Contec 300G Electrocardiograph 3 Channel with Interpretation


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ECG300G is an Electrocardiograph which can collect 12-lead ECG signal and print waveform by the thermal printing system. It features in, recording and displaying ECG waveform in AUTO/Manual mode, measuring and diagnosing ECG waveform parameters automatically, prompting for “Lead off” and “Lack of paper”, multi-language interface, AC/DC, selecting any rhythm lead, case database management.

Main Features

1)Sync collection for 12-lead ECG, adopt digital signal processing technology and get high-quality ECG waveform via power frequency filter, baseline filter and EMG filter of ECG signal.
2)Display of 3/6/12-lead ECG, print mode, sensitivity, paper speed and filter state, etc. on one screen, convenient for contrastively diagnosing.
3)Multiply printing modes and formats, including manual, auto 4×3, auto 3×4+1, auto 3×4, auto 2×6+1, auto 2×6, auto 3-2+1, auto 3-2, auto 1×12+1, auto 1×12, rhythm 4, rhythm 3 and rhythm 2, etc. Waveform length printed can be adjusted, and with time print function, which meets different requirements.
4)With the functions of auto-analysis and auto-diagnosis for routine ECG parameters, provide measurement results and auto-diagnosis conclusion for HR, P-R interval, P Duration, QRS Duration, T Duration, Q-T interval, Q-Tc, P Axis, QRS Axis, T Axis, R(V5), S(V1), R(V5)+S(V1), etc. which reduces the doctor’s burden.
5)Built-in memory stores up to 1000 cases, convenient for case review and statistic.
Multi-language(Chinese, English, Spanish, Turkish, Polish, Italian, French, German, Portuguese, Kazakstan, Russian, Ukrainian, Serbian and Slovenian) interface and report.



  • ECG Input Circuit: Floating; protection against Defibrillator effect
  • Lead: Standard 12 leads
  • Display: 3
  • Patient Current Leakage: 10µA
  • Sampling Rate: 1000Hz
  • A/D Conversion: 12 bit
  • Frequency Response: 1
  • Time Constant: >3.2 seconds
  • CMRR: >60dB >100dB (Add Filter)
  • Enduring Polarization Voltage : ±500mV
  • Noise Level: <15µVp-p
  • Measurement Parameters: EMG interference filter -  25Hz/35Hz (-3dB)
  • AC Filter: 50Hz/60Hz (≥20dB)
  • Recording way: Thermal printing system (32spots/mm)
  • Recording Paper: 80mm(W) x 20mm (L)
  • Sensitivity Choice: 5,10,20,40mm/mV, Auto

Wave Output:

  • Auto-Record: 25mm/s, 50mm/s
  • Rhythm Record: 25mm/s, 50mm/s
  • Manual record: 5mm/s, 6.25mm/s, 10mm/s,12.5mm/s, 25mm/s, 50mm/s
  • AC, DC: AC 220V,50Hz(110V,60Hz) and DC 7.4V, 3700mAh rechargeable lithium polymer battery
  • Fuse specification: 2pcs Ø 5 x 20mm AC Time lag: T250mA/250V (power supply 220V)
  • Product Safety Type: Class I, type CF applied part, which has Defibrillation – proof applied part
  • Fuse Specification: 2 pcs Ø5 x 20mm AC time lag:  T250mA/250V (power supply:  220V)
  • Dimensions: 315mm (L) x 215mm (W) x 77mm (H)
  • Net Weight: 2.


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  • Stock Level: Low Stock

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