Revision D MAC 1200 resting ECG analysis system 9-5
2012250-095
Specifications: Basic Information
Detection of Pacer Pulses
Pulse length between 0.1 and 2.5 ms
Pacer pulse marker independent of pulse polarity
Pulse amplitude between ±5 mV and ±700 mV
Heart Rate Indication
Derivation of the heart rate from all ECG signals.
Display range between 30 and 300 bpm.
Display update with every heart beat, maximum every 2 seconds.
Signal Inputs
Isolated patient signal input, IEC type CF, high-voltage protection for all lead
connections and neutral electrode, interference compensation via neutral electrode,
monitoring for open leads.
Electrode connections for RA, LA, LL, LA, V1 to V6
Input impedance for differential signals between any two electrode connections
> 10 M at 10 Hz
Input impedance for common-mode signals referred to neutral electrode > 50
M up to 60 Hz
Dynamic range for differential signals between any two electrode connections
for AC voltage ±10 mV, for superimposed DC voltage (polarization voltage)
±600 mV
Dynamic range for common-mode signals referred to neutral electrode ±1 V,
referred to chassis 263 V AC (rms)
Quiescent input current via any electrode connection for 1 kW termination
referred to neutral electrode < 50 nA
Patient leakage current (rms values) according to IEC, class CF: in normal
condition <10 A, in single-fault condition (e.g. patient in contact with line
voltage) < 20 A
Non-destructive range for lead-electrode connections and the neutral electrode
connection referred to neutral electrode ±50 V, referred to chassis ±1500 V
Pulse voltage resistance of all lead electrode connections and of the neutral
electrode connection referred to chassis (either polarity, e.g. defibrillation) 5000
V
Monitoring of each electrode for open leads: RA, LA, LL, RL, V1, V2, V3, V4,
V5, V6 audio signal at printer start
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