Performance Tests
Introduction
2-2 HP EPM-441A/442A Service Guide
Introduction
The procedures in this chapter test the power meter’s electrical
performance using the specifications in Chapter 1 as the performance
standards. All tests can be performed without access to the interior of the
power meter. A simpler operational test is included in “Self Test” of the
User’s Guide.
Note For valid performance tests, the following conditions must be met:
a. The power meter and test equipment must have a 30 minute
warm-up for all specifications.
b. The line voltage for the power meter must be 85 to 264 Vac and
the line frequency must be 47 to 63 Hz.
c. The ambient temperature must be 0
0
to 55
0
C.
4402serv.book Page 2 Monday, March 11, 2002 11:34 AM
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