The new Fluke 1555 insulation resistance tester offers digital insulation testing up to 10kV, making it ideal for testing a wide range of high voltage equipment including switchgear, motors, generators and cables. 

• Test voltages up to 10kV
• CAT III 1000V, CAT IV 600V safety rating
• Warning function alert for increased user safety
• Selectable test voltages in 50V steps from 250V to 1000V, and 100V steps above 1000V
• Up to 99 memory locations
• Over 750 tests between battery charges
• Automatic calculation of Dielectric Absorption (DAR) and Polarization Index (PI)
• Guard system eliminates the effect of surface leakage current on high-resistance measurements
• Large digital/analog LCD
• Capacitance and leakage current measurement
• Ramp function for breakdown testing
• Resistance measurements up to 2TOhms
• Timer settings up to 99 minutes