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 to the data logger
- 7.2 Programming
  - 7.2.1 CRBasic programming
- 7.3 Siting
- 7.4 Mounting
8. Operation
- 8.1 Sensor measurements
- 8.2 Long cables
9. Maintenance, calibration, and troubleshooting
- 9.1 Maintenance
- 9.2 Calibration
- 9.3 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 Start concurrent measurement commands (aC!)
  - B.1.8 Start measurement commands with cyclic redundancy check (aMC! and aCC!)
  - B.1.9 Stopping a measurement command
  - B.1.10 Send data command (aD0! aD9!)
  - B.1.11 Continuous measurement command (aR0! aR9!)
  - B.1.12 Extended commands
- B.2 SDI-12 transparent mode
  - B.2.1 Changing an SDI-12 address
- B.3 References
Limited warranty
Assistance
Safety
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Campbell Scientific SN500SS Product Manual

Campbell Scientific SN500SS Sensor manual cover

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Campbell Scientific SN500SS Sensor Specification

The Campbell Scientific SN500SS is a specialized sensor designed for precise and reliable snow depth measurement. This sensor utilizes advanced ultrasonic technology to deliver accurate readings in challenging environmental conditions. It operates within a measuring range of up to 10 meters, ensuring suitability for various snow monitoring applications. The SN500SS is equipped with a robust, weather-resistant enclosure that allows it to withstand extreme temperatures and harsh weather conditions commonly encountered in snowy environments. It features a low-power operation, making it ideal for remote installations where power resources are limited.

The sensor provides digital output, facilitating easy integration with data loggers and other monitoring systems. With a measurement accuracy of ±1 centimeter, it ensures precise data collection essential for research and operational purposes. The SN500SS is designed for ease of installation and maintenance, with a lightweight construction that simplifies mounting on various surfaces. Its compact size allows for unobtrusive deployment in sensitive ecological areas. The sensor's reliability is enhanced by its ability to self-calibrate, reducing the need for frequent manual adjustments and ensuring long-term accuracy.

The SN500SS is compatible with Campbell Scientific's suite of data acquisition systems, providing seamless connectivity for data aggregation and analysis. This compatibility extends its utility in comprehensive environmental monitoring setups where snow depth data is integrated with other meteorological parameters. Its durable design, precision, and integration capabilities make the Campbell Scientific SN500SS an indispensable tool for researchers, meteorologists, and hydrologists focused on snowpack studies and related fields.

Campbell Scientific SN500SS Sensor F.A.Q.

What are the initial setup steps for the Campbell Scientific SN500SS Sensor?

To set up the SN500SS sensor, first mount the sensor securely at the desired location. Ensure it is correctly oriented for accurate measurements. Connect the sensor to a compatible data logger or monitoring system using the appropriate cables. Configure the data logger to recognize the sensor and set the desired logging intervals. Perform a test measurement to confirm proper operation.

How can I troubleshoot if the SN500SS Sensor is not providing any data?

First, check all physical connections to ensure they are secure. Verify that the data logger is powered and configured correctly. Inspect the sensor for any visible damage. Use diagnostic tools on the data logger to check for communication errors. If issues persist, consult the sensor's manual for further troubleshooting steps or contact technical support.

What maintenance is required for the SN500SS Sensor?

Regular maintenance of the SN500SS sensor includes cleaning the sensor's surface to prevent any debris or sediment buildup, checking and securing all connections, and recalibrating the sensor as recommended by the manufacturer. Additionally, check for any firmware updates that might enhance performance or fix bugs.

How often should the SN500SS Sensor be calibrated?

The calibration frequency for the SN500SS sensor depends on the environmental conditions and application requirements. Generally, it is recommended to calibrate the sensor at least once a year, or more frequently if used in harsh conditions. Follow the manufacturer's guidelines for specific calibration procedures.

Can the SN500SS Sensor be used in extreme weather conditions?

Yes, the SN500SS sensor is designed to operate in a wide range of environmental conditions. However, extreme conditions such as high humidity, extreme temperatures, or corrosive environments may require additional protective measures or more frequent maintenance. Always refer to the manufacturer's specifications for operating limits.

What data output formats are available for the SN500SS Sensor?

The SN500SS sensor typically outputs data in digital formats compatible with Campbell Scientific data loggers. Common formats include SDI-12 and RS-232, allowing integration with various data acquisition systems. Check the specific model documentation for available output formats.

How can I ensure accurate readings from the SN500SS Sensor?

To ensure accurate readings, regularly clean and maintain the sensor, calibrate it according to the manufacturer's schedule, and ensure it is correctly installed and oriented. Avoid placing the sensor near sources of interference or obstructions that could affect measurements.

What should I do if the SN500SS Sensor shows erratic data?

Erratic data can result from loose connections, poor calibration, or environmental interference. Check all connections, recalibrate the sensor, and move the sensor to a location free from potential interference. If the issue continues, consult technical support for further assistance.

How do I update the firmware on the SN500SS Sensor?

To update the firmware, first download the latest firmware version from the manufacturer's website. Connect the sensor to a computer using the appropriate interface. Use the manufacturer's software to upload the firmware to the sensor, following the on-screen instructions. Ensure the update completes without interruption.

Is it possible to integrate the SN500SS Sensor with third-party data systems?

Yes, the SN500SS sensor can be integrated with third-party systems, provided those systems support the sensor's output formats, such as SDI-12 or RS-232. Check the compatibility specifications of both the sensor and the third-party system for successful integration.