Contents

Revision and copyright information
Table of contents
1. Introduction
2. Precautions
3. Initial inspection
4. QuickStart
5. Overview
6. Specifications
7. Installation
- 7.1 Wiring
- 7.2 Data logger programming
  - 7.2.1 CRBasic programming
- 7.3 Siting
- 7.4 Mounting
8. Operation
- 8.1 SDI-12 measurements
- 8.2 SDI-12 extended commands
- 8.3 SDI-12 version 1.4 identify measurement commands and responses
- 8.4 Calculations
- 8.5 Device Configuration Utility
9. Maintenance and troubleshooting
- 9.1 Maintenance
  - 9.1.1 Cleaning and replacing filters
  - 9.1.2 Internal lithium battery
  - 9.1.3 Updating the operating system
- 9.2 Troubleshooting
Appendix A. Importing Short Cut code into CRBasic Editor
Appendix B. Calibration validation
Appendix C. SDI-12 sensor support
- C.1 SDI-12 command basics
  - C.1.1 Acknowledge active command (a!)
  - C.1.2 Send identification command (al!)
  - C.1.3 Start verification command (aV!)
  - C.1.4 Address query command (?!)
  - C.1.5 Change address command (aAb!)
  - C.1.6 Start measurement commands (aM!)
  - C.1.7 Start concurrent measurement commands (aC!)
  - C.1.8 Start measurement commands with cyclic redundancy check (aMC! and aCC!)
  - C.1.9 Stopping a measurement command
  - C.1.10 Send data command (aD0! aD9!)
  - C.1.11 Continuous measurement command (aR0! aR9!)
  - C.1.12 Extended commands
- C.2 SDI-12 transparent mode
  - C.2.1 Changing an SDI-12 address
- C.3 References
Limited warranty
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Safety
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Campbell Scientific RainVUE-Series SDI-12 Product Manual

Campbell Scientific RainVUE-Series SDI-12 Sensor manual cover

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Campbell Scientific RainVUE-Series SDI-12 Sensor Specification

The Campbell Scientific RainVUE-Series SDI-12 Sensor represents state-of-the-art technology in rainfall measurement, designed for precision and reliability in diverse environmental conditions. This sensor features a robust tipping bucket mechanism that ensures accurate rainfall data collection by capturing and measuring precipitation with high precision. Engineered for seamless integration, the RainVUE sensor is equipped with SDI-12 communication protocol, which facilitates easy connectivity with data loggers and other compatible devices, enhancing its utility in automated weather stations and remote monitoring applications.

Constructed with durable materials, the RainVUE-Series is built to withstand harsh weather conditions, thereby ensuring longevity and minimal maintenance. The sensor is equipped with a corrosion-resistant housing that protects its internal components, making it suitable for long-term outdoor installations. Its compact and lightweight design allows for easy installation and maintenance, while the adjustable mounting bracket provides flexibility in deployment across various terrains and environments.

The sensor's high-resolution output allows for precise rainfall measurement, crucial for hydrological studies, agricultural planning, and environmental monitoring. Additionally, the RainVUE-Series supports real-time data transmission, enabling users to access and analyze rainfall data promptly, which is essential for timely decision-making in applications such as flood warning systems and water resource management.

Overall, the Campbell Scientific RainVUE-Series SDI-12 Sensor offers a reliable solution for accurate rainfall monitoring, combining advanced technology with robust construction to meet the demanding needs of environmental scientists, researchers, and meteorologists worldwide.

Campbell Scientific RainVUE-Series SDI-12 Sensor F.A.Q.

How do I set up the RainVUE-Series SDI-12 Sensor for the first time?

To set up the RainVUE-Series SDI-12 Sensor, first connect the sensor to a compatible datalogger. Configure the datalogger to recognize the SDI-12 device by setting the correct address. Refer to the sensor’s manual for detailed connection diagrams and configuration settings.

What is the procedure to calibrate the RainVUE-Series sensor?

Calibration of the RainVUE-Series sensor involves ensuring that the sensor is level and testing the tipping bucket mechanism using a known volume of water. Follow the calibration instructions provided in the user manual to adjust the sensor if necessary.

How can I troubleshoot if the RainVUE sensor is not recording data?

If the sensor is not recording data, check the power supply, ensure that the sensor is clean and free of debris, and verify the SDI-12 address settings. Additionally, inspect the connections between the sensor and the datalogger.

What maintenance is required for the RainVUE-Series sensor?

Regular maintenance includes cleaning the funnel and tipping bucket to prevent blockages, checking the level of the sensor, and inspecting for any signs of wear or damage. Annual calibration checks are also recommended.

How do I change the SDI-12 address of the RainVUE sensor?

To change the SDI-12 address, use a compatible datalogger or SDI-12 interface software to send the appropriate command sequence to the sensor. Refer to the sensor’s user manual for specific command syntax.

Can the RainVUE-Series sensor be used in freezing conditions?

The RainVUE-Series sensor is designed for a range of environmental conditions, but in freezing temperatures, it may require additional heating elements or enclosures to prevent ice formation. Check the specifications for operating temperature ranges.

What should I do if the RainVUE-Series sensor gives erratic readings?

Erratic readings may be caused by debris or obstructions in the tipping bucket, electrical interference, or incorrect calibration. Clean the sensor, check all connections, and recalibrate if necessary.

How often should the RainVUE sensor be inspected?

It is recommended to inspect the RainVUE sensor at least once a month, or more frequently in environments with high debris, to ensure it is clean, level, and functioning correctly.

What data output formats are supported by the RainVUE-Series sensor?

The RainVUE-Series sensor primarily communicates using the SDI-12 protocol, which is compatible with many dataloggers and software platforms. Ensure that your datalogger is configured to interpret SDI-12 data correctly.

How can I verify the accuracy of the RainVUE-Series sensor readings?

To verify accuracy, perform a manual calibration check using a known volume of water and compare it against the sensor’s output. Any significant discrepancies should be addressed by recalibrating or servicing the sensor.