Nellcor Oximax NPB-40, Service Manual

Page: 36 / 114

Performance Verification
28
5. The NPB-40 shows two dashes until the SRC - MAX stabilizes at 75 %SpO
2
.
The test pass criteria is 73 to 77 %SpO
2
inclusive.
6. The NPB-40:
• displays 75 %SpO
2
(pass criteria is 73 to 77 %SpO
2
inclusive)
• displays 60 bpm
• alarms
•
Pulse Amplitude
indicator displays low level modulation
Test #3: Modulation Level
1. Press the SRC - MAX %
MODULATION
selection button. The SRC - MAX %
MODULATION
LED lights.
2. The NPB-40 pulse blip bar initially increases in amplitude and then stabilizes.
3. The NPB-40:
• displays 75 %SpO
2
(test pass criteria is 73 to 77 %SpO
2
inclusive)
• displays 60 bpm (test pass criteria is 57 to 63 bpm inclusive)
• alarms
•
Pulse Amplitude
indicator displays high level modulation
4. Perform Test #1: BPM on page 26. The
Pulse Amplitude
indicator should
indicate high level modulation.