Description:
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<br />The Pocket Fetal Doppler is a hand -held obstetrical unit, which can be used in hospital, clinic and home 
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<br />for daily self -check by pregnant woman. It contains components of ultrasonic signal transmitter and receiver,
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<br />analog signals processing unit, FHR calculating unit, LCD display control unit etc. This Pocket Fetal Doppler
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<br />is a high performance model with (fetal heart rate) LCD digital display.
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<br />Features:
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<br />Ergonomic design, compact and light
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<br />low power inspection of the battery
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<br />Battery status indicator
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<br />Easy-to-use,the probe can be changed.
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<br />Built-in, Speaker with volume control 
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<br />socket for earphone or export audio signal to computer or other audio device 
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<br />Accurate FHR detection with clear sound
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<br />High sensitivity interchangeable probe
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<br />Support 3MHZ probe
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<br />Long time continuous use (10 hours on two AA alkaline batteries)
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<br />Automatic power-off
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<br />Specification:
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<br />Classification:
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<br />Anti-electroshock Type: Internally powered equipment.
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<br />Harmful Liquid Proof Degree: Ordinary equipment (sealed equipment without liquid proof)
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<br />Degree of Safety in Presence of Flammable Gases: Equipment not suitable for use in presence of flammable gases
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<br />Working System: Continuous running equipment 
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<br />EMC: Group I Class B
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<br />Suitable Using Range: Suitable for use after the 12th week of pregnancy
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<br />Physical Characteristic
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<br />Size: 130mm (Length) ¡Á95mm (Width) ¡Á36 (Height) mm 
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<br />Weight: About 250g
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<br />Environment
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<br />Working:
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<br />Temperature: +5¡ãC~+40¡ãC
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<br />Humidity: ¡Ü80% 
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<br />Atmospheric Pressure: 70 kPa~l06kPa
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<br />Transport and Storage: 
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<br />Temperature: -10¡ãC~+55¡ãC
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<br />Humidity: ¡Ü93%
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<br />Atmospheric Pressure: 50 kPa~l06kPa
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<br />Display: 45mm¡Á25mm LCD display
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<br />Backlight: The two statuses can be alternated: turn off/on the backlight. 
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<br />FHR Performance
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<br />FHR Measuring Range: 50~240BPM (BPM: beat per minute) 
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<br />Resolution: 1BPM 
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<br />Accuracy: ¡À2BPM
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<br />Power consumption: <0.8W
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<br />Auto Shut-OFF: After 1 minute no signal, power off automatically.
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<br />Battery Type Recommended: Two pieces of 1.5 V DC battery (SIZE AA LR6)
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<br />Probe:
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<br />Nominal Frequency: 2.0MHz
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<br />Working Frequency: 2.0MHz¡À10%
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<br />P-: <0.5MPa
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<br />Iob<10 mW/cm2
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<br />Ispta: <50mW/cm2
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<br />Ultrasonic Output Intensity:Isata<5 mW/cm2
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<br />Working Mode: Continuous wave Doppler
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<br />Effective Radiating Area of Transducer: 208mm2¡À15%
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<br />Packing Include:
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<br />1 x Fetal Doppler 
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<br />1 x English user's manual