Cardiac Direct


GT-150 ECG Machine (Wide Screen)


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The CardioTech™ GT-150 EKG Machine is a high-quality and affordable three-channel ECG unit. Compact and light design makes it portable for any work situation.


  • Foldable LCD screen with waveform display and parameters configurable
  • High resolution thermal printer
  • Built-in rechargeable lithium battery, AC/DC power supply
  • Well designed membrane keyboard
  • Muti-languages selectable
  • Data transportation to PC via RS232/Ethernet port
  • USB Interface for patient data transportation
  • Compatible with external printer for 12 leads simultaneous printing
  • Complete digital filtering, avoiding baseline drift, AC, EMG interference
  • Automatic baseline adjustment to optimize printing position
  • Copy mode for additional copies of the latest auto-tested ECG
  • Lead-Off detection and alert
  • Selectable report formats: auto, manual, rhythm and HRV analysis
  • Interpretation tested with authoritative CSE database (option)

Technical Specifications:

  • Input Circuit: Defibrillator protection built-in
  • Lead: Standard 12 leads
  • Acquisition Mode: 12 leads simultaneously
  • A/D Converter: 12 bits/24 bits (optional DE12 ECG board)
  • Measurement Range: ±5mVpp
  • Time Constant: >3.2s
  • Frequency Response: 0.05Hz - 150Hz (-3dB)
  • Calibration Voltage: 1mV±3%
  • Sensitivity: 2.5, 5, 10, 20 (mm/mV)
  • Input Impedance: >50MΩ
  • Input Circuit Current: <0.05μA
  • Noise Level: <15μVp-p
  • Baseline Adjustment: Automatic
  • Patient Leakage Current: <10μA (220V-240V)
  • Patient Auxiliary Current: <0.1μA (DC)
  • Filter:
    EMG Filter: 25Hz/35Hz/45Hz/OFF
    DFT Filter: 0.05/0.15/0.25/0.5Hz
    0.32/0.67 (optional DE12 ECG board)
    Lowpass Filter: 150Hz/100Hz/75Hz
    AC Filter: 50Hz/60Hz
  • CMRR: 110dB/115dB (optional DE12 ECG board)
  • Recording Mode:
    Auto: 3CH, 3/2CH, 3CH+R, 1CH, 1CH+1R
    Manual: 3CH, 3/2CH, 1CH
    Rhythm: Single rhythm lead
  • Rhythm lead: Any lead selectable
  • Power Supply:
    AC: 100V-115V/220V-240V, 50/60Hz
    Built-in rechargeable Li-on battery: voltage-14.8V
    More than 3 hours continuous recording under battery supply
  • Recorder: Thermal printer
  • Record Paper: 80mm x 20m
  • Paper Speed: 5mm/s, 6.25mm/s, 10mm/s, 12.5mm/s, 25mm/s, 50mm/s (±3%)
  • Dimension: 288mm x 210mm x 70mm
  • Weight: 2.5kg
  • Display:
    320 x 240 pixels LCD (GT-150)
    192 x 64 pixels LCD (GT-100)
  • External Input/Output:
    Input: > 100kΩ ; Sensitivity 10mm/V ±5%
    Output: < 100kΩ ; Sensitivity 1V/mV ±5%
  • Communication Interface: Ethernet, RS232

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