Feature:
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<br />Advanced auto-correlation algorithm for high FHR accuracy
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<br />High sensitivity wide beam integrated sensor for reliable detection throughout pregnancy
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<br />Active noise reduction for crystal clear fetal heart sounds
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<br />Low ultrasound output dosage for ultimate safety
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<br />Advanced power management for long battery life
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<br />Elegant and compact design for easy home use
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<br />Specification:
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<br />Ultrasound:
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<br />Frequency: 2.5MHz Continuous Wave
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<br />Acoustic Output: Low Power exemption BS EN 61157 (Clause 6)
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<br />Fetal Heart Rate:
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<br />Display: 3 digit FHR
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<br />Range: 50-240 bpm
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<br />Accuracy: ±1% or ±1bpm whichever is greater
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<br />Resolution: 1 bpm
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<br />Audio bandwidth and power:250Hz -1.25kHz,1.5W
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<br />Battery: 3 x AA Battery
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<br />Size: 140mm x 68mm x 28mm
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<br />Weight:450g
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<br />Packing Include:
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<br />1 x Fetal Doppler (without battery)
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<br />1 x English user's manual