Gossen MetraWatt MAVOWATT Serie Guía De Uso página 53

Description
Total Current Even
Harmonic Distortion
Normalized to the
fundamental
Telephone Influence
Factor, normalized to
Fundamental
Telephone Influence
Factor, normalized to
RMS of input
GMC-I Messtechnik GmbH
Abbreviation Wiring Configuration
HIehd-a All
HIehd-b
HIehd-c
HIehd-d
HVtiffund-a All
HVtiffund-b
HVtiffund-c
HVtiffund-d
HVtifrms-a All
HVtifrms-b
HVtifrms-c
HVtifrms-d
MAVOWATT 230, 240, 270 & 270-400
Formula
= *100
Per 61000-4-7
TIF =
where:
X fund = Total RMS of
fund
X f = single frequency
RMS at frequency f
W f = Single frequency
weighing factor at fre-
quency f
Per IEEE 519/D7
1990 covers weighing
factors up to 5 KHz
TIF =
where:
X = RMS of channel
X f = single frequency
RMS at frequency f W f
= single frequency
weighing factor at
frequency f
Per IEEE 519/D7
1990 covers weighing
factors up to 5 KHz
Units Precision
% +/- 5 %
None +/- 1 %
None +/- 1 %
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