BodyTalk ADT-509 User manual

Foetal Heartbeat Monitor ADT-509
OPERATION GUIDE
INDEX
IMPORTANT INFORMATION .......................................................................................................2
CONTROLS AND DISPLAY INDICATORS ..................................................................................3
INTENDED USE..............................................................................................................................3
CONTRAINDICATION ...................................................................................................................3
PRODUCT DESCRIPTION .............................................................................................................3
SETUP AND OPERATING PROCEDURES ...................................................................................4
TROUBLE SHOOTING...................................................................................................................6
MAINTENANCE .............................................................................................................................6
CLEANING INSTRUCTIONS ........................................................................................................6
SPECIFICATION .............................................................................................................................7
EXPLANATION OF SYMBOLS .....................................................................................................9

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2
IMPORTANT INFORMATION
Pregnant women could operate the equipment to listen to the foetal heartbeat
from as early as 12-14 weeks pregnancy and count the foetal heart rate at
home by herself.
The bodytalk Foetal Heartbeat Monitor is not intended and should not be used
as a substitute for regular prenatal care by medical practitioners. Any concerns
about your pregnancy should be addressed by your medical practitioner.
Parents should not use the Foetal Heartbeat Monitor in any way for diagnostic
or other medical purposes.

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3
CONTROLS AND DISPLAY INDICATORS
INTENDED USE
The bodytalk Foetal Heartbeat Monitor is designed to listen to the foetal heartbeat in
the comfort of your own home.
CONTRAINDICATION
Normally none
PRODUCT DESCRIPTION
This product is a hand-held, battery powered device. It outputs foetal heart
sound, and the sound volume can be adjusted by the wheel.

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4
SETUP AND OPERATING PROCEDURES
1. Battery loading :
Open the battery cover and then put in one 9V battery. Please pay attention to
polarity. Close the battery cover.
2. Connect the earphone to the socket of probe.
(For your safety, please use the earphone provided)
3. Turn on the volume control on the probe and then LED will turn green. If the
voltage of the battery is too low (lower than 6.5V)，the LED will turn red.

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5
4. Apply generous amount of ultrasound gel to flat oval probe area on the
underside of the device and on the skin of the lower abdomen. It is
important to have adequate gel without air bubbles between the probe and
the lower abdomen. Lie down in a comfortable position and apply probe
gently to bare skin of lower abdomen and move slowly with a rocking
motion to detect the foetal heartbeat. Adjust earphone volume level as
required.
5. You will hear the baby’s heartbeat sound very clearly from the earphone
when the probe is correctly positioned. The foetal heartbeat sounds like
galloping horse and is about twice the speed of the mother’s heart rate.
The placental blood flow sounds more like a whirlwind.
6. If the sound is not very clear, you can move the probe slowly until baby’s
heartbeat sound is clear enough.
7. After checking, turn off the power and then the LED on the probe will be off.
Wipe off gel from the faceplate of the probe.

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6
TROUBLE SHOOTING
Because of incorrect operation or other problems, you may not get the
estimated hearing result. If problems occur, please refer to the following
solutions.
Abnormalities Possible Cause Solutions
Forget to turn on the
probe
Turn on the volume
control on the probe
The volume is too low. Increase the volume.
No voice
Battery’s voltage is low Change the battery
Volume is too high Decrease the volume.Too much noise
Gel on the probe is too
much
Clean the probe and
reduce the GEL.
The volume is low Increase the volume.
Forget to plaster the
GEL.
Plaster the GEL on the
probe.
Weak voice
Battery voltage is low Change the battery.
The probe is not
correctly placed.
Moving the probe to the
correct position.
Sensitivity is low.
Forget to plaster the
GEL.
Plaster the GEL.
MAINTENANCE
1. Do not attempt to disassemble this foetal Doppler. The circuit diagrams,
component part lists, descriptions, calibration instructions, or other information
which will assist the user’s appropriately qualified technical personnel to repair
those parts of equipment which are designated repairably can be supplied by
us.
2. Please remove the battery if do not intend to use the product for a long time.
3. Do not place it close to any source of excessive heat and humidity, dust or
direct sunlight.
4. Please put the product and its accessories out of reach of children.
5. Check the probe periodically, if it is crack, please stop using it.
CLEANING INSTRUCTIONS
Please do not use any chemical to clean the product. In case you need to
clean them, please wipe with a damp cloth. DO NOT use a brush, fingernail
or anything that might scratch the product.

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7
SPECIFICATION
1. Product name: bodytalk Foetal Heartbeat Monitor ADT-509
2. Product type: bodytalk Foetal Heartbeat Monitor (Ultrasound Doppler)
ADT-509
3. Protection class: Type B, IPX0, No AP or APG, Continuous operation.
4. Machine size: 187(long) x 61.4 (width) x 50(high) mm
5. Weight: About 140 gram(Include battery)
6. Measuring method: ultrasonic Doppler principle
7. Power source for probe: 9V 6F22
8. Environmental temperature for operation: 5℃~40℃
9. Environmental humidity for operation: <80%
10.Environmental temperature for storage and transport: -10℃~40℃
11.Environmental humidity for storage and transport: 80%.
12.Environmental pressure: 700hpa~1060hpa
13.nominal acoustic working frequency: 2.9MHz
14.overall sensitivity at the distance of 200mm from the face of the probe:
dB90
≥
15.Doppler frequency and target velocity, used for the determination of overall
sensitivity: Doppler frequency is 2.9MHz and target velocity is 140 per
minute.
16.spatial-peak temporal-peak acoustic pressure: 0.02MPa
17.output power: less than 2mW
18.effective area of the ultrasonic transducer active element: 4.8mm²
19.description of the acoustic coupling medium for normal use, together with its
characteristic acoustic impedance.
Density =1.0g/cm
2
velocity\<1.7m/s
characteristic acoustic impedance\<1.7×105g/cm2.s
20. Battery life: 3 months with 3 minutes per day

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8
POINTS FOR ATTENTION AND SAFETY
Please do not abandon the battery to fire, to avoid fire and explosion
hazard.
Please do not use the foetal Doppler near flammable gas to avoid possible
explosion or fire hazard.
It is inappropriate to use foetal Doppler with high frequency surgical
equipment.
Avoid using near mobile telephones, micro-wave ovens, radios, etc. as
they may cause magnetic interference.
Do not use the product adjacent to or stacked with other equipment to
avoid danger.
Exposing the product to extreme environmental conditions outside of its
operating parameters may compromise the ability of the product. .
Some part of the product is frangible, so violent breaking must be avoided.
Do not make the positive and negative pole pieces of the battery short.
Please do not share the probe, earphone and GEL, to avoid cross
infection.
Strangulation may result from baby or child entanglement in earphone
lines, so put the earphone out of reach of baby or child.

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9
EXPLANATION OF SYMBOLS
Symbol for “CAUTION”
Symbol for “TYPE B APPLIED PARTS”
Symbol for “ENVIRONMENT PROTECTION – Waste electrical products
should not be disposed of with household waste. Please recycle where facilities
exist. Check with your local Authority or retailer for recycling advice”.
Manufactured by Andon Health Co.Ltd.
No 3, Jingping Street YaAn Road
Tianjin Nankai 300190
PR China