40kV High Voltage Probe Meter Model HV 44A MSRP $135 / 1 Yr Warranty Where to Buy ‹ › Overview Docs & Software Where to Buy The HV-44A is a self-contained instrument that measures high DC voltages up to +40KV. This probe is typically used to measure high voltages in TV sets, power supplies, laboratories and for general high voltage commercial applications. Documentation Manual Datasheet Home/Products