Fluke 1535 / 1537 Insulation Resistance Testers and Megohmmeters

Fluke · Model 1535 / 1537 · Electrical Test Instruments

Portable 2,500 V insulation resistance testers engineered for frontline troubleshooting on the factory floor or at solar installations. User-selectable voltages and measurements up to 500 GΩ let one tool cover a wide range of industrial and solar applications.

Key specifications

• User-selectable test voltages 250 V, 500 V, 1000 V and 2500 V (1537 adjustable in 100 V steps)
• Insulation resistance measurement up to 500 GΩ
• Short-circuit current >2 mA (1535) / >5 mA (1537) for fast, stable readings
• Automatic Polarization Index (PI) and Dielectric Absorption Ratio (DAR) calculation
• CAT IV 600 V rating with energized-circuit voltage alarm; up to 1,300 tests at 2500 V per charge
• 1537 adds AC/DC voltage and resistance measurement plus USB measurement storage and PC software

Download the 1535 / 1537 datasheet (PDF)

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