GE MAC 3500 Resting ECG

Display Screen

• 6.5 in (165 mm) diagonal graphics backlit AM LCD (color optional)
• 640 x 480 pixels with waveform enhancement
• Data: Heart rate, patient name, ID, clock, waveforms, lead labels, speed, gain and filter settings, warning messages, prompts, and help messages. 6 leads maximum.

Dimensions

• Height: Approximately 7.6 in (19.3 cm)
• Width: Approximately 15.6 in (39.6 cm)
• Depth: Approximately 15.0 in (38.1 cm)
• Weight: Approximately 7.0 kg (15.5 lbs), including battery, without paper

Electrical Power

• Power supply: AC or battery operation
• Voltage: 100 to 240 VAC +10, –15%
• Current: 0.5A @ 115 VAC, typical; 0.3A @ 240 VAC, typical
• Frequency: 50 to 60 Hz ±3Hz
• Battery Type: User replaceable, 18V @ 3.5 AH ±10% rechargeable NiMH
• Battery Capacity: 100 single page reports, (typical) or 6 hours continuous display (without printing)
• Battery Charge Time: Approximately 4.5 hours from total discharge (with display off)

Processing

• ECG Interpretation: Marquette 12SL ECG Analysis Program for Adults and Pediatrics
• Computerized Measurements: 12-lead analysis
• ECG Analysis Frequency: 500 samples/second (sps)
• 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 Differential ± 5mV, DC offset ±300 mV
• Resolution: 4.88 μV/LSB @ 250 sps; 4.88 μV/LSB @ 500 sps
• Frequency Response: [–3] dB @ 0.01 to 150 Hz/li>
• Common Mode Rejection: >140 dB (123 dB with AC filter disabled)
• Input Impedance: >10MΩ @ 10 Hz, defibrillator Protected
• Patient Leakage: <10 μA
• Pace Detect: Orthogonal LA, LL, and V6; 750 μV @ 50 μs
• 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.

Writer

• Writer Technology: Thermal dot array
• Writer Speeds: 5, 12.5, 25, & 50 mm/s (same as displayed)
• Number of Traces: 3, 6, or 12 user selectable (same as displayed)
• Writer Sensitivity/Gain: 2.5, 5, 10, 20, 10/5 (split calibration) mm/mV (same as displayed)
• Writer Speed Accuracy: ±10% at 5 & 12.5 mm/s; ±2% at 25 & 50 mm/s
• Writer Amplitude Accuracy: ±5%
• Writer Resolution: Horizontal 1000 dpi @ 25 mm/s, 200 dpi vertical
• Paper Type: Thermal, Z-fold, perforated, fan fold, 300 sheets/pack
• Paper Size: A Size: 8.45 in x 11 in, (214.63 mm x 280 mm); A4 Size: 8.27 in x 11.7 in (210 mm x 297.5 mm)