Hydrometry. Measurement requirements and classification of rainfall intensity measuring instruments1 Scope This document considers liquid atmospheric precipitation and defines the procedures and equipment to perform laboratory and field tests, in steady state conditions, for the calibration, check and metrological confirmation of liquid precipitation measurement instruments. It provides a classification of catching type measurement instruments based on their laboratory performance. The classification does not relate to the physical principle used

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EN ISO 3377-2

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This Published Document does not contain guidance on techniques for hazard identification or qualitative risk analysis