Contents

Revision and Copyright Information
Limited Warranty
Assistance
Safety
Table of Contents
1. Introduction
2. Precautions
3. Initial Inspection
4. QuickStart
5. Overview
6. Specifications
7. Installation
- 7.1 Data Logger Connections
- 7.2 Programming
  - 7.2.1 ACPower() Instruction
  - 7.2.2 Millivolt Burst Measurements
  - 7.2.3 CR300 Series
  - 7.2.4 CR200X Series
- 7.3 Multiplier
Appendix A. Importing Short Cut Code Into CRBasic Editor
Appendix B. Example Programs
- B.1 ACPower() Example
- B.2 Millivolt Burst Measurement and Multiplexer Sample Program
- B.3 CR300-Series Example
- B.4 CR200(X)-Series Example
Appendix C. Theory of Operation
- C.1 Typical Electrical Circuit
- C.2 Current Transformer Description
- C.3 Converting a Milliamp Signal to a Millivolt Signal
- C.4 Using a CR300-Series or CR200(X)-Series Datalogger
- C.5 Multiple AC-Wire Passes Through the CS11
Campbell Scientific Companies

Campbell Scientific CS11-L Product Manual

Campbell Scientific CS11-L Transformer manual cover

Pages 27

Year 0

Language(s)

of 27

Campbell Scientific CS11-L Transformer Specification

The Campbell Scientific CS11-L Transformer is a robust and reliable device designed for accurate current measurement in power systems. This inductive current transformer is specifically engineered to interface seamlessly with data loggers and provide precise AC current readings. It operates by detecting the magnetic field generated by the current flowing through a conductor, allowing for non-intrusive monitoring capabilities.

The CS11-L is compatible with a range of conductor sizes, thanks to its split-core design, which enables easy installation without the need to disconnect power lines. Its measurement range is versatile, accommodating currents up to 200 Amps AC, making it suitable for a variety of applications from small-scale systems to large industrial setups.

The transformer outputs a signal proportional to the current, which can be directly connected to compatible data logging equipment for real-time monitoring and analysis. It features a robust construction that ensures durability and reliability in various environmental conditions, with an operational temperature range that supports use in both indoor and outdoor settings.

The CS11-L is equipped with a lengthy cable, allowing for flexibility in installation and ensuring it can be positioned optimally in relation to the data logger. It is designed to offer low maintenance requirements, reducing operational costs and ensuring long-term performance stability. This transformer is ideal for users needing efficient and accurate current monitoring solutions in power management and energy auditing applications.

Campbell Scientific CS11-L Transformer F.A.Q.

How do I install the CS11-L Transformer on a power line?

To install the CS11-L Transformer, ensure that the line is de-energized. Mount the sensor on the conductor and secure it with the provided hardware. Follow the installation guide for detailed steps and safety precautions.

What is the correct procedure for calibrating the CS11-L Transformer?

Calibration involves connecting the CS11-L to a known current source and adjusting the output to match the source. Use the calibration software provided by Campbell Scientific for precise adjustments.

How can I troubleshoot a CS11-L that is not providing accurate readings?

Check all connections for tightness and corrosion. Verify that the sensor is correctly positioned and securely mounted. Ensure that the data logger is configured correctly for the CS11-L. If issues persist, consult the troubleshooting section of the manual.

What are the maintenance requirements for the CS11-L Transformer?

Regular maintenance includes inspecting the sensor for physical damage, checking the integrity of connections, and cleaning the sensor to remove any debris or corrosion. Perform these checks at least annually or more frequently in harsh environments.

Can the CS11-L be used in outdoor environments?

Yes, the CS11-L is designed for outdoor use and can withstand various environmental conditions. Ensure that all connections are weatherproofed and that the sensor is mounted securely to prevent damage from wind or other elements.

What should I do if the CS11-L stops communicating with the data logger?

First, check all physical connections between the CS11-L and the data logger. Next, verify that the data logger's configuration settings are correct. If the issue persists, check for software updates or contact Campbell Scientific support.

How can I extend the lifespan of my CS11-L Transformer?

To extend the lifespan, ensure that the sensor is installed according to the manufacturer's guidelines, perform regular maintenance checks, and protect the sensor from extreme environmental conditions as much as possible.

Is it possible to integrate the CS11-L with third-party data loggers?

Yes, the CS11-L can be integrated with third-party data loggers as long as they are compatible with the sensor's output specifications. Refer to the third-party logger's documentation for integration guidelines.

What is the recommended procedure for replacing a damaged CS11-L?

De-energize the power line before attempting to replace the CS11-L. Remove the damaged sensor and install the new one following the installation instructions. Double-check all connections before re-energizing the line.

How do I verify that the CS11-L is functioning correctly after installation?

After installation, conduct a verification test by comparing the sensor's readings with a known reference current. Ensure that the readings match within the specified accuracy range. Adjust the calibration if necessary.