LI-COR LI-7500 Manuals

LI-COR LI-7500 Manuals

Manuals and User Guides for LI-COR LI-7500. We have 1 LI-COR LI-7500 manual available for free PDF download: Instruction Manual

LI-COR LI-7500 Instruction Manual

LI-COR LI-7500 Instruction Manual (155 pages)

CO2/H2O Analyzer

Brand: LI-COR | Category: Measuring Instruments | Size: 2 MB

Table of Contents

Table of Contents
5
Section 1. Introduction
9
Overview of the LI-7500
9
Getting Started Tutorial
12
Section 2. Theory of Operation
18
Measuring Absorptance
20
Cross Sensitivity
21
Zero Drift
22
Equation Summary
23
LI-7500 Implementation
26
A Note about Pressure and Temperature
28
Section 3. Setup and Operation
30
Installing the LI-7500
30
- Mounting the Control Box
  30
- Mounting the Sensor Head
  33
Serial Cable Connection
34
DAC Cable Connection
38
Installing the PC Communications Software on Your Computer
39
Operation - Using the LI7500 Software

39
- Connect Page - Establishing Communications
  40
- Calibration Page - Setting the Zero and Span
  42
- Cal Coefficients Page
  45
- Changing Sensor Heads
  47
- Inputs Page - Temperature, Pressure, and Auxiliary Inputs
  50
- Outputs Page - Setting DAC and SDM Outputs
  57
- Page - Setting RS-232 Output
  65
- PC Logging Page - Choosing the Values to Log
  69
- Strip Charts Page
  71
- Diagnostics Page
  74
- Menu Description
  75
- Operational Considerations
  79
- Section 4. Calibration
  83
- Introduction
  83
- How Stable Are Zero and Span
  84
- Checking the Zero - Considerations
  85
- Checking the Span - Considerations
  85
- What Actually Happens
  86
- Complete Step-By-Step Calibration Instructions
  89
- Section 5. Maintenance
  94
- Cleaning the Optical Path
  94
- Changing the Fuse
  96
- Replacing the Internal Chemicals
  97
- Section 6. Troubleshooting
  102
- Power on Problems
  102
- PC Connection Problems
  103
- Bad Temperature or Pressure Readings
  104
- Bad CO or H O Readings
  105
- Diagnostic Messages
  106
LI7500 Error Messages

110
Appendix A. Specifications

112
- Command Summary
  123

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