Need a Campbell Scientific Data Logger
System Integrator?

We’ve integrated Campbell Scientific data loggers in utility-scale solar farms across the U.S.

Installing and integrating a Campbell Scientific weather station and data logger are two of Affinity Energy’s specialties. In fact, our engineers have deployed over 1,000 data loggers at PV solar farms across the nation.


A Campbell Scientific Data Logger Might Be for You If…
For over 5 years, our engineers have recommended and integrated the Campbell Scientific data logger for utility-scale solar data collection applications when:
  • You require flexible, reliable logging
  • You need more accurate readings on sensors with millivolt signals
  • Gaps in data are intolerable
  • You’d like to build logic into the data collection algorithm
Successful Campbell Scientific Data Logger Integrations
We specialize in systems integration for mission critical applications that require redundancy and reliability, such as the thousands of small and large utility-scale solar farms across the U.S.
Top 5 Reasons to Specify a Campbell Scientific Data Logger
Paul Donley
Senior Development Engineer, Duke Energy
Affinity Energy helped integrate a preexisting SCADA into Duke Energy's site overlay, and provided the necessary support for our O&M techs to understand the system. Now we have more effective monitoring and uptime for our newly acquired sites.
David Giles
Operations & Maintenance Manager, SunEnergy1

We've worked with Affinity Energy on over a dozen solar projects. On every single one of those projects, their field services team gets the job done on time.
What industry experts are saying about 
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Instrument Variety

A Campbell Scientific weather station can support virtually every meteorological instrument one could ask for at a PV solar farm (wind, rain, temperature, relative humidity, atmospheric pressure, etc.) Whether you want a cup anemometer or ultrasonic anemometer, you can easily pick and choose instruments you need for a particular project. They even have instruments as obscure as leaf wetness sensors that detect condensation on the back of a solar module.

Low Power Usage

Unlike most meteorological stations, a Campbell Scientific weather station runs on relatively low power, even when installed with multiple instruments. With a small battery backup, the data logger can continue to collect data during outages, and their battery charger supports input from a solar panel, enabling virtually perpetual operation without available local power.

Logging Redundancy

With up to 16GB of compact flash memory, the Campbell Scientific data logger will continue to collect data, even if disconnected during network outages. For a typical site, that would be enough storage to log 1 second data from all met station instruments for the entire life of the site.


Logic can easily be configured into the Campbell Scientific data collection algorithm. For example, if the 24VDC power source were to shut off, it can be configured to turn off the heaters and ventilators at the pyranometers to conserve battery life. The programming aspect adds a small level of complexity, but provides tremendous flexibility in where and when you want logging to happen.

Multiple Communications Methods

Not only does the Campbell Scientific data logger talk Modbus TCP and Modbus serial, it can also transmit in DNP3. This allows the utility to collect timestamped data from the data logger and collect weather station data without going through intermediate points. It can also periodically FTP logged data to an external storage location to ‘push’ backups of data offsite.

Is Campbell Scientific right for your project? Let us help you decide.