Performance Input Mode:Floating or defibrillation safety mode Frequency response: 0.05Hz ~ 150Hz(-3dB~+0.4dB) CMRR: > 60dB, > 100dB(add filter) Time constant: 3.2s Patient leakage current: < 10μA Calibration voltage: 1mV Sensitivity mm / mV ±5 percent, standard sensitivity: 10mm / mV±2 percent Noise level: < 15μVp-p Current input circuit: < 50nA Impedance input: < 50MM Auto record: set auto record format and mode, change leads automatically, calculate and analyze. Rhythm recording: set rhythm recording format and mode, measuring and analyzing automatically. Manual log: set record by file format, change leads manually. Parameters of measurement: HR, P-R, P Length, QRS Duration, T Duration, Q-T duration, Q-Tc, P Axis, QRS Axis, T Axis, R(V5), S(V1), R(V5)+S(V1) Paper size: 80mm(W)20m(L) Sampling frequency: 1000Hz EMG interference filte ...