Hioki

Hioki

Hioki E.E. Corporation is a Japanese test and measurement manufacturer founded in 1935, headquartered in Nagano, Japan. The company develops and manufactures a broad range of electrical measurement instruments including digital multimeters, clamp meters, power analyzers, power quality analyzers, insulation resistance testers, hipot testers, oscilloscopes, and data loggers for professional and industrial applications worldwide.

Hioki instruments are recognized for their precision, high safety ratings (CAT IV), and reliability in demanding electrical measurement environments. The company's products cover applications from basic electrical maintenance and field service to advanced power quality analysis, energy auditing, and safety compliance testing in accordance with IEC and UL standards.

Key Product Lines

• Digital multimeters and clamp meters for AC/DC current, voltage, resistance, and power measurement
• Power analyzers and power quality analyzers for energy auditing, harmonic analysis, and power monitoring
• Insulation resistance testers and megohmmeters for preventive maintenance of motors, cables, and transformers
• Hipot testers and ground bond testers for electrical safety compliance testing to IEC and UL standards
• Data loggers for long-term recording of electrical, environmental, and process parameters

Industries Served

Hioki equipment is used across electronics manufacturing, power and energy, automotive, building services, and industrial maintenance. Key applications include electrical safety compliance testing, power quality monitoring in manufacturing facilities, insulation diagnostics of rotating machinery and cables, energy efficiency audits in commercial and industrial buildings, and R&D in electronics laboratories.