Revision B B-3
Appendix B: Technical Specifications: Technical Specifications
MAC 5000 resting ECG analysis system
2000657-002
Technical Specifications
Table B-1. Computerized Electrocardiograph
Item Description
Instrument Type 15 lead (14 channel) microprocessor-augmented, automatic electrocardiograph
Analysis Frequency 500 samples/s (sps)
ECG Storage 150 ECG’s (typical), 200 (maximum) on removable media (1.44 MB, 3.5” diskette)
Digital Sampling Rate 4000 samples/s/channel
Analysis Pediatric and vectorcardiography
Optional: 12SL analysis, HI-RES and PHI-RES late potential analysis
Pre-acquisition Provides 10 s of instantaneous ECG acquisition
Dynamic Range AC differential: ±5 mV
DC offset: ±320 mV
Resolution 4.88 µV/LSB @ 250 sps, 1.22 µV/LSB @ 500 sps
Frequency Response –3 dB @ 0.01 to 150 Hz
Common Mode Rejection >140 dB (123 dB with AC filter disabled)
Input Impedance >10 M
Ω @ 10Hz, defibrillator protected
Patient Leakage Current <10 µA
Pace Detection 750 µV @ 50 µs duration, Orthogonal LA, LL and V6
Special Acquisition Functions Disconnected lead detection, electrode impedance
Communication MAC and MUSE system compatible RS-232
Optional: Modem and FAX transmission, remote retreival (remote query)
Table B-2. Display
Item Description
Type 264mm (10.4 in.) diagonal graphics backlit AM LCD
Resolution 640 x 480 pixels, with waveform enhancement
Displayed Data Heart rate, patient name, ID, clock, waveforms, lead labels, speed, gain and filter
settings, warning messages, prompts and help messages
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