Marian's Trusted Fetal Doppler Baby Heartbeat Detector

Features:

The probe has high sensitivity, no radiation, low ultrasonic power, safety, and high accuracy.

A large LED display screen can clearly show fetal heart rate, battery capacity, and volume.

Equipped with volume adjustment function, you can easily adjust the volume according to your own needs.

Insert the 3.5mm 32 mono or dual channel headphone jack into the headphone jack of the device to listen to fetal heart sounds. At the same time, the device's external speakers will be turned off and there will be no sound output.

After hearing recognizable and rhythmic fetal heart sounds, keep the probe stationary for at least 5 seconds so that the device can accurately measure and display fetal heart rate.

Powered by two AA batteries, it supports continuous operation. (excluding batteries)

 

Specifications:

Name: Fetal sound meter

Material: ABS

Battery: 2 * AA battery (not included)

Headphones: 3.5mm 32 mono or dual channel headphones

Ultrasonic working frequency: 3.0MHz

The deviation between the ultrasonic working frequency and the nominal ultrasonic working frequency should not exceed 15%

Comprehensive sensitivity: 290dB (at a distance of 200mm from the probe surface, comprehensive sensitivity)

Fetal heart rate measurement and display range: should not be less than 65-210BPM

Sound speed: 1520-1620m/s

Acoustic impedance: 1.5-1.7 x 106 Pa. s/m

Sound attenuation: 15Pa S

PH value: 5.5-8

Using an altitude of 2000m

Packaging weight: 160g/5.64 ounces

 

Packing specifications:

1 * Fetal Doppler
1 *Manual
1 *30ml Gel

Attention:

This product does not provide coupling agents. Aloe gel is recommended. Cannot work on ultrasonic gel)

The normal fetal heart rate is 120-160bpm.

100-120bpm and 160-180bpm are critical intervals that should be noted.