Fast, accurate, reliable insulation testing in a portable lightweight package
The Fluke 1535 2,500 V Insulation Resistance Tester is engineered to simplify frontline troubleshooting whether you’re on the factory floor or working in the field at a solar installation. With user selectable test voltages from 250 V to 2,500 V and resistance measurements up to 500 GΩ this tester allows you to cover more workload with a single tool. Equipped with an intuitive user interface, a short circuit current of up to 5 mA and a CAT IV 600 V rating this portable high-voltage insulation tester can deliver rapid and stable resistance measurements no matter where you take them.
Selectable Voltage Tests
Tailor your tests with user-selectable voltages of 250 V, 500 V, 1000 V, and 2500 V to cover both industrial and solar applications.
Extended Insulation Resistance Measurement
Reach up to 500 GΩ in insulation resistance measurement for a thorough analysis.
Intelligent Calculations
Automatically calculate Polarization Index (PI) and Dielectric Absorption Ratio (DAR), minimizing the influence of environmental factors.
High Measurement Capacity
Execute up to 1,300 measurements at 2,500 V or 6,500 measurements at 250 V on a single charge, enhancing productivity.
Enhanced Safety Features
Benefit from a CAT IV 600V rating and a built-in voltage alarm function for heightened safety during operations.
Why choose Instrotech for your electrical test equipment?
With over 40 years’ experience supporting UK electricians, technicians and engineers, Instrotech is your trusted partner for quality tools and expert service. When you purchase from us, you benefit from:
Free UK shipping on all orders
Access to our knowledgeable technical support team
Available calibration services to maintain safety compliance
A 90-day money-back guarantee for complete peace of mind
We’re committed to helping you work safely and efficiently with industry-leading products and ongoing support.
