GE MAC 3500, Service Manual, Page: 155 / 180

Revision L
MAC™ 3500 Resting ECG Analysis System A-3

2021337-036
Technical Specifications: Instrument Type
Instrument Type
Item Description
Instrument type Microprocessor augmented automatic electrocardiograph;
Leadwire configurations 10-leadwire acquisition with programmable lead configuration
12-leadwire acquisition with NEHB configuration.
Processing
Item Description
ECG Interpretation: GE Marquette 12SL ECG Analysis Program for Adults and Pediatrics
Computerized measurements: 12-lead analysis
ECG storage: 50 ECGs in internal memory
External archiving: Optional secure digital card for 50 ECGs max
Supports 64 MB to 1 GB SD cards
Digital sampling rate: 4,000 samples/second/channel
Pre-acquisition: Provides 10 seconds of instantaneous ECG acquisition
Dynamic Range: AC Differ 5mV

DC 320 mV
Frequency response: – 3 dB @ 0.01 to 150 Hz
Common mode rejection: >140 dB (123 dB with AC filter disabled)
Digital sampling rate: 4,000 samples/second/channel
Pre-acquisition: Provides 10 seconds of instantaneous ECG acquisition
Input impedance:
>10M

@ 10 Hz, defibrillator protected
Patient leakage:
<10

A
Pace detect:
Orthogonal LA, LL, and V6; 750

V @ 50

s
Special acquisition functions: Disconnected lead detection, electrode impedance, excessive, AC noise, baseline wander
and muscle tremor messages
Heart rate meter: 30 to 300 BPM ±10% or 5 BPM, whichever is greater. Heart rates outside this range
will not be displayed.