Welch Allyn Atlas Operator's Manual page 83

Alarm Ranges
Display Sweep Speed
Start-up Time
Display
Interfering Gas Compensation:
Nitrous Oxide or Oxygen Concentration Greater
than 50%
No automatic compensation provided, user must
apply equations provided.
Stability
Rise Time
Delay Time
Total System Response Time
Sound Pressure
Diversion Flow
Adverse Effects of Testing per ISO 9918:1992
Clauses 50, 60, 61, 62; EN864:1997 Clauses 50,
101, 102, 103
Adverse Effects of Electrocautery, Electrosurgery,
Defibrillation, X-ray, IR, Conducted Transients,
Magnetic Fields, RFI
Low CO Limits: 0 to 97 mmHg
2
High CO Limits: 1 to 98 mmHg
2
Low Respiration Limits: 5 to 99 breaths/minute
High Respiration Limits: 6 to 100 breaths/minute
3.125, 6.25, 12.5 mm/second
<10 seconds to acquire waveform; <5 minutes to
full operating specifications
Waveform, Respiration Rate and CO
displayed on CRT and printer
O concentration >50%, no N
2
Actual CO = (displayed measurement) x 1.03
2
N O concentration >50%:
2
Actual CO = (displayed measurement) x 0.952
2
Unaffected by humidity or temperature within
specified operating range; unaffected by moisture
in sampled air
0.58 second rise time; 0.59 second fall time
5.4 seconds
5.99 seconds
Without tubing: 50.2 dB
With tubing: 48 dB
Nominal 175 ml/minute
System remains within specification
Clinical Utility within 8 seconds of electrosurgery
and defibrillation;
Not suitable for use in MRI
71
measurement
2
O:
2