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2.7 Technical Specifications
General Performance
Audio Frequency Response Bandwidth of 20 Hz - 2000 Hz
Audio Playback Volume Output level from 85 to 100 dB SPL A-weighted with user selectable volume levels
User Volume Protection Max Sound Pressure Level (SPL) output of 100 dB, SPL A weighted
ECG Performance 2 channel ECG in real-time in the 0.1 - 250 Hz frequency range
Range of accuracy for heart rate measurement 30 bpm - 200 bpm*, mean absolute error +/- 5bpm
Expected Device Service Life 2 years for CORE 500™ system and battery
Applied Parts
Type BF Applied Part (not defibrillation proof). The 3 electrodes and a left leg electrode on the bottom face of the
device are Type BF Applied Part
Mode of Operation Continuous
Essential Performance
The CORE 500™ Digital Stethoscope is intended for auscultation. The device also provides the ability to capture, and transmit, heart sounds and ECG readings on the
accompanying mobile application. The device displays a heart rate.
Bluetooth Characteristics
General
• Support communication with supported Bluetooth Low Energy (BLE) 4.2 and BLE 5.0 clients.
• BLE works in the 2.4 GHz frequency band, which is known as the Industrial, Scientific and Medical (ISM) band.
• Bluetooth supports data transfer up to 33 feet (10 meters).
Data Transfer Encryption Data transferred via Bluetooth is encrypted
Power
Battery Type Internally powered using rechargeable 3.7 V Lithium-ion polymer cell
Battery Life
<80% of battery capacity self drains in 6 months
Minimum 5 hours continuous use
Physical Characteristics
Dimensions 27 inches (685mm) long
Weight 6.6 ounces (186g) with earpiece
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