Contents

Revision and copyright information
Table of contents
1. General information
- 1.1 Packing list
- 1.2 General safety
- 1.3 Sensor unit safety
- 1.4 Laser safety
- 1.5 Electrical safety
2. Product overview
- 2.1 Introduction
  - 2.1.1 Cloud height detection
  - 2.1.2 Sky condition
  - 2.1.3 Backscatter profile reporting
  - 2.1.4 Mixing layer height
- 2.2 Optical measurement
  - 2.2.1 Optical arrangement
- 2.3 Internal monitoring
- 2.4 Specifications
  - 2.4.1 Measurement specifications
  - 2.4.2 Mechanical specifications
  - 2.4.3 Electrical specifications
  - 2.4.4 Optical specifications
  - 2.4.5 Environmental specifications
  - 2.4.6 Communications specifications
3. Initial preparation and checks
4. Installation
- 4.1 Location and orientation
- 4.2 Grounding
- 4.3 Mounting the SkyVUE PRO
- 4.4 Tilt angle
- 4.5 Connectors and wiring
  - 4.5.1 Base connectors
  - 4.5.2 Wiring using supplied Campbell Scientific cables
    - 4.5.2.1 Power connections
    - 4.5.2.2 Communications connections
  - 4.5.3 USB connection
  - 4.5.4 SDI-12 connection
- 4.6 Connecting the back-up battery
  - 4.6.1 Removing the cover
  - 4.6.2 Removing the enclosure lid
- 4.7 Bird spike kit
- 4.8 Storage information
5. Operation
- 5.1 Terminal mode
  - 5.1.1 Entering/exiting the SkyVUE PRO terminal mode
  - 5.1.2 Terminal mode commands general
  - 5.1.3 Terminal mode command examples
  - 5.1.4 Application command message types
  - 5.1.5 MCFG command message types
  - 5.1.6 Measurement and message intervals
  - 5.1.7 Status command
  - 5.1.8 Message polling
  - 5.1.9 Loading a new operating system (OS)
  - 5.1.10 Stratocumulus backscatter calibration
  - 5.1.11 CRC-16 codes on terminal commands
  - 5.1.12 Service command
  - 5.1.13 Locked features
- 5.2 Restoring factory defaults
- 5.3 LED indicator
6. Messages
- 6.1 Data messages general
- 6.2 Checksums used in SkyVUE PRO messages
- 6.3 CS messages
  - 6.3.1 MESSAGE 001 (no profile, no sky condition)
  - 6.3.2 MESSAGE 002 (Profile, no sky condition)
  - 6.3.3 MESSAGE 003 (no profile, sky condition)
  - 6.3.4 MESSAGE 004 (profile, sky condition) default message
  - 6.3.5 MESSAGE 005 (no profile, sky condition, mixing layer heights)
  - 6.3.6 MESSAGE 006 (profile, sky condition, mixing layer heights)
- 6.4 CL31 messages
  - 6.4.1 MESSAGES 101 - 106, (CL31 MESSAGE 1)
  - 6.4.2 MESSAGE 005 (no profile, sky condition, mixing layer heights)
  - 6.4.3 MESSAGES 107 - 112, CL31 Message 2
- 6.5 CT25K messages
  - 6.5.1 MESSAGE 113, CT25K Data Message No. 1
  - 6.5.2 MESSAGE 114, CT25K Data Message No. 6
7. Maintenance
- 7.1 General
- 7.2 Cleaning
- 7.3 Removing the cover
- 7.4 Removing the enclosure lid
- 7.5 Diagnostic LED indicators within the enclosure
- 7.6 Electrical safety testing
Appendix A. Measurement of the attenuated backscatter profile
- A.1 Initial measurement
- A.2 Backscatter onset height detection
- A.3 Produce attenuated backscatter output message
Appendix B. Cloud height calculation
Appendix C. Sky condition algorithm description
Appendix D. Replacing the SkyVUE PRO PSU
Appendix E. SkyVUE PRO Laser/APD module replacement
Appendix F. SkyVUE PRO TOP board replacement
Appendix G. Self-diagnostic information
Limited warranty
Assistance
Safety
Campbell Scientific regional offices

Campbell Scientific SkyVUE PRO CS135 Product Manual

Campbell Scientific SkyVUE PRO CS135 Sensor manual cover

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Campbell Scientific SkyVUE PRO CS135 Sensor Specification

The Campbell Scientific SkyVUE PRO CS135 Sensor is a sophisticated laser-based device designed for accurate cloud height and aerosol backscatter measurement. Utilizing LIDAR technology, the CS135 offers precise cloud base detection up to 10 km, making it ideal for meteorological and aviation applications. This sensor operates on a wavelength of 905 nm, providing high-resolution backscatter profiles that facilitate in-depth atmospheric analysis. The CS135 is equipped with advanced optics and signal processing algorithms which enhance its ability to detect multiple cloud layers and measure vertical visibility.

The device features a robust design with an IP66-rated enclosure, ensuring reliable performance in harsh weather conditions. It supports a wide operating temperature range from -40°C to +60°C, allowing its deployment in diverse environments. The SkyVUE PRO CS135 is engineered for straightforward integration, offering multiple communication interfaces including RS-232, RS-485, and Ethernet, along with the option for Modbus protocol support. This enhances its compatibility with various data acquisition systems.

Power efficiency is a key aspect of the CS135, consuming less than 20 W, which makes it suitable for remote installations powered by solar or battery systems. Additionally, the sensor includes automatic self-test and calibration features that minimize maintenance needs and ensure long-term accuracy. Data outputs include cloud base height, backscatter profiles, and diagnostic information, all accessible through its user-friendly software interface. The Campbell Scientific SkyVUE PRO CS135 Sensor represents a high-performance, reliable solution for cloud and atmospheric monitoring requirements.

Campbell Scientific SkyVUE PRO CS135 Sensor F.A.Q.

What is the best practice for installing the Campbell Scientific SkyVUE PRO CS135 sensor?

Ensure the sensor is mounted on a stable, vibration-free platform with a clear, unobstructed view of the sky. Avoid nearby reflective surfaces and position it away from artificial light sources to prevent interference.

How can I check if the SkyVUE PRO CS135 is functioning correctly after installation?

Verify the sensor's operation by checking the data output for consistency and accuracy. Perform a self-test using the built-in diagnostic tools, and ensure the sensor's firmware is up to date.

What should I do if the SkyVUE PRO CS135 is not powering on?

First, check the power connections and ensure the power supply is functioning correctly. If the issue persists, inspect the cables for damage and consult the troubleshooting section of the user manual for further guidance.

How often should I perform maintenance on the SkyVUE PRO CS135 sensor?

Regular maintenance should be performed every 6 to 12 months, including cleaning the lens, checking for physical damage, and ensuring all connections are secure. Consider environmental conditions that may require more frequent checks.

What cleaning materials are recommended for the SkyVUE PRO CS135 sensor?

Use a soft, lint-free cloth and a mild detergent solution to clean the lens and housing. Avoid abrasive cleaners or solvents that might damage the sensor's surface.

How can I troubleshoot data communication issues with the SkyVUE PRO CS135 sensor?

Check all data cables and connections for integrity and proper seating. Ensure that the data logging system is configured correctly and that the sensor's communication settings match those of the data logger.

What environmental conditions can affect the performance of the SkyVUE PRO CS135?

Extreme temperatures, high humidity, and heavy precipitation can affect sensor performance. Ensure the sensor is rated for the local environment and consider additional protective measures if necessary.

How do I update the firmware on the SkyVUE PRO CS135?

Download the latest firmware from the Campbell Scientific website, connect the sensor to a computer via the appropriate interface, and follow the provided instructions to complete the update process.

What should I do if the SkyVUE PRO CS135 provides inaccurate data readings?

First, ensure that the sensor is properly calibrated. Check for any obstructions or damage to the sensor. If the problem persists, perform a factory reset and recalibrate the sensor as needed.

Can the SkyVUE PRO CS135 sensor be integrated with other weather monitoring systems?

Yes, the SkyVUE PRO CS135 can be integrated with various weather monitoring systems. Ensure compatibility by checking the communication protocols and data formats supported by both systems.