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| Месяц | Минимальная цена | Макс. стоимость | Цена |
|---|---|---|---|
| Mar-19-2026 | 0.13 руб. | 0.15 руб. | 0 руб. |
| Feb-19-2026 | 0.7 руб. | 0.25 руб. | 0 руб. |
| Jan-19-2026 | 0.26 руб. | 0.74 руб. | 0 руб. |
| Dec-19-2025 | 0.76 руб. | 0.24 руб. | 0 руб. |
| Nov-19-2025 | 0.51 руб. | 0.5 руб. | 0 руб. |
| Oct-19-2025 | 0.38 руб. | 0.37 руб. | 0 руб. |
| Sep-19-2025 | 0.50 руб. | 0.24 руб. | 0 руб. |
| Aug-19-2025 | 0.24 руб. | 0.46 руб. | 0 руб. |
| Jul-19-2025 | 0.30 руб. | 0.0 руб. | 0 руб. |
Описание товара









Ⅰ. Main Technical Specifications: Working frequency: 2.0 MHz ± 10% Ultrasonic output power:: Iob≤10 mW/cm2 Overall Sensitivity: ≥ 90 dB (Integrated sensitivity 200mm away from the the surface of the probe) While measuring integrated sensitivity, using the Doppler frequency (300 ± 50) Hz Reflecting target speed: 10cm / s ~ 40cm / s FHR measuring range : No narrower than 50bpm-240bpm (± 2bpm). (Beat Per Minute) FHR Accuracy: ± 2 BPM Spatial-peak temp-peak acoustic pressure:≤ 0.1 MPa. Negative Peak Sound Pressure:(p_)<1Mpa Output Beam Intensity:(Iob)<20mW/cm2 Spatial-peak Temporal-average Derived Intensity:(Ispta)<100mW/cm2 Continuous working time: ≥5h (Low battery capacity or large volume may reduce working hours) Coupling gel Acoustic impedance:1.5 ~1.6 (105g/cm2.s) Audio output power:≤1.0W Battery Type Recommended: Two pieces of 1.5 V DC battery (SIZE AA LR6). Working environment: Temperatrue: +5 ℃ ~ +40 ℃ Humidity: ≤ 80% Atmospheric pressure: 86kPa ~ 106kPa Transport and storage environment: Temperatrue: -10 ℃ ~+40℃ Humidity: ≤ 80% Atmospheric pressure: 86kPa ~ 106kPa,well-ventilated room without corrosive gases. Packing List : 1. Main Unit fetal doppler 2. User Manel 3. Retail Box
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