Version 1: CardioScape PC-ECG 1.0 Function (1 function): ECG: 12-lead resting PC-ECG with auto interpretation Version 2: CardioScape PC-ECG 3.0 Function (9 functions): ECG: 12-lead resting PC-ECG with auto interpretation VCG: Vector-cardiograph with auto interpretation TVCG: Timed Vector-cardiograph FCG: Frequency ECG (unique technique to detect ischemia and CAD) HFECG: High Frequency ECG SAECG(VLP): Signal Averaged ECG or Ventricular Late Potentials, time domain and 3-D frequency domain) QTD: QT Dispersion with chroma map HRV: Heart Rate Variability (time domain, 3-D frequency domain, Lorenz poincare plots PMECG: Pacemaker ECG analysis Features: High sampling rate of 1000Hz Digital filter system Applying anti-baseline-drift technology ensuring the stability of ECG baseline Wilson and Frank hookup system Meet the international standard of IEC60601-1 Easy operation and perfect printout Diagnosis of coronary heart disease Perfect time domain, frequency domain and non-linear HRV analysis Perfect ECG database management system Specification: Sample rate: 1000Hz, simultaneous 12 leads recording Resolution:12bit Power: 5.0V (DC) Patient Insulation: 4000V AC Defibrillation Protection: Built-in box Digital resolution: 2V Frequency response: 0.05-250 Hz Common mode rejection: >90dB Input impedance: >10M Time constant: 3.2 s Max electrode potential: 300mV DC Dynamic range: 10mV Isolate voltage: 4000V Current leak: <10A Patient cable: standard 10-wire, 15-pin D connection PC interface: RS232