M628 Fetal Doppler

M628 Ultrasonic Pocket Fetal Doppler

Product Feature:

• Integral design of probe and host.
• Ultra-thin ,portable,smart ,and cosmetic
• Headset design allow the expectant mothers to listen the fetal heart sound at the same time
• High sensitivity of ultrasound transducer High precision FHR LCD digital display
• Ultra-low ultrasonic output intensity ,far below the requirement of national standard, to ensure the safe use, and with high safety quality.
• Ultra-low energy consumption,two AAA alkaline batteries can meet loong time detecting.

Package Including:

- 1 x Fetal Doppler

- 1 x Retailed Box

- 1 x Earphone

- 1 x English user manual

Product size and weight

Size: 117(L)×57(W)×35(H)mm

Weight: Net weight is about 80g (including battery).

Size and weight per carton

Size:  420*350*410mm

weight:   14KG(without battery)

one carton:100pcs

Performance requirements

Working environment: Temperature: +5℃-+40℃

                                Humidity: 30%-80%

                    Atmospheric pressure: 60kPa-110kPa

Transportation and storage environment:

The packed instrument shall be stored at -20℃ - +55℃

Relative humidity shall be 10%-93% (without condensation).

In the room with atmospheric pressure of 50kPa - 10kPa, with no corrosive gas and good ventilation

Display:LED

Main parameters

Ultrasonic working frequency

Nominal sound working frequency: 2.5MHz.

The deviation between sound working frequency and nominal sound working frequency shall be less than ±5%.

Fetal heart rate

Measuring range: 50-240bpm Integrated sensitivity

The sensitivity at the place 200mm away from the surface of probe: >90dB

Acoustic pressure at space peak value and time peak value P (MPa) Negative acoustic pressure: P_<1MPa

Acoustic pressure at space peak value and time peak value: < 0.2MPa Acoustic output power

Ultrasonic output power: < 40mW

Effective area of sensitive element of ultrasonic transducer Effective area of sensitive element of ultrasonic transducer: 157mm2±10%

Operating mode: continuous wave The service life is 3 years.

Lead time:within 5 days  after payment