... (-3dB) Sensitivity1/2, 1, 2 (cm/mV), Conversion Deviation=<5%Recording system Thermal-array8 dots/mm ( vertical ) 16 dots/mm ( horizontal ... , 25mm/sec )Paper speed 25, 50mm/s+_3%Recording paper 50mm,20m, high-speed rollInput circuit current=<50nA Power ... packing400x80x60mmWeight2.75kgDisplay with 5 language:English Italiano Deutsch Francaise Espanol Digital Single Channel ECG Machine