BF-500B Fetal Doppler
BF-500B Fetal Doppler
Specification
◆ Pocket fetal Doppler mainly applies to detect Fetal Heart Rate (FHR) for fetus of more than twelve weeks ;
◆ BF-500B with a backlight LCD can display FHR, synchronous FHR signal, battery indicator, volume of sound and alarm indicator ;
◆ BF-500B can automatic keep in dormancy when no signal ;
◆ BF-500B have self-detect and alarm functions (when FHR is out of the normal range or battery power is not enough ) ;
◆ Only 300g, can be carried conveniently with a gallus ;
◆ Built-in speaker and collocated with earphone jack ;
◆ 2.0 MHz probe and easy to be replaced .
Specifications：
Ultrasonic frequency：2.0 MHz ± 10 % (C.W.)
FHR display range： 60 – 210 BPM ( ± 2 BPM )
FHR alarm range： ≤ 100 BPM or ≥ 160 BPM
Battery：9.6 V Ni-MH rechargeable batteries
Adapter input voltage： 220 V ± 10 % 50 Hz ± 1 Hz , (or AC 110 V ± 10 % 60 Hz ± 1 Hz )
Adapter output voltage：DC 12 V ± 1 V
Maximum audio output intensity：≤ 1.0 W
Automatic Dormancy time limit: ≥ 1 minute
Static working time： BF-500B ≥ 4 H
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