T8000A ECG-workstation 12-lead ECG with auto interpretation ,High frequency ECG,FCG,VLP,VCG,QT dispersion ,TVCG, ... Sample rate :1000Hz RS232 interface with PC Sample rate :500Hz Resolution :12bit Receiver power :5.0V (DC) Lead:12 lead standard ... ECGNine functions12-lead ECG with auto interpretation ,High frequency ECG,FCG,VLP,VCG,QT dispersion ,TVCG ...