High Voltage Probe for Solar Installation Inspections
04 February 2025 - Hioki E.E. Corporation launched the DC High Voltage Probe P2010, a solution engineered to address the growing demands of high-voltage solar photovoltaic inspections. Compact and lightweight, the P2010 builds upon the success of its predecessor, the P2000, offering enhanced usability, safety, and compatibility for professionals working in renewable energy and electrical maintenance. The P2010 bridges the gap between safety and efficiency, complying with CAT III 2000 V safety standards under IEC61010, ensuring the highest level of protection for operators and equipment alike.
Seamlessly compatible with Hioki’s DT4261 Digital Multimeter and Clamp Meter Series, the P2010 transforms high-voltage measurements into a manageable process, providing precise, reliable data for critical solar installations and other electrical systems.
As solar systems adopt higher operating voltages to improve efficiency and scalability, they introduce increased risks during maintenance and inspection. Safety standards categorize measurement locations by Measurement Category ratings (CAT II, CAT III, and CAT IV) based on line-to-ground rated voltage, current capacity, and transient overvoltage. According to the IEC 61730-1 standard for Photovoltaic (PV) module safety qualification, PV modules are classified as overvoltage category III, requiring instruments categorized under Measurement Category III for safe and reliable operation.
Using properly categorized instruments, such as those compliant with CAT III, is essential for protecting both personnel and equipment from serious accidents, including electric shock and damage. This safety requirement has become even more critical as modern solar systems evolve to handle higher voltages. Hioki developed the DC High Voltage Probe P2010 in response to these evolving industry demands. Building on the legacy of the P2000, the P2010 is a compact and lightweight tool designed to provide robust safety and efficiency in high-voltage solar inspections. Its compliance with CAT III 2000 V safety standards ensures the highest level of protection while enabling accurate and efficient voltage measurements.
The P2010 integrates seamlessly with Hioki’s Clamp Meters and Digital Multimeters, converting high voltages into safe measurement levels for secure and efficient testing. This eliminates the need for manual calculations, reducing errors and streamlining fieldwork.
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