Feature:

DSP technology, more advanced and accurate.

High-power output, loud and clear sound

Wide-beam, high sensitivity, souffle filter

Low ultrasonic acoustic output power, fully assured to monitor FHR.

LCD large-screen display, blue backlight, display the real-time and average FHR.

Optional rechargeable battery or AA batteries.

Charge instruction, full battery indicator, lack of electricity indicator.

Optional 2 or 3 MHz probe, portable for easy transport

Automatically power-off, adjustable time of turning off, no background noise if no monitoring.

Technical Parameters:

Working Frequency: 2.0 or 3.0 MHz

Ultrasound Intensity:<10mW/cm2

FHR Measurement Range: 65-210bpm

FHR Accurancy: ±2bpm

Power: 14.4V Ni-MH battery or eight AA battery or AC power

Continuous working time: rechargable battery 4hours

                                          Dry battery 1hour

Working Temperature: 5-40°c

Relative Humidity: 30%- 80%

Atmospheric Pressure: 70kPa- 106kPa

Net weight: 1.5 kg, gross

weight: 2kg

Machine dimension: 26.5X 17.1X13.5cm