[time-nuts] OT: AC voltage standard

Pete peterawson at earthlink.net
Tue Nov 6 17:43:51 UTC 2007


Joe,

The H-P 435A, 436A, 437A & 438A power meters all
have a 50 MHz calibrator source specified to +/-0.7%
at 0dBm (+/- 0.35% in votlage). This still requires some
traceable calibration, but they tend to be quite close even
when past the cal due date.

Pete Rawson




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