Ultrasound frequency 2 / 2.5 / 3 + – 0.25 Mhz
Ultrasonic intensity < 10mW / cm2
Power supply built-in 9.6v nickle-hydrogen rechargeable battery
Continuous working time > 6 hours
Working temperature 100C~400C
Model no. FD-101
Interchangeable probes yes
Backlight yes
Battery status display yes
Low battery indication yes
AC recharge yes
Fetal Doppler-201
Features
Lightweight and Easy -To- Use
Full color OLED displays FHR curve, FHR intensity, improper FHR alarm signal, speaker volume, battery capacity indicator, working mode, frequency of the probe and FHR synchronization symbol.
Accurate FHR detection, it has FHR mode, Curve mode, Replay mode, Manual Count mode, Average FHR mode, Count-down FHR mode.
FHR curve display and 30 minutes curve replay function.
Detcttion and Indication of probe off.
Improper FHR alarm value adjusted. The red / ornage / green FHR value indicates different alarm class.
Turn to power saving mode automatically without signal within 30 seconds.
Auto shut off without signal within 2 minutes.
Earphone part supports FHR sound output to earphone or recorder
friendly human-machine interface for menu selection.
Standard 9V alkaline battery is available for power supply, which can support 300 minutes continuous work.
Specifications
FHR
Ultrasound frequency 2.0 Mhz
Intensity 5cmW / cm2 or less
FHR Range 60 – 210bpm
FHR Range for manual count code 30 – 250bpm
FHR Accuracy ± 1bpm
Display
Color OLED display FHR value, FHR intensity, improper FHR alarm signal,
record signal, run time, speaker volume, battery capacity indicator,
Working mode, frequency of the probe and FHR synchronization symbol
