Kyoritsu KEW 3125B 5kV Insulation Tester – High Voltage Megger

The Kyoritsu KEW 3125B Insulation Tester (also known as 3125B) is a professional-grade 5kV high voltage insulation resistance tester designed for accurate and reliable testing of electrical insulation in industrial applications.

This KEW 3125B megger offers a measurement range up to 1 Tera Ohm (1TΩ) and supports test voltages from 250V to 5000V, making it ideal for transformers, cables, motors, and switchgear.

Key Features of Kyoritsu KEW 3125B

• Test voltage: 250V / 500V / 1000V / 2500V / 5000V
• Insulation resistance up to 1TΩ
• PI (Polarization Index) and DAR testing
• High short circuit current (1.5mA)
• Noise filter for industrial environments
• Backlit display with analog bar graph
• Safety rated: IEC 61010 CAT IV

Applications

• Transformer insulation testing
• HV cable testing
• Motor insulation analysis
• Switchgear diagnostics

Keywords Covered

Kyoritsu 3125B, KEW 3125B, 5kV insulation tester, high voltage megger, insulation tester 1 tera ohm