Invivo Magnitude 3150M, Operation Manual

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A-2
GENERAL
DISPLAY
Type LCD: 240 x 128 pixels
Screen Size 122 x 65 mm.
138 mm (5.64 in.)
Sweep Speed 25 mm/S.
3.125 mm/S (Respiration Only).
Waveform Display Mode Fixed trace with moving Erase Bar
Waveform Display Height 25 mm (±10%)
Display Bandwidth 33 Hz minimum
ECG CHANNEL
ECG AMPLIFIER
Overvoltage Protection Protected against defibrillator and electrosurgery potentials.
Standard Lead Configurations I, II, III, AVR, AVL or AVF.
Full lead selector with right-leg drive.
Differential Input Impedance 8 Megohm (at 10 Hz).
Common Mode Rejection Ratio 104 dB minimum with a patient cable connected and an
imbalance of 51 K
S
/45 nF at the line frequency.
Electrode Offset Potential Maximum ±0.4 VDC
Baseline Recovery 1 second after defibrillation, using special fast recovery
circuits.
CARDIOTACH
Digital Cardiotachometer 12 second average with 50% response time of 6 seconds.
Range 0 to 250 bpm.
Accuracy ±0.5% ±1 bpm.
Resolution 1 bpm
Maximum Sensitivity 200 uV peak for adults and 100 uV peak for neonates.
QRS Detection Spectral. Discriminates signal for frequency content,
minimum signal and width (with 60 Hz notch).