Appendix D – Technical Specifications: Computerized Electrocardiograph
MAC 5000 System — 2000657-057, Revision B D-3
Computerized Electrocardiograph
Item Description
Instrument Type 14 leadwire microcomputer-augmented, automatic electrocardiograph
Battery Capacity 100 ECG acquisitions and one-page reports or 6 hours continuous operation (without printing)
ECG Storage 150 ECG’s (typ), 200 (max) on removable media (1.44 MB, 3.5” diskette)
Acquisition Simultaneous acquisition of up to 14 leadwires with programmable lead configurations
Analysis 12SL adult and 12SL pediatric analysis. Optional: HI-RES or PHI-RES late Potential Analysis (standard 12 leads plus leads
V3R, V4R, V7), ACI-TIPI
Analysis Sampling Rate 500 samples/s (sps)
Digital Sampling Rate 4000 samples/s/channel
Dynamic Range ±320 mV DC, ±10 mV AC
Resolution 4.88 µ V/LSB @ 500 sps
Frequency Response –3 dB @ 0.01 to 150 Hz
Common-Mode Rejection 140 dB minimum (123 dB with AC filter disabled)
Input Impedance >10 MW, defibrillator protected
Patient Leakage Current <10 µ A
Pacemaker Detection
Sensitivity
750 µ V amplitude, 50 µ s duration, Orthogonal LA, LL and V6
Special Functions Disconnected and/or shorted lead detection, excessive AC noise, baseline wander, muscle tremor messages,
preacquisition, and electrode impedance
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