Introduction : 1. Features ? 3 channel ECG machine with interpretation ? Manual/Auto/Arrhymia Analysis Modes ? 80mm 3-ch recording with arrythm lead ? Built in rechargable Li-Ioin battery ? Adapter 110-230V, 50/60Hz AC power supply ? Real-time ECG waveform,1 6 patient save/reply ? Built in USB/RS232 interface(ECGNET software optional) 2. Technical Specification ? Lead: standard 12 leads ? Lead acquisition: 12bit/1000Hz?synchronously 12 leads? ? Work modes: MAN?AUTO?ANALYSIS modes ? Filter: AC Flter : 50Hz / 60Hz EMG Filter : 25Hz / 45Hz Anti-Drift Filter : 0.15Hz (Adaptive) ? CMMR: ?120dB (with AC filter) ? Input circuit: floating; protection circuit against defibrillator effect ? Input Impedance: ?50M? ? Input circuit current: ?0.05?A ? Input dynamicrange: ±10Vpp ? Patient current leakage: ?10?A ? Calibrating voltage: 1mV±2? ? Voltage tolerance: ?±500mV ? Time constant: ?3.2s ? Frequency response: 0.05?160Hz(-3db) ? Noise level: ?15?Vp-p ? Sensitivity valve: ?20?V ? Sensitivity: 5, 10, 20mm/mV ? Inter-channel Interference: ?0.5mm ? Paper speed: 25?50mm/s?±3?? ? Display:320x240 graphic 5.7inch LCD ? Dimension and weight: 285x265x72(mm), about 2.5Kg