Technical Data
VF4 Infinity Gamma Series Page D-13
Degree of Protection
Against Electric Shock
CF
Pacer Pulse Detection On active ECG lead
Pacer Pulse Detection
Level
Amplitude: ± 5 to ± 700 mV
Width: 0.1 to 2.0 ms
Separation between pulses: ≥30 ms
Recharge time constant: 4 to 100 ms
Over/Undershoot: 0.025 a
p
2 mV maximum
Lead Off Sensing Cur-
rent
<50 nA DC from LL, LA, RA and V Leads
Arrhythmia
Measurement Range 0 to 300 beats/minute
Display Resolution 1 beat/minute
Accuracy ± 5 beats/minute or ± 10% of the rate, whichever is
greater
Response Time < 4 seconds
ST Segment Analysis
Measurement Range -15 mm to +15 mm (-1.5 mV to +1.5 mV)
Accuracy ±1mm/0.1mV RTI
Isoelectric Point Range From start of the averaged ST complex to Fiducial
Point, in increments of 4 ms
ST Point Range From Fiducial Point to end of the averaged ST com-
plex, in increments of 4 ms
Display Resolution 0.1 mm/0.01mV (10µV)
Response Time 15 seconds
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