Irradiation Sensors Class 2 and Class 1 LSI Pyranometer

Irradiation sensors are also popularly known as pyranometers. These sensors are designed to perfectly measure incoming solar radiation on flat or even inclined surfaces. These are one of the most essential parts of the solar system, weather monitoring networks, as well as environmental observation projects. The sensor provides operators with reliable irradiance data and helps them evaluate system output, energy generation, and improve overall performance.

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Class 1 Pyranometer

Class 1 pyranometers are designed for applications where accuracy, consistency, along with long-term reliability are essential. Built to meet ISO 9060 secondary specifications, these are trusted in professional solar installation and scientific research where high-quality data is really non-negotiable.

Key Features

  • Excellent accuracy across the full solar spectrum.
  • Minimal directional and temperature-related measurement errors.
  • Rapid response to fluctuating sunlight conditions
  • Long-term stability with reliable calibration retention

Typical Applications

  • Large-scale and utility solar power plants
  • Performance Ratio (PR) evaluation and validation
  • Detailed solar resource studies
  • Research and meteorological stations

Class 2 Pyranometer

Class 2 pyranometers are reliable and economical options for standard solar monitoring requirements. These are compliant with ISO 9060 class requirements, they give consistent irradiance measurement for sectors like commercial, industrial, along with educational use cases.

Key Features

  • Sturdy build suitable for continuous outdoor use
  • Consistent performance in varying environmental conditions
  • Fast signal response for live monitoring
  • Seamless compatibility with data loggers and SCADA platforms

Typical Applications

  • Rooftop and commercial solar installations
  • Solar plant monitoring and reporting systems
  • Weather and climate observation stations
  • Academic, industrial, and training environments

Why Choose Class 1 & Class 2 Pyranometers?

Both Class 1 and Class 2 pyranometers ensure reliable Global Horizontal Irradiance (GHI) measurements, and lay the foundation for accurate solar energy analysis. Furthermore, quality irradiance data allows better performance tracking, early identification of efficiency losses caused by dust, shading, or sometimes sensor degradation, and smarter maintenance planning.

  • Highly accurate GHI measurement for dependable energy evaluation.
  • Enhanced insights into solar plant performance and efficiency.
  • Early detection or soiling, shading, as well as system losses.
  • Reliable support for weather monitoring applications.
  • Allows predictable maintenance and energy yield forecasting.
Ambient Temperature Sensor

Frequently Asked Questions

Find answers to the most common queries below

A pyranometer measures Global Horizontal Irradiance (GHI), capturing the total solar radiation received on a horizontal surface.

Class 1 offers higher accuracy and stability, while Class 2 provides cost-effective and reliable measurements for standard applications.

They comply with ISO 9060 classification standards for solar radiation measurement.

They are used in utility-scale solar plants, research facilities, and meteorological stations.

Yes, Class 2 pyranometers are ideal for performance monitoring and general solar assessments.

They enable accurate irradiance tracking, performance ratio calculations, and early detection of system losses.

Regular cleaning, inspection, and periodic calibration ensure long-term accuracy.

Yes, continuous monitoring helps identify irradiance deviations caused by soiling, shading, or sensor drift.