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Contec ECG90W Resting electrocardiograph digital 12-channel wireless

  • Contec ECG90W Resting electrocardiograph digital 12-channel wireless
  • Contec ECG90W Resting electrocardiograph digital 12-channel wireless
  • Contec ECG90W Resting electrocardiograph digital 12-channel wireless
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Product Description

Contec ECG90W Resting electrocardiograph digital 12-channel wireless


ECG90A is an electrocardiograph collecting 12-lead ECG signal simultaneously and printing ECG waveform with thermal 
printing system, which features in, recording and displaying ECG waveform with manual or auto mode, measuring and 
diagnosing ECG waveform parameters automatically, prompting for “Lead off” and “Lack of paper”, optional interface languages(Chinese/English), case database management.



- 2.83" TFT-LCD, clear ECG waveform and working state display.
- Operation mode: touch screen and function keys.
- Compact, delicate and portable design.


1) Sync collection for 12-lead ECG, adopt digital signal processing technology to get high-quality ECG waveforms via AC 
filter, baseline filter and EMG filter of ECG signal.

2) Particular and high-accurate digital filter eliminates baseline drift, no distortion to ECG waveform, greatly enhances 
anti-baseline drift capacity, convenient for waveform judgement.

3) Display of 3/6/12-lead ECG, print mode, sensitivity, paper speed and filter state, etc. on one screen, convenient for 
contrastively diagnosing.

4) Real-time and continuously record the clear and accurate ECG waveform and annotation character(including lead 
mark, sensitivity, paper speed and filter state, etc.).

5) Adopt high-resolution thermal printing system(8 dot/mm), no need for any adjustments. Recording frequency: up to 

6) 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, 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.

7) Optional SD card stores up to 100 cases, which is convenient for doctor to review case and statistic.

8) In review mode, case waveform stored can be checked, measurement parameter and diagnosis information can be 
automatically analyzed.

9) Two languages(Chinese or English) interface and report.

10) Optional ECG-Sync software, connect with PC by USB2.0 interface to form a ECG workstation, collect real-time 
data to the software for analyzing and printing the report, and old cases stored in ECG can be uploaded to PC.

Power supply

AC/DC, and in optimal DC state, built-in rechargeable lithium battery can continuously work for 4h, print up to 90 
minutes and 150-ECG, which meets the requirements of visiting a patient at home and body examination. Rechargeable 
lithium battery is detachable, which is convenient for user to replace and charge in any time.


- Working environment

  • Temperature: 5℃~40℃
  • Relative humidity: 25%~80%(non-condensing)
  • Atmospheric pressure: 700hPa~1060hPa

- Transport and storage environment

  • Temperature: -40℃~+55℃
  • Relative humidity: ≤95%
  • Atmospheric pressure: 500hPa~1060hPa

- Input mode: floating and defibrillation protection
- Frequency response: 0.05Hz ~ 150Hz(-3dB~+0.4dB)
- CMRR: >60dB, >100dB(add filter)
- Time constant:≥ 3.2s
- Patient leak current: <10µA
- Calibration voltage: 1mV
- Sensitivity: 5, 10, 20 mm/mV ±5%, standard sensitivity: 10mm/mV±2%
- Noise level: ≤15µVp-p
- Input circuit current: ≤50nA
- Input impedance: ≥50MΩ
- Sampling accuracy: 12-bit
- Safety classification: class Ⅰ, type CF and defibrillation-proof applied part
- Recording mode: thermal printing system
- Paper size: 50mm(W)×20m(L)
- Measurement parameters: 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)
- Sampling frequency: 1000Hz
- Polarizing voltage: ±500mV
- EMG interference filter: 25Hz/35Hz(-3dB)
- AC filter: 50Hz/60Hz(-20dB)
- Paper speed:

  • Auto: 6.25, 12.5, 25, 50mm/s, ±5%
  • Manual: 6.25, 12.5, 25, 50mm/s, ±5%

- Power supply: DC 12V adapter, 7.4V/2000mAh rechargeable lithium battery
- Waterproof degree: IPX0
- Working mode: continuous working
- Dimension: 207mm(L)×96mm(W)×62mm(H)
- Weigh: 0.5Kg

Package Include:

* A lead cable
* A limb electrode
* A chest electrode
* A thermal recording paper
* A power cord
* An earth wire
* A user manual
* A power adapter

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