Welch Allyn Atlas Monitor - User Manual - Manual (Page 80)

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Pacemaker Rejection per EC13:1992 Clause 3.1.4.1 Rejects all specified pacemaker signals, including
double paces, without over/undershoot.
Exception: Ineffectively paced QRS pattern may
cause a QRS to be rejected and not counted as a
pulse when the pace occurs very close to the R
wave.
Pacemaker Rejection per EC13:1992 Clause 3.1.4.2 Rejects all specified pacemaker signals, including
double paces, with over/undershoot with the
exception of
±2 mV amplitude, 0.1 ms duration, 0.5
mV overshoot, time constant=100
A.5 Printer (standard Model 623xx, optional Models 621xx & 622xx)
Printing method Direct thermal
Printer type Thermal array
Resolution Vertical: 8 dots/mm (203 dots/inch)
horizontal: 12 dots/mm (305 dots/inch)
Printing speed 25 mm/second
Chart position accuracy (dot to dot) ±5%
Effective print width 54 mm ± 0.2 mm
Paper capacity 100 foot roll of 58 mm paper, non printed grid
Paper loading non-threading, drop-in from top of unit
Time scale 25 mm/second
Printout data Waveform: 15 second record of ECG; lead
selected, gain setting, time scale
Waveform: 15 second record of selected second
waveform
Numeric: Systolic, Diastolic, MAP, ETCO
2
,
Respiration Rate, Temperature, Time and Date (as
configured)
Print timing Waveforms: 9 seconds prior to PRINT button
press, 6 seconds after button press
Numeric data captured at time of button press
A.6 Impedance Respiration (Models 622xx & 623xx)
Measurement Technique Trans-thoracic impedance
Leads RA to LA (Lead I)
Current 50 nA max