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Performance Verification
Pulse Oximetry Functional Tests
Introduction
24
These tests utilize the pulse oximetry functional tester (Nellcor model
SRC-MAX) to verify the performance of the NPB-40. See Figure 2.
These tests should be done in sequence.
1 — NPB-40 Cable Connector
2 — RED LED Drive Indicator
3 — Not Used For NPB-40
4 — Not Used For NPB-40
5 — Battery Low Indicator
Figure 2: SRC-MAX O
The SRC-MAX functional tester allows qualified technicians to functionally test
Nellcor O
M
technology-based pulse oximeters and OEM O
XI
AX
technology-based monitors. The technician must perform the test setup procedure
before performing tests 1 through 4. The following is a brief description of each
test:
•
Test Setup — This procedure establishes the baseline for all the other
tests. The Test Setup procedure must be performed before performing any
or all of the SRC-MAX tests.
•
Test 1: BPM — This procedure simulates an O
patient indicating 60 bpm and 200 bpm. The test setup procedure sets up
Test 1 for 60 bpm.
•
Test 2: SpO
— This procedure simulates an O
2
patient, indicating 75 percent blood oxygen saturation and 90 percent
6 — % Modulation Select Button
7 — % SpO
Select Button
2
8 — Light Level Selection Button
9 — Pulse Rate Selection Button
10 — INFRARED LED Drive Indicator
M
Oximetry Tester
XI
AX
M
XI
AX
M
XI
AX
M
XI
AX
sensor attached to a
sensor attached to a
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Troubleshooting
