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Standards Development
This part of IEC 61340 specifies the measurement methods of electrostatic field, including instrumentation, the basic performance indicators for electrostatic field meters, environmental conditions, procedures, selection of measurement configuration and re porting. It also includes the operational workflow for compliance verification and in-situ correction. In addition, it identifies the factors influencing measurement results.
The measurement methods described are applicable to measurement of electric field generated from static charge or voltage.
The measurement methods described may not be applicable to the electrostatic discharge (ESD), time-varying fields or radiated electromagnetic fields.
Electrostatic field is a fundamental parameter in electrostatics and is closely related to other key quantities such as electrostatic voltage, charge, energy and electrostatic discharge (ESD) thresholds. Measurement of electric field is essential to areas such as electronics, integrated circuits, display panels, healthcare, commercial and public facilities, where high electric field strengths can lead to ESD events that can cause product failures or personal injury.
Accurate electrostatic field measurement remains technically challenging due to influences such as measurement distance, surrounding material properties and geometry, and environmental factors like ionization. Existing standards provide limited guidance on practical methods for electrostatic field measurement and compliance verification.
This proposed technical specification defines standardized methods, configurations, and procedures of electrostatic field measurements. It also identifies key factors that affect measurement accuracy and introduces the operating principles and signal proce ssing techniques of various types of electrostatic field sensors. The proposed method is fundamental, adaptable and applicable to various electric field meters.
The methods described aim to improve measurement reliability and provide a consistent basis for evaluating electric field and related test results across laboratory and industrial applications. This work is highly relevant to markets involving electronics manufacturing, ESD control and equipment calibration, where consistent and accurate electrostatic field measurements are increasingly needed.
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