Insulation analysis
With Megger’s new VAX020 high voltage amplifier, it is now possible to reliably assess insulation condition using proven dynamic frequency response (DFR) techniques, even in extreme high interference environments, such as HVDC substations.
In addition, the new amplifier also eliminates the difficulties associated with testing low capacitance objects, such as bushings and instrument transformers, at low frequencies.
Designed primarily for use in conjunction with Megger’s popular IDAX300 insulation diagnostic analyser, but compatible with all Megger IDAX and IDA instruments, the VAX020 amplifier is a compact lightweight unit that expands the instrument’s test voltage range from 200 V to 2 kV.
This high output voltage, particularly when combined with the advanced digital filtering algorithms used in the IDAX300, greatly reduces the influence of electromagnetic interference, allowing accurate and dependable results to be obtained under conditions where this would have previously been difficult or even impossible.
Megger
01304 502101
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