3 channel veterinary ecg machine/ ekg machine 7 leads direct ... automaticallyPatient current leakage<10μAInput impedance≥10ΜΩ Calibrating voltage1mV±3% A/D conversion 12 bit Frequency response 0.05Hz ... ( horizontal, 25mm/sec )Paper speed 25, 50mm/s±3%Recording paper 50mm,20m, high-speed rollInput circuit current≤50nA ... 230×70mm Dimension of packing400×280×160mmWeight2.75kg 3-channel Vet Electrocardiograph