AV-9120 12-Channel ECG


Model Shown:AV-9120

















 • 12.1 inch (resolution: 800*600) high-resolution color folding up touch-screen.

 • Multi-language support: Chinese, English, Spanish, Polish, Italian.

 • Hand writing support.

 • Waveforms and auto-diagnosis results preview and editing before printing.

 • Support ECG work station.

 • Support PACS system. Doctor can view ECG waveform and diagnosis report from system directly.

 • USB socket to connect external Printer. Support A4 paper printing.

 • USB flash disk for data record and recover.

 • Recording Calibration system.

 • Anti-defibrillation and Pacemaker detection.

 • 12-lead simultaneous acquisition, amplification and recording.

 • Digital and full-floating design.

 • Various record systems, 210mm, 216mm width thermal printer papers.

 • Correct record ECG waveform, gain, record speed, patient information and measurement report.

 • 1:1 ratio for LCD screen waveforms and output waveform.

 • net-grid on screen and record paper are the same.

 • DC and AC power supply, built-in rechargeable Lithium battery, at least 2 hours working time.

 • Last 120 seconds 12-leads waveforms reviewable and recordable.

 • Alphanumeric keyboard, individual capital and numeral key. (optional for touch screen input)

 • 300 ECGs internal memory, USB Interface for data transmission to PC to expand memory capacity.

 • Automatic measurement and interpretation tested.

 • 122 kinds of arrhythmia analysis.

 • Manual/Auto/ Rhythm working modes selectable.

 • Three kinds of recording modes: Record and not printout, record and printout, no record only printout.

 • Sketch of displaying and closing ECG leads. Indication of leads off.

 • Using unique high-precision digital filter to eliminate baseline drift and other disturbances, avoid ECG waveform distortion and greatly enhance the anti-baseline drift capability to facilitate waveform detection.

 • Long-distance data transferred through network socket.

 • Digital filter Mode.

 • Accessories: 1 x power cable, 1 x Patient Cable, 6 x Chest Electrodes, 4 x Limb Electrodes, 1 x Paper Roller, 1 x Record Paper, 1 x Ground Line, 2 x fuses





Standard 12 leads


12.1 inch touch color TFT display (Resolution 800×600) high-resolution color folding up touch-screen


 • 2.5mm/mV,
 • 5mm/mV,
 • 10mm/mV,
 • AGC(automatic),
 • 20mm/mV,
 • 10/5mm/mV(classification, front means lead gain, behind means chest lead gain),
 • 20/10mm/mV(classification, front means lead gain, behind means chest lead gain), accuracy ±2%.

AC Filter


EMC Filter


Drift Filter


Lowerpass Filter


Calibration Voltage

1mV ± 1%

Noise Level

< 15µVp-p

Frequency Response


Time Constant

≥ 5s

Input Impedance


Input Circuit Current

< 50nA

Tolerance Voltage

± 650mV

Anti Baseline Drift


Recording System

210mm, 216mm width thermal printer papers

Rhythm Lead

single channel and three channels selectable. 12 leads selection for each channel

Recording Mode


Recording Format

12x1, 3x4, 6x2, 3×4+1R, 3×4+3R, 6×2+1R (R: rhythm lead)

Average Template

4×3+1R, 6×2+1R recording

Record speed

5mm/s, 10mm/s, 12.5mm/s, 25mm/s,, 50mm/s

Record Paper

Roller and Z-fold

Roller paper

210mm X 216mm

z-fold paper

210mm x 295mm, 210 x 140mm or 216mm x 295mm, 216mm x 140mm

Safety Standard

I, CF type, anti-defibrillation


300 ECGs




AV-9120 (12-Channel ECG)