Operation Manual

GMC-I Messtechnik GmbH 37
Measurements: V/Hz/dB – PQ/ – MHz/% – Ω/nS/R
SL
– / – Temp – /m – W/Wh – A/Hz/thd
FUNC
ENTER
000 . 0
%
AC
TRMS
thd : 000 V
MAN / AUTO
DATA/MIN/MAX
100 . 0
%
AC
TRMS
harm : 1 000 V
Fundamental harmonic: 1
st
harmonic
HArM
Line frequency: harm .f: 16 .7 /50 /60 /400 Hz
Measuring range: v.range: 600mV/6 /60 /600 V/auto
Parameters for harmonic analysis:
HArM:1 RMS value of the
fundamental harmonic in V
000 . 0
%
AC
TRMS
harm : 2 000 V
Harmonics: 2 ... 15
RMS value,
2
nd
harmonic
100%
for fundamental harmonic
Distortion through
2
nd
harmonic
PQ
FUNC
ENTER
Event
duration*
Event
value
Types of events:
Dropout: mains failure
Swell:overvoltage
Peak: surge / voltage peak
Trans: transients
dip:voltage drop
lovolt: lower trigger threshold
hivolt: upper trigger threshold
231 . 00
V
DC
AC
TRMS
000.002
Number of
14 : 31 : 10
trans
DC
AC
TRMS
000001
270
26 : 04 : 10
Start
time
Event
type
280 . 1
Event no. 002
Event selection
001 ... 999
mains
Momentary
MAN
on
V
DC
AC
TRMS
MAN MAN
on on
000 . 00
26 : 04 : 10 00 : 22 : 43
V
DC
AC
TRMS
MAN
on
15 : 01 : 10
lovolt
DC
AC
TRMS
000002
MAN
on
events
measured value
ZERO
ESC
CLiP = OFF ! → SETUP
Total RMS value
of distortion in V
thd: total distortion as %
relative to fundamental harmonic
on
ON: disturbance persists
PQ
* Exception, trAnS: previous 1 ms momentary value