- Weight0.16 kg
- Amperage120.0 A
- MaterialPlastic
- ManoMano ReferenceME65201994
- Product codeNce-12653
Caractéristiques :
Sonde haute sensibilité, sans rayonnement, faible puissance ultrasonore, sécurité et haute précision.
Large LED display, you can see the frequency clearly. uence cardiaque fœtale, la capacité de la batterie et les volumes.
Equipped with volume adjustment function, you can easily adjust the volumes according to your demands.
Insérez la prise single or dual channel 3.5mm headphone 32 into the headphone jack on the device, you can use the headphones to listen to the s on the fetal heart, at the same time, the external speaker of the device will be closed, without any audio output.
Après avoir entendu un son de rythme cardiaque fœtal reconnaissable et rythmé, keep the probe still for at least 5 seconds so that the device can correctly measure and display the fetal heart rate.
Powered by two sections of AA battery, supports continuous operation. (battery is not included)
Note:
The normal fetal heart rate range is 120-160 bpm.
100-120bpm and 160-180bpm are critical ranges to pay attention to.
The value below 100bpm and above 180bpm should be concerned.
Specifications:
Name: Fetus-Voice Meter
Material: ABS
Colour: White
Battery: 2 AA batteries (not included)
Earphone: 3.5mm 32 single or dual channel headphones
Ultrasonic working frequency: 2.5 MHz
The difference between the ultrasonic working frequency and the nominal ultrasonic working frequency: ne should be no more than ±15%
Overall Sensitivity: 290dB (at a distance of 200mm from the surface of the probe, the overall sensitivity)
Measurement of fetal heart rate and range of ;display age: must not be less than 65-210 BPM
The speed of sound: 1520- 1620m/s
Acoustic impedance: 1.5- 1.7 x 106 Pa.s/m
Sound attenuation: < 0.05dB/(cm.MHz)
Working environment:
Temperature: 5°C-40℃
Relative humidity: 25-80% RH
Atmospheric pressure: 70kPa-106kPa2< ; br />Storage and transport:
Temperature: 5℃-45℃
Relative humidity: 9-85% RH
Atmospheric pressure: 50kPa-106kPa
Viscosity: >15Pa . S
PH value: 5.5-8
Service altitude <2000m
Package size: 170 * 115 * 50mm / 6.69 * 4.53 * 1 .97in
Package Weight: 160g / 5.64ounces
Packing List:
1 * Fetal Doppler
1 * Directive

















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