Novametrix Medical Systems OXYPLETH 520A, Service Manual

Page: 83 / 133

5-Jun-01 Model 520A Service Manual
73
PRELIMINARY
16
Specifications
General
16.1
Specifications for the Novametrix OXYPLETH Pulse Oximeter, Model 520A, are
listed for informational purposes only, and are subject to change without notice.
Oxygen Saturation (SpO
2
) Section
16.2
• Range, 0-100%
• Accuracy, 80-100%
±
2%, 0-79% unspecified
(Approximately 68% of the observations are within the accuracy claim.)
• Display Resolution, 1%
• Averaging Time, menu selectable times of 2 and 8 seconds
• Audible SpO
2
Trend Feature
Pitch of (user selectable) Pulse Rate “beep” tracks the SpO
2
value (i.e.,
decreasing SpO
2
values are signalled by lower pitched “beeps”).
• Settling Time
Display settles to within 1% of the final reading less than 15 seconds after the sensor
is properly applied.
• Alerts
Continuously displayed. Menu selectable high and low limits (100-50). Visible
alarm is immediate. Audible alarm occurs after 10 seconds of continuous
violation of the set limit, or immediately. Limit values are retained in memory
when monitor is turned off, or the monitor can be set to use its default settings
each time it is turned on.
Pulse Rate Section
16.3
• Range, 30-250 beats per minute (bpm)
• Accuracy
, ±
1% of full scale
(Approximately 68% of the observations are within the accuracy claim.)
• Display Resolution, 1 bpm
• Averaging Time, fixed at 8 seconds
• Settling Time
Display settles to within 1% of the final reading less than 15 seconds after the sensor
is properly applied.