Alarm Limits - Nellcor NPB-190 Service Manual

A4.1 Column Headings
NPB-190 Version 1.0.0
Time Tag %SpO2
To explain the printout, it will be necessary to break it down to its key
components. The first two lines of the chart are the column headings shown
above. Every 25th line will be a column heading. A column heading is also
printed whenever a value of the column heading is changed. There are three
column heading lines shown in Figure A-2. Using the top row as the starting
point, there are 25 lines before the second column heading is printed. The third
column heading was printed because the SpO
80-100%.
Printout Source
NPB-190 Version 1.0.0
Time Tag %SpO2
Data in the highlighted box above represents the source of the printout, in this
case the NPB-190.
Software Revision Level
NPB-190 Version 1.0.0
Time Tag %SpO2
The next data field tells the user the software level, (Version 1.0.0) and a
software verification number (CRC XXXX). Neither of these numbers should
change during normal operation. The numbers will change if the monitor is
serviced and receives a software upgrade.

Alarm Limits

NPB-190 Version 1.0.0
Time Tag %SpO2
The last data field in the top line indicates the high and low alarm limits for
%SpO and for the pulse rate (PR). In the example above, the low alarm limit for
2
SpO is 30% and the high alarm limit is 100%. Pulse rate alarm limits are: low
2
100 bpm, and high 180 bpm.
Column Headings
NPB-190 Version 1.0.0
Time Tag %SpO2
Actual column headings are in the second row of the column heading line.
Patient data presented in the chart is, from left to right: the time that the chart
was printed, the current %SpO
per minute (bpm), current pulse amplitude (PA), and the operating status of the
NPB-190.
CRC XXXX SpO2 Limit:
PR (bpm) PA Status
limits changed from 30-100% to
2
CRC XXXX SpO2 Limit:
PR (bpm) PA Status
CRC XXXX SpO2 Limit:
PR (bpm) PA Status
CRC XXXX SpO2 Limit:
PR (bpm) PA Status
CRC XXXX SpO2 Limit:
PR (bpm) PA Status
value being measured, current pulse rate in beats
2
Appendix
30-100% PR Limit: 100-180 bpm
30-100% PR Limit: 100-180 bpm
30-100% PR Limit: 100-180 bpm
30-100% PR Limit: 100-180 bpm
30-100% PR Limit: 100-180 bpm
A-3