Comtest Technologies has announced the new and redesigned Fluke 1555 and 1550C insulation resistance testers, offering digital insulation testing up to 10 kV, making them suitable for testing a wide range of high-voltage equipment including switchgear, motors, generators and cables.
Fluke insulation testers can now conduct the entire range of test voltages specified in IEEE 43-2000 with a three year warranty and CAT IV 600 V safety rating. With measurement storage and PC interface, the 1555 and 1550C are targeted at preventative or predictive maintenance programs designed to identify potential equipment failures before they occur.
The testers feature selectable test voltages in 50 V steps from 250 V to 1000 V, and 100 V steps above 1000 V. Measurements can be stored in up to 99 memory locations, with each location assigned a unique, user-defined label for easy recall. A long battery life gives the user over 750 tests between charges, and a large digital/analog LCD makes for easy viewing. The units perform automatic calculation of dielectric absorption (DAR) and polarisation index (PI) with no additional setup.
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