Sell Household Fetal Doppler Baby Fetal Monitor Lcd Display best price

Welcome to onlinelove1 This is a high-quality fetal heart rate detector, using doppler principle to obtain fetal heart rate from pregnant women's abdomen, and through voice monitoring, digital display, etc.You can use it to hear fetal heart sounds and calculate the FHR to achieve premonitoring and fetal care. Characteristics: High sensitivity probe, radiation - free, low ultrasonic power, safe and accurate. Led large display screen, fetal heart rate, battery capacity, volume at a glance. Equipped with volume adjustment function, you can adjust volume easily as required. Insert 3.5mm 32 single channel or dual channel headphone plug into the device's headphone jack, allowing the headset to listen to the fetal heart sound, while the device's external speaker will be closed without any sound output. After listening to a recognizable, rhythmic cadence, keep the probe still for at least 5 seconds so that the device can accurately measure and display the cadence rate. Powered by two AA batteries to support continuous work.(Battery free) Notes: The normal rate of fetal heart r-ange is 120-160 ppm. 100-120 bpm and 160-180 bpm are critical zones, and attention should be paid to them. Values below 100 bpm and above 180 bpm should be of high concern. Specifications: Name: tire phonometer Material: ABS White color Battery: 2xaa battery (excluding) Headset: 3.5mm 32 single channel or dual channel headset Ultrasonic frequency: 2.5 mhz Deviation between ultrasonic frequency and nominal ultrasonic frequency: should not exceed ±15% Integrated sensitivity: 290dB (200mm) Fetal heart rate measurement and display range: not less than 65-210 ppm Sound speed: 1520-1620m/s Acoustic impedance: 1.5-1.7x106 Pa.s/m Sound attenuation: < 0.05 db/(cm.MHz) Working environment: Temperature: 5°C-40°C Relative humidity: 25-80% RH Atmospheric pressure: 70 kpa-106 kpa2 Storage and transportation: Temperature: 5°C-45°C Relative humidity: 9-85% RH Atmospheric pressure: 50 kpa-106 kpa Viscosity: > 15Pa.S Ph: 5.5-8 Service altitude < 2000m Packaging size: 170x115 x 50mm/6.69x4.53x1.97 in Packing weight: 160g/5.64 ounce Packing list: 1 x fetal doppler 1 x guidelines