Instructions
LC-401B 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.Sonoline B Pocket Fetal Doppler is a high performance model with (fetal heart rate) LCD digital display. It has 3 work modes: real-time FHR display mode, averaged FHR display mode, and manual mode .It has audio output and can be connected with earphone or recorder with audio input.
Main Features
◆Battery status indicator
◆Low power inspection of the battery
◆Built-in speaker
◆Output for headphones
◆The probe can be changeable
◆Probe inspection
◆Backlight
◆Auto shut off
◆Support 2MHz,3MHz,4MHz,5MHz,8MHz probes
◆Two pieces of standard 1.5V alkaline battery available which can work no less than 10 hours
Main performance
Anti-electroshock Type: Internally powered equipment
Anti-electroshock Degree: Type B applied part
LCD Display: 45 mm × 25 mm
FHR Measuring Range: 50 BPM ~ 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
Probe:
Nominal Frequency: 2.0 MHz
Working Frequency: 2.0 MHz ± 10%Ultrasound Output Power: P < 10 mWUltrasonic Output Intensity:Isata < 5 mW/cm2Negative Peak Sound Pressure : p_ < 0.5 MPaWorking Mode: Continuous wave dopplerEffective Radiating Area of Transducer: 208 mm2 ± 15%
