3-Channel ECG Machine

7-inch color TFT display with high resolution: 800 × 600 dpi.

Features

7-inch high-resolution color touch screen

12-lead simultaneous acquisition and display

ECG automatic measurement and interpretation function

Complete digital filters resisting baseline drift, AC, and EMG interference

Compact and lightweight design

Supports USB flash drive and micro SD card for memory expansion

Software upgrade via USB/SD card

Built-in rechargeable Li-ion battery

Technical Specifications

Item Specification

Lead Standard 12 leads

Acquisition Mode Simultaneous 12-lead acquisition

Measurement Range +5 mVpp

Input Circuit Floating; protection circuit against defibrillator effect

Input Impedance ≥50 MΩ

Input Circuit Current <0.05 µA

Record Mode Automatic: 3CH×4+1R, 3CH×4, 3CH×2+2CH×3, 3CH×2+2CH×3+1R, 6CH×2; 

Manual: 3CH, 2CH, 3CH+1R, 2CH+1R; Rhythm: any end selectable

Filter EMG Filter: 25 Hz/30 Hz/40 Hz/75 Hz/100 Hz/150 Hz; DFT Filter: 0.05 Hz/0.15 Hz; AC Filter: 50 Hz/60 Hz

CMRR >100 dB

Leak Current <10 µA (220–240 V)

Frequency Response 0.05–150 Hz (–3 dB)

Sensitivity 2.5 mm/mV, 5 mm/mV, 10 mm/mV, 20 mm/mV (error: ±5%)

Anti-Baseline Drift Automatic

Time Constant 23.2 s

Noise Level <15 µVp-p

Paper Speed 12.5 mm/s, 25 mm/s, 50 mm/s

Recording Mode Thermal printing system

Paper Specification Roll 80 mm × 20 m

Safety Standard IEC I/CF

Sample Rate Normal: 1000 sps/channel

Power Supply AC: 100–240 V, 50/60 Hz, 30–100 VA; DC: 14.8 V/2200 mAh, built-in lithium battery