Doppler fetal heartbeat meter (made in China)

digital display / professional / medical

W311185

Item introduced:

Features:

Professional

High-tech Doppler principle, is used to monitor more than 12 weeks pregnant fetal heart rate and motorola decoder chip is installed with high reliabilitylow ultrasonic power, less than 1 / 2 the national standard

The meter characters:

Low-noise design

Equipped with speakers for more persons listening

Input interface with prenatal education

With common output interface to an external recording

Fetal heart rate manually calculate and display.

Automatic calculation and display of fetal heart rate..

Abnormal fetal heart rate alarm

High sensitivity of Doppler

Rechargeable battery-powered

Technical characteristics:

Size: 120X70X30MM

Weight: about 250 grams (including batteries)

Power: DC 6V 4 section AAA (7 No.) battery-powered

Operating temperature: 10-32 degrees Celsius

Security Classification: Internal power supply, BF type

Speaker: 4070 type, 8W

Audio Output: 1/4W

Doppler technique: continuous wave (CW), non-focused

Sound frequency: 2.8MHz ± 15%

Comprehensive sensitivity: 200mm in distance from the probe, the integrated sensitivity not less than 90d B

Ultrasonic output power: not more than 4mW

Acoustic output parameters of disclosure requirements: The products exempted from the sound output parameters in line with the published data of the acoustic output,

Peak negative acoustic pressure <1MPa

Sound intensity output beam <20mW/cm2

Spatial peak time average acoustic intensity <100mW/cm2

Sound intensity: not more than 4.5mW/cm2

Adaptability of the supply power voltage: from 6V voltage the 10 percent rating, the equipment can work properly

Continuous working hours: it at room temperature can work more than eight hours.