The Hioki U8974 High Voltage Unit is engineered to extend the measurement range of Hioki insulation and resistance testers, allowing safe evaluation of high-voltage circuits and components. It provides precise measurements in applications where standard testing equipment cannot handle extreme voltages, ensuring both safety and accuracy.
This unit features robust insulation, overvoltage protection, and high input impedance to minimize measurement errors. Its compact and durable design allows easy integration into field or laboratory setups. When paired with compatible Hioki meters, the U8974 enables testing of transformers, high-voltage cables, switchgear, and other electrical equipment, providing reliable data for maintenance, troubleshooting, and quality assurance.
Key Features:
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Extends measurement capability for high-voltage testing
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Compatible with Hioki insulation and resistance testers
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High input impedance for accurate measurement
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Robust insulation and overvoltage protection for safety
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Compact and durable design for field and lab applications
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Enables testing of transformers, cables, and high-voltage equipment
Compatible Applications:
Ideal for high-voltage electrical equipment testing, industrial maintenance, laboratory research, R&D, and quality assurance programs.
Included Accessories:
High voltage unit, connecting cables, and user manual.
Compliance:
CE certified and designed to meet IEC and ISO safety standards for high-voltage measurement equipment.
Benefits for Lab/Field Users:
The U8974 ensures safe, accurate, and reliable high-voltage measurements, giving engineers and technicians confidence during testing and maintenance. Its integration with Hioki testers allows expanded measurement capabilities without compromising safety or precision.





