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This clinical-grade fetal doppler is designed to safely detect and listen to fetal heartbeat using non-invasive ultrasound technology. It allows expectant mothers, caregivers, midwives, and healthcare workers to hear fetal heart tones and view real-time fetal heart rate data from the comfort of home or during antenatal assessments. The device supports monitoring awareness and early connection during pregnancy, offering reassurance between scheduled clinical checkups.
Built with a sensitive ultrasound probe and an easy-to-read LCD display, it provides clear sound output and stable heart rate measurement. The compact, lightweight design makes it convenient to use at home and portable enough for travel or mobile healthcare work. Whether for bonding moments or routine monitoring, this doppler offers a practical and reliable solution for prenatal care.
This device supports fetal monitoring and listening but does not replace professional prenatal care or diagnostic evaluation. Consult a healthcare provider if readings are irregular or unclear.
| Category | Specification |
|---|---|
| Model | JSL-T501 |
| Monitoring Method | Non-invasive ultrasound fetal heart rate detection |
| Heartbeat Detection Range | 65–210 bpm |
| Measurement Accuracy | ±2 bpm |
| Resolution | 1 bpm |
| Ultrasound Frequency | 3.0 MHz (optional: 2.0 MHz / 2.5 MHz) |
| Ultrasound Output Power | < 20 mW |
| Sound Pressure Level | < 0.1 MPa |
| Algorithm Technology | Autocorrelation FHR algorithm with DSP processing |
| Display Type | LCD screen (39 mm × 31 mm) |
| Audio Output | Built-in speaker with adjustable volume |
| Working Mode | Pulse-wave Doppler |
| Probe Type | High-sensitivity single crystal probe |
| Material | Medical-grade ABS plastic |
| Power Source | 2 × AA batteries (not always included) |
| Auto Power-Off | Yes — after approx. 1 minute of no signal |
| Operating Temperature | 5°C – 40°C |
| Operating Humidity | ≤ 85% RH |
| Storage Temperature | −20°C – 55°C |
| Storage Humidity | ≤ 93% RH |
| Atmospheric Pressure Range | 86 – 106 kPa |
| Dimensions | 128 × 96 × 30 mm |
| Weight | Approx. 161 g (without batteries) |
1 × Portable Fetal Doppler Unit (JSL-T501)
1 × High-Sensitivity Ultrasound Probe (Attached)
1 × User Manual
2 × AA Batteries (Included)
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