Fashionstore Ultrasonic Fetal Doppler Detector

Product Specifications:Material: ABSColor: white - Battery: 2 * AA battery (not included)Earphone: 3.5mm 32 Mono or dual-channel headphones - Ultrasonic-operating frequency: 2.5MHz - The deviation between the ultrasonic-working frequency and the nominal ultrasonic-working ...Product Specifications:Material: ABSColor: white - Battery: 2 * AA battery (not included)Earphone: 3.5mm 32 Mono or dual-channel headphones - Ultrasonic-operating frequency: 2.5MHz - The deviation between the ultrasonic-working frequency and the nominal ultrasonic-working frequency: should not be more than ±15%Overall sensitivity: 290d - B (At a distance of 200mm from the probe surface, the comprehensive sensitivity)Fetal heart rate measurement and display-range: should not be less than 65-210BPMThe speed of sound: 1520 1620m/s - Acoustic impedance: 1.5- 1.7 × 106 Pa.s/m - Acoustic attenuation : < 0.05dB/(cm.MHz)Working Temperature: 5°C-40°CPackage Included:1 x Fetal Doppler1 x English User Manual - Note:1. Please allow 1-2cm differs due to manual measurement.2. Due to lighting effects, monitor’s brightness , contrast settings etc,there could be some slight differences in the Colour tone of the pictures and the actual item.3.

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