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Nellcor N-20P
Mallinckrodt Nellcor N-20P Manuals
Manuals and User Guides for Mallinckrodt Nellcor N-20P. We have
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Mallinckrodt Nellcor N-20P manual available for free PDF download: Service Manual
Mallinckrodt Nellcor N-20P Service Manual (82 pages)
Portable Pulse Oximeter
Brand:
Mallinckrodt
| Category:
Medical Equipment
| Size: 1.44 MB
Table of Contents
Table of Contents
3
Introduction
7
Manual Overview
7
Warnings and Cautions
7
Description of N-20 Portable Pulse Oximeter
7
Routine Maintenance
9
Overview
9
Cleaning
9
Periodic Safety and Functional Checks
9
Battery
9
Performance Verification
11
Introduction
11
Required Materials
11
Performance Tests
11
Troubleshooting
17
How to Use this Section
17
Who Should Perform Repairs
17
Replacement Level Supported
17
Obtaining Replacement Parts
17
Troubleshooting Guide
17
Service Procedures
20
Error Codes
23
Disassembly Guide
25
Introduction
25
Required Equipment/Tools
25
Figure 5-1: Sensor Lock, and Printer, Paper, and Battery Access Doors
26
Figure 5-2: N-20 Covers with the PCB and Display Assembly
27
Figure 5-3: Main, Auxiliary, and Display PCB Assembly
28
Figure 5-4: Printer and Flex Circuit Installation
29
Spare Parts
31
N-20/N-20P Spare Parts
31
Packing for Shipment
33
General Instructions
33
Repacking in Original Carton
33
Specifications
35
Readout
35
Controls
35
Operating Modes
35
Printer Output
36
N-20/N-20P Performance
36
Sensor Types
37
Electrical Specifications
37
Environmental Specifications
38
Physical Specifications
38
Technical Supplement
39
Overview
39
Functional Versus Fractional Saturation
39
Measured Versus Calculated Saturation
39
Circuit Analysis
40
Functional Overview
40
Figure 9-1: Oxyhemoglobin Dissociation Curve
40
Spo 2 Analog Circuitry Block Diagram (Figure 9-3)
41
Figure 9-2: Overall Block Diagram
41
Figure 9-4: Digital Circuitry Block Diagram
42
Figure 9-5: Power Supply Block Diagram
42
Definition of Terms
43
Figure 9-6: Display Control Block Diagram
43
Figure 9-7: Printer Control Block Diagram
43
Overall Block Diagram
44
Spo 2 Analog Circuitry
45
Figure 9-11: Variable Gain Circuit
48
Figure 9-12: Filtering Circuit
49
Digital Circuitry
50
Figure 9-4: Digital Circuitry Block Diagram
50
Figure 9-14: N-20 Hardware Block Diagram
52
Support Illustrations
68
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Mallinckrodt Categories
Medical Equipment
Monitor
Measuring Instruments
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