Vaisala LM21 Manuals

Vaisala LM21 Manuals

Manuals and User Guides for Vaisala LM21. We have 1 Vaisala LM21 manual available for free PDF download: User Manual

Vaisala LM21 User Manual

Vaisala LM21 User Manual (62 pages)

Background Luminance Sensor

Brand: Vaisala | Category: Accessories | Size: 0.65 MB

Table of Contents

Table of Contents
3
Chapter 1 General Information

7
- About this Manual
  7
- Contents of this Manual
  7
- Version Information
  8
- Related Manuals
  8
- Table 1 Manual Revisions
  8
- Table 2 Related Manuals
  8
- Safety
  9
- General Safety Considerations
  9
- Product Related Safety Precautions
  9
- ESD Protection
  11
- Warranty
  12
Chapter 2 Product Overview

13
Chapter 3 Installation

17
Chapter 4 Operation

25
Chapter 5 Theory of Operation

27
- Functional Description
  27
- Figure 6 Exploded View of LM21 Background Luminance
  28
- LMB201 Luminance Measurement Board
  29
- Operating Voltages
  29
- Communication Options
  30
- Microcontroller
  30
- Input Protection
  30
- Diagnostic and Supportive Circuits
  31
- Optical Contamination and Blocking Monitoring
  31
- Contamination Compensation
  32
- Sensitivity Check
  33
- Heater Operation
  33
Chapter 6 Maintenance

35
Chapter 7 Troubleshooting

51
- Errors
  51
- Table 7 Error Messages
  51
- Alarms
  52
- Table 8 Alarm Messages
  52
- Indications
  53
- Table 9 Indication Messages
  53
- Miscellaneous Problems
  54
- Getting Help
  54
- Return Instructions
  55
Chapter 8 Technical Data

57
- Specifications
  57
- Mechanical Specifications
  57
- Table 11 Mechanical Specifications
  57
- Operational Specifications
  58
- Optical Specifications
  58
- Electrical Specifications
  58
- Table 12 Operational Specifications
  58
- Table 13 Optical Specifications
  58
- Table 14 Electrical Specifications
  58
- Environmental Specifications
  59
- Electromagnetic Compatibility
  59
- Table 15 Environmental Specifications
  59
- Table 16 LM21 CE-Compliance
  59
- Index
  61

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