Solar irradiance meters measure the solar radiation reaching a surface, providing essential data for photovoltaic system assessment. Use them for PV site surveys, solar panel installation, commissioning, performance checks and maintenance.
Solar Irradiance Meters
About This Category
How much solar energy is actually reaching a photovoltaic panel? Solar irradiance meters provide the measurement needed to answer this question, typically expressing solar radiation in watts per square metre (W/m²). This information is valuable when assessing whether site conditions and PV system performance match expectations.
Before a solar installation is completed, irradiance measurements can support site surveys and help evaluate available sunlight at the proposed panel location. During commissioning and subsequent maintenance, measurements can be compared with system output to help investigate performance and identify conditions that may be affecting energy generation.
Portable solar irradiance meters are particularly useful for PV installers, electrical engineers, maintenance teams and renewable energy professionals who need measurements directly at the installation site. Depending on the instrument, additional functions such as temperature measurement, data hold and MIN/MAX recording may provide useful information alongside the irradiance reading.
When selecting an irradiance meter, consider its measurement range, resolution, accuracy and suitability for the type of solar testing being carried out. For photovoltaic applications, a portable instrument allows measurements to be taken at different positions and orientations, making it easier to assess actual conditions across an installation.
Solar PV work can also involve electrical measurements during installation, commissioning and troubleshooting. Browse our electrical testers for related electrical testing equipment, or view our complete environmental testers range.
