics:
Size: 4.11" (length) * 1.97" (width) * 2.76" (height)
Weight: 2.4 oz. (main unit only, not including battery)
Shelf Life: 3 years, please inspect yearly for safety
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