Hioki 3153 Insulation / Withstand Hi-Tester

Hioki 3153 Programmable Insulation / Withstanding Hi Tester – Automated Dielectric & Insulation Testing

The Hioki 3153 is a high-performance programmable insulation and dielectric tester designed for power, electrical, and maintenance professionals. Featuring advanced PWM technology, it enables automated and reliable testing for compliance and safety verification across a wide range of electrical equipment.

With programmable insulation resistance from 50 V to 1200 V DC and dielectric strength testing up to 5000 V AC, the Hioki 3153 provides unmatched flexibility. It allows you to store up to 32 test files with 50 steps each, making repetitive testing faster and more efficient. The ramp timer ensures controlled voltage rise and fall, while the optional scanner supports automated multi-point testing.

A large, easy-to-read display with clear pass/fail indicators makes field use simple, reducing operator error and improving productivity. Rugged and precise, the Hioki 3153 is the ultimate tool for ensuring safety compliance, preventive maintenance, and product quality testing.

Key Features

Programmable insulation resistance testing from 50 V–1200 V DC

Dielectric strength testing up to 5000 V AC with PWM technology

Store up to 32 test files with 50 steps each for automated workflows

Ramp timer for safe and controlled voltage rise/fall

Optional scanner unit for automated multi-point testing

Large display with intuitive pass/fail indicators

Built for safety compliance and industrial-grade performance

Applications

• Electrical equipment safety testing – insulation and dielectric strength verification

• Preventive maintenance – identify insulation breakdowns before failures

• Compliance testing – ensure systems meet safety regulations

• R&D and manufacturing – automate multi-step testing in product development and QA