Dopper fetal machine

Product parameters
Product Name
Fetal heart meter household Doppler ultrasound pregnant women hand-held portable fetal sound fetal movement stethoscope fetal
heart monitor
Product Display
LCD screen
FHR measurement range
50~230BPM (BPM: heartbeat per minute)
Product Probe
3.0 MHz Battery: 2 1.5V batteries (not included)
Product Battery
2 AA+ dry batteries
Product Size
135*70*40mm
Product Weight
205g
Operating environment requirements：
Temperature
+ 5°C ~ + 40°C
Humidity
≤80%
Atmospheric pressure
70kpa ~l06kPa
Transmission and storage environment requirements
Temperature
-10°C ~ + 55°C
Atmospheric pressure
50kpa ~l06kPa
FHR Performance
FHR measurement range
50~240BPM (BPM: beats per minute)
Accuracy
±2 bpm
Energy consumption
< 0.8w
Automatic shutdown
Automatic shutdown after 1 minute no signal
Recommended battery model
2 1.5V DC batteries (AA LR6)
Nominal frequency
2.0 mhz
Operating frequency
2.0mhz ±10%
Ultrasonic output intensity
Isata< 5 mW/cm2
Working mode
Continuous wave Doppler
Inverter effective radiation area
208mm2±15%