Revision E MAC 5500 resting ECG analysis system B-3
2020299-020
Appendix B – Technical Specifications: Technical Specifications
Technical Specifications
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
Computerized Electrocardiograph
Item Description
Instrument Type 15 lead (14 channel) microprocessor-augmented, automatic electrocardiograph
Analysis Frequency 500 samples/s (sps)
ECG Storage 200 (maximum) on internal, non-volatile memory. Facility to archive ECG records on
removable media (SD card).
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
@ 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, AC noise, baseline wander, and
muscle tremor
Communication MAC and MUSE system compatible RS-232
Optional: Modem, LAN, FAX, and wireless transmission, remote retrieval (remote query)
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