Specification :

Instructions
Pocket Fetal Doppler is a hand-held obstetrical unit, which can be used in hospital, clinic and home for daily self-check by pregnant woman.
It contains components of ultrasonic signal transmitter and receiver, analog signals processing unit, FHR calculating unit, LCD display control unit etc.It has 3 work modes: real-time FHR display mode, averaged FHR display mode, and manual mode. It also has audio output, and can be connected with earphone or recorder with audio input.

Main Features
Beautiful shape, portable, easy operation
The probe has bending structure which is easy to operate and can increase the ease of the pregnant women, embodies the humane care design
Battery status indicator
The probe can be changeable
Probe inspection
Built-in speaker
Output for headphones
Backlight
Auto shut off
Two pieces of standard 1.5V alkaline battery available which can work no less than 8 hours
Main performance
Anti-electroshock Type: Internally powered equipment
Anti-electroshock Degree: Type B applied part
LCD Display: 38 mm× 28 mm
FHR Measuring Range: 50 ~ 240 BPM ( BPM: beat per minute)
Resolution: 1 BPM
Accuracy: ± 2 BPM
Power Consumption: < 0.8 W
Voltage: DC 3.0 V
Power Supply: Two 1.5V( AA size) alkaline battery
Suitable Using Range: Suitable for use after the 12th week of pregnancy
Auto Shut-OFF: After 1 minute no signal, power off automatically
Working Frequency: 2.0 MHz± 10%
Ultrasound Output Power: P < 10 mW
Ultrasonic Output Intensity: Isata < 5 mW/ cm2
Working Mode: Continuous wave Doppler
Effective Radiating Area of Transducer: 157 mm2± 15%
Physical Characteristic
Dimension: ( L) 135mm × ( W) 92mm × ( H) 29mm
Weight: About 245g ( including batteries)

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