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About LANNX
LANNX Mel & Bio Co., Ltd., located in Shen Zhen city (The high-tech center of China).LANNX is a leading healthcare product&solution provider which focuses on research, manufacture and distribution of Medical and Biological devices.
 
Feature:
1) Delicate and compact design, portable and easy to use
2) Crooked probe structure, which is easy to operate and increases the feeling of comfort, embodies the humanized design.
3) Three working mode: Real-time FHR Display Mode, Averaged FHR Display Mode and Manual Mode
4) FHR values, bar graph and heartbeat waveform color display
5) Alarming in red when the FHR value is out of the normal range.
6) Probe falls off detection, battery status indication
7) Automatic shutdown: The device will automatically turn off if there is no signal within 1 minute.
8) Audio interface: Can be connected to other recording devices by recording cable, record fetal heart sound in real-time
9) Two 1.5V batteries (AA LR6) can last more than 8 hours for normal use
 
Specification:
Ultrasonic emitting frequency  3.0Mhz±10%
 Ultrasound output power  10mW/cm
 DC power supply  AA*2
Overall sensitivity at the distances 200mm from the face of the probe  92.4dB
 Doppler frequency  500±50Hz
 Target velocity  10cm/s~40cm/s
 Spatial-peak temporal-peak acoustic pressure  20.1kPa
Effective area of the ultrasonic transducer active element   3.07cm2
 The acoustic coupling medium for normal use  ph: 5.5~8, Acoustic
 impedance:≤1.7*105g /cm2·s
 Working mode  Continuous wave Doppler
 Audio output power  < 0.5 W
 Audio out Socket   Φ2.5mm