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Wattmeters
3030A 15kV Probes
Model 15KVP voltage probes are capable of connecting directly to 15 kilovolts. Traditionally, professionals who wished to measure 12,500 volt lines needed to locate a PT (potential transformer) and then connect to the low voltage output secondary of the PT.  The 15KVP allows direct connection to the primary voltage.  Bypassing the PT avoids any phase shift and linearity problems introduced by it.  It also allows direct connection at any point of interest whether PTs already exist or not. The probes are used exclusively with the 3030 PolyPower line of Energy Analyzers.
Each 15KVP is 16 inches long and 1.5 inches in diameter.  They connect to high voltage lines via an open hook that is 1.3 inches in diameter.  The hook is screwed into the end of the probe.  It can be replaced with other custom attachments.  The bottom of the 15KVP has a recessed threaded coarse 5/8” hole for mounting to a hot stick.  The 15KVP is lifted into position via a hot stick.  Hot sticks may be purchased from Valhalla Scientific [order STKS] or may be supplied by the customer.

A typical installation includes three 15KVPs (one for each phase) and one PolyPower energy analyzer.  Each 15KVP is connected to the analyzer via safety banana jacks.  Each is also always securely grounded via a hefty ground lead.


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