Contents

Revision and copyright information
Table of contents
1. Introduction
2. Precautions
3. Initial inspection
4. QuickStart
5. Overview
6. Specifications
- 6.1 SGB3 3-line surge protector
7. Installation
- 7.1 Siting
- 7.2 Mounting
- 7.3 Wiring
- 7.4 Programming
  - 7.4.1 SDI12Recorder() instruction
  - 7.4.2 Slow sequence program instructions
8. Operation
- 8.1 Sensor measurements
  - 8.1.1 SDI-12 addressing
  - 8.1.2 Metadata
- 8.2 Long cables
- 8.3 Power conservation
8. Maintenance, calibration, and troubleshooting
Appendix A. Importing Short Cut code into CRBasic Editor
Appendix B. SDI-12 sensor support
- B.1 SDI-12 command basics
  - B.1.1 Acknowledge active command (a!)
  - B.1.2 Send identification command (al!)
  - B.1.3 Start verification command (aV!)
  - B.1.4 Address query command (?!)
  - B.1.5 Change address command (aAb!)
  - B.1.6 Start measurement commands (aM!)
  - B.1.7 Stopping a measurement command
  - B.1.8 Send data command (aD0! aD9!)
  - B.1.9 Continuous measurement command (aR0! aR9!)
- B.2 SDI-12 transparent mode
  - B.2.1 Changing an SDI-12 address
- B.3 References
Limited warranty
Assistance
Safety
Campbell Scientific Regional Offices

Campbell Scientific CS225 Product Manual

Campbell Scientific CS225 Sensor manual cover

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Campbell Scientific CS225 Sensor Specification

The Campbell Scientific CS225 Sensor is a precision instrument designed for accurate temperature measurement in a variety of environmental and industrial applications. It utilizes a Class-A platinum resistance thermometer (PRT) to ensure high accuracy and stability in temperature readings. The sensor is housed in a durable stainless-steel sheath, providing robust protection against harsh environmental conditions and ensuring long-term reliability. The CS225 offers a wide measurement range from -40°C to 70°C, making it suitable for diverse applications such as soil, water, and air temperature monitoring. The sensor's compact design allows for easy integration into existing systems, and its low power consumption is ideal for remote or battery-powered applications.

The CS225 interfaces seamlessly with Campbell Scientific data loggers, enhancing data collection capabilities through reliable RS-232 or SDI-12 communication protocols. This compatibility offers users flexibility in data acquisition and management, enabling efficient monitoring and analysis. The sensor's design includes a four-wire configuration to minimize errors due to cable resistance, ensuring precise and consistent data output.

The sensor's rugged construction and precise measurement capabilities make it an essential tool for researchers and engineers who require dependable temperature data in challenging environments. Its versatile application potential is supported by Campbell Scientific's commitment to providing high-quality instrumentation tailored to meet the needs of scientific and industrial monitoring projects. Overall, the CS225 Sensor embodies a combination of durability, accuracy, and ease of use, making it a preferred choice for professionals seeking reliable temperature measurement solutions.

Campbell Scientific CS225 Sensor F.A.Q.

How do I properly install the Campbell Scientific CS225 sensor?

To install the CS225 sensor, secure it on a stable surface using the provided mounting bracket. Ensure the sensor head is oriented correctly for accurate measurements. Connect the sensor to the data logger following the wiring instructions in the manual.

What is the best method to calibrate the CS225 sensor?

Calibration of the CS225 sensor should be performed using a reference sensor or calibration chamber. Follow the calibration steps detailed in the manual, ensuring the sensor is exposed to known reference conditions.

How can I troubleshoot connectivity issues with the CS225 sensor?

First, check all physical connections and wiring for any signs of damage or loose connections. Verify the data logger settings to ensure compatibility with the CS225. If issues persist, consult the troubleshooting section of the manual or contact technical support.

What maintenance is required for the CS225 sensor to ensure optimal performance?

Regularly inspect the sensor for physical damage and clean the sensor head to prevent debris buildup. Verify calibration periodically and update the firmware as necessary to ensure optimal performance.

Can the CS225 sensor be used in extreme weather conditions?

The CS225 sensor is designed to operate in a range of environmental conditions. However, always refer to the specifications in the manual to ensure the sensor is used within its operational limits.

How do I interpret the data collected by the CS225 sensor?

Data from the CS225 sensor can be interpreted using the data logger software, which provides tools for analyzing and visualizing the collected data. Refer to the software documentation for detailed guidance on data interpretation.

What should I do if the CS225 sensor is not providing accurate readings?

First, ensure the sensor is properly calibrated and installed. Check for physical obstructions or damage that might affect readings. Review the data logger configuration and perform a diagnostic test if available.

How can I update the firmware of the CS225 sensor?

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

What are the typical applications for the CS225 sensor?

The CS225 sensor is commonly used in environmental monitoring, agricultural research, and climate studies due to its precision and reliability in measuring temperature and other environmental parameters.

How do I integrate the CS225 sensor with a data acquisition system?

Integration involves connecting the CS225 sensor to your data acquisition system via the recommended interface. Configure the system to recognize the sensor inputs, and ensure compatibility with the data acquisition software for seamless integration.