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Features:
White backlight LCD can display FHR for darkness use: show the probe working frequency, battery capacity, doppler signal and alarm indicator; user frendly interface makes easy operation;

Output jack can be connect toinstruments . ( headset )

Sound amplified and recorded function;

Clear sound with a high quality loudspeaker;

Use 5MHz probe

1.5V batteries be chosen by alkaline battery or rechargeable batteries..

Specifications:
Executive Standard:EN61266:1995

Ultrasonic frequency:2.0 MHz(Standard) 3.0MHz/5.0MHz/8.0MHz(Optional),error: ± 10% 

Ultrasonic power intensity:≤10mW/cm2

Comprehensive Sensitivity: ≥90dB

Measurement range: 50bpm–210 bpm Error: ±2bpm

Isptp:≤0.1Mpa

Doppler Frequency: 0-3KHz

Power Consumption:≤1.5W

Power off automatically:after 3 minutes

Working Mode:Continuous ultrasound doppler

Working temperature: 5-40℃  

Humidity:< 80％  

Atmospheric pressure:86-106kPa

Packaging collocation:

Single unit     Dimension: 24cm × 23cm × 12cm   Gross Weight: 1.5kg

20 pcs/carton Dimension: 44cm x 36cm x42cm     Gross Weight: 14kg

Power Supply:  Size 5 alkalescence battery(1.5V x3) (alkalescence battery isn't rechargeable)

Normative collocation:Main Unit, 2.0MHz Probe, 3.0pieces of 1.5V size 5  dry battery, gallus, service manual, maintenance manual and certificate.

Optional collocation: 3.0MHz/5.0MHz/8.0MHz probe, size 5 Ni-MH rechargeable battery( 1.2V * 3), charger, earphone, mini small sound box, ultrasound gel.