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Single and three-phase loop testers

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article image LT Megger three-phase loop tester.

THE new LT Megger single and three-phase loop testers, available from Power Parameters , are safe to use even if accidentally applied to live circuits.

The LT 310 (single-phase circuits) and the LT 320 (three-phase circuits) have non-tripping tests as well as a high current test.

Features include L-N-E polarity indication (and phase rotation for the LT 320) and prospective fault current in addition to loop impedance. A safety interlock shutter prevents incorrect application of test leads.

Clearly colour-coded switches permit easy identification of tests and the instruments are designed for industrial environments having sturdy cases with thick rubber bumper strips.

Large, backlit numeral digital readout and segmental logarithmic analogue LCDs provide clear unambiguous data to the user.

The LT testers are provided with blown fuse indication and locking test button. Voltage measurement is a standard feature and the LT 320 three-phase tester also measures line frequency.

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