2500V Insulation Testers
Reliable insulation testing for everyday industrial and electrical maintenance.
Our 1000V insulation testers are ideal for electricians, technicians, and maintenance professionals looking to perform routine insulation resistance checks on motors, cables, transformers, and switchgear. These instruments offer a practical balance between voltage range and affordability—perfect for most commercial and light industrial applications.
🛠 Applications:
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Electrical panel troubleshooting
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Motor and generator insulation checks
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Preventive maintenance routines
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Quality assurance during installation
✅ Why choose Duncan Instruments?
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Models with built-in PI and DAR for deeper diagnostics
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Canadian warranty and calibration options
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Trustworthy brands like Kyoritsu, AEMC, and Metrel
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