... change automaticallyPatient current leakage<10μAInput impedance≥10ΜΩ Calibrating voltage1mV±3% A/D conversion 12 bit Frequency response 0.05Hz~ ... 150Hz (IEC)Time constant >3.2seconds CMRR>80dB>100dB (with filter)EMG filter 35Hz (- ... dots/mm ( horizontal, 25mm/sec )Paper speed 25, 50mm/s±3%Recording paper 50mm,20m, high-speed rollInput circuit current≤50nA Power supplyAC ...