1、 Product Introduction

The ultrasonic Doppler fetal measurement device is a standard measuring device for the comprehensive sensitivity and heart rate of the ultrasonic Doppler fetal device and the ultrasonic Doppler fetal heart monitor. It is suitable for various metrology departments and manufacturers of fetal heart monitors to measure the comprehensive sensitivity value, heart rate, Doppler signal voltage, noise voltage, and ultrasound frequency of the fetal heart monitor and the ultrasonic Doppler fetal heart monitor. It is a multifunctional measuring device.

IIaccording to the standard

YY/T 0449-2018 "Ultrasound Doppler Fetal Monitor"

3、 Performance parameters

1ZUILarge comprehensive sensitivity test

Uncertainty: 6dB

Repeatability is better than:±3db

measurement range：（70-120）dB

2. Ultrasonic frequency testing

measurement range：（1.5-5）MHZ

Accuracy better than：±1%

3. Heart rate test

measurement range：(50-250) times/minute

Accuracy better than：±0.2%

4Basic Configuration

Test host 1 unit

1 copy of instruction manual

Certificate of conformity: copies

Receipt: 1 copy

Power cord: 1 piece

Factory nameplate: 1 copy

Wrench: 1 set