MetriScan Finger Bone Densitometer
Product Overview
Core Principle & Detection Site
Key Technical Parameters
- Device Specification: Tabletop type; Dimension: 40.6cm×40.6cm×40.6cm; Weight: 18.8kg
- X-ray Parameters: Voltage 60KV, Current 0.333mA, Exposure time: 0.3 seconds
- Radiation Dose: Single effective dose 0.012μSv, approximately 1/10000 of a standard chest X-ray, safe and controllable.
- Detection Efficiency: Exposure time<1 second, test result available in 40 seconds, the whole process (including report printing) ≤ 2 minutes..
Display & Acquisition
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5.6-inch LCD touch display with backlight
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Twelve-lead synchronous acquisition and recording, standard 12-lead recording
Electrical Performance
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Input impedance: >50 MΩ (10 Hz)
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Input circuit current: <50 nA
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Frequency response: 0.05–150 Hz (-3 dB)
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Gain: 1/4, 1/2, 1, 2 cm/mV, manual or automatic
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Common mode rejection ratio (CMRR): >103 dB
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Anti-polarization voltage: >550 mV
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Defibrillation protection with anti-defibrillation function
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Time constant: 3.2 seconds (0 ~ +20%)
Signal Processing
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Filters: AC, EMG, baseline drift, high-frequency, and low-frequency filters
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A/D resolution: 18-bit
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Sampling rate: 8000 samples/sec/channel
Recording & Printing
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Recording speed: 5, 10, 12.5, 25, 50 mm/s ±3%
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Thermal print head resolution:
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Vertical: 8 dots/mm
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Time axis: 1 ms
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Recording channels:
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3-channel
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3+1 (rhythm lead)
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3+2 (rhythm lead)
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6-channel
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6+1
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12-channel
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Recording paper: 210 mm wide roll paper (A4)
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Recording method: Built-in thermal array recorder, supporting automatic, manual, measurement, and analysis recording
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Capable of printing ECG waveforms, measurement values, and analysis/diagnostic reports, including:
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Rhythm analysis report
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Arrhythmia analysis report
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ST segment quantitative analysis report
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R-R interval histogram and trend graph
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Advanced Recording Functions
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Record review: Playback of 24-second measured ECG waveforms or review of 10-second ECG waveforms
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Post-exercise recording: Ability to record ECG waveforms after exercise or medication
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Automatic arrhythmia extended recording: During analysis, when arrhythmia is detected, the system automatically prints an arrhythmia ECG report
Storage & Interfaces
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Storage capacity: Main unit can store more than 300 sets of ECG data
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Output display: Supports connection to a secondary display
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Serial interface: Built-in RS-232C serial interface module (optional PC software)
Optional Functions
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Optional PC card support, capable of storing several thousand ECG data records
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Supports software upgrades