ASTM G167 is the standard test method for calibration of a pyranometer using a pyrheliometer. It provides a controlled approach for comparing solar radiation measurement instruments so readings can be aligned with a recognized reference method. This matters for users who depend on consistent irradiance data for testing, verification, and instrument performance checks. As an ASTM standard, it supports more reliable calibration practices and helps reduce uncertainty in solar measurement work.

Overview of ASTM G167

ASTM G167 describes a test method focused on calibrating a pyranometer with the aid of a pyrheliometer. In practical terms, it addresses how these instruments are used together to establish or confirm measurement accuracy for solar radiation monitoring. The standard is relevant to organizations that need dependable, repeatable calibration procedures and a clear technical basis for comparing sensor output. ASTM G167 is especially useful when consistency and traceability are important in solar measurement workflows.

Common use cases of ASTM G167

This standard is commonly used in solar radiation measurement programs, laboratory calibration activities, and field instrument verification. It may support pyranometer calibration before deployment, during routine maintenance, or as part of quality control for environmental monitoring systems. ASTM G167 is also useful for organizations managing reference instruments and measurement setups where accurate comparison against a pyrheliometer is needed. It helps define a disciplined approach for handling calibration-related testing and evaluation.

Benefits of using ASTM G167

Using ASTM G167 can improve consistency in pyranometer calibration and support more trustworthy solar data. It gives procurement, testing, and quality teams a recognized standard to reference when evaluating calibration methods and instrument performance. The standard may also help reduce measurement variation, strengthen documentation, and support compliance-oriented workflows. For users who rely on solar irradiance readings, ASTM G167 offers a practical basis for better repeatability and lower risk in technical decision-making.

• Pyranometer calibration guidance
• Pyrheliometer-based comparison method
• Solar radiation measurement support
• Quality control and verification use