Suitable for testing protective relays, make comparative test in electrical substations, and verifying the phase angle deviation on power transformers.
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The Megger PAM420, provides phase angle measuring functionality identical to that of the PAM410, but adds facilities for two-channel voltage, current and frequency measurement.
It also has a high-accuracy timing function that can be triggered by voltage signals or volt-free contacts, and can measure times up to 999.999 s with a resolution of 1 ms. The PAM420 has a built-in rechargeable battery, allowing it to be used in almost any location.
Includes: Test lead set, mains adapter (battery charger) PAM 420 and transport case.