Features:
- Pocket BF-500A: LCD can display FHR, syncronous FHR signal, battery capacity indicator, volume and abnormal alarm signal etc;
- Built-in rechargeable battery. Modem inside can dial up and transmit the fetal heart beat signal to the tele-monitor center through a telephone line;
- Pocket BF-500B: the same with BF-500A excluding the dial function;
- Automatic power off (one minute) and alarm function for abnormal heart rate;
- Collocated with gallus and portable bag, easy to carry;
- Normative collocation: 2.0 MHz probe, 5.0 MHz probe to detect umbilical blood flow (for option).
- Pocket BF-500C: the same with BF-500B excluding the LCD;