... % or +/- 1bpm,which greatResolution: 1 bpmSensitivity: > 200 (uV P-P)Differential Input Impedance: > 5 MΩCMRR Monitor: > 105 dB Operation: > 105 ... , PNP, PNCAlarm: AvailableReview: AvailableRESPARATIONMethod: Impedance between R-F(RA-LL)Differential Input Impedance: >2.5 MΩMeasuring Impedance Range: 0.3 ...