3 Modes Baby Heart Rate Detection Instrument Baby Heart Instrument Monitoring Household Pregnant Prenatal Baby Heart Rate Detector

* Note: You need to bring your own couplant
* Product description: 9 weeks testable
* 3 Mode:
Transient Mode
Average Mode
Manual Mode
* Mode switch key description: When the instrument is turned on or working, press the "M" key;
Curve model: switch between "curve display" and "digital display" at will;
Digital models: Press the "M" key to switch between average, transient, and manual modes (three modes switch)
* Three modes:
1. The default average mode (average data measured in 8 seconds) is turned on, and Avg is displayed;
2. Press the "M" key to enter the instantaneous mode (data measured in 2 seconds), and display Trs;
3. Press the "M" key again to enter the manual mode and display Man;
When switching to manual mode, press the "▲" button to start the test, and when you hear the fetal heart rate for the tenth time, press the "▼" button to end, and the fetal heart rate can be displayed;
* Weight: about 173g, including color box about 261g
* Packing size: about 175*115*5