Fluke 27/FM - Measurement Techniques - Current

Measuring Voltage
AQCOUPLED
INPUT
WAVEFORM
PEAK VOLTAGES METERED VOLTAGES
DC AND AC
TOTAL RMS
PK-PK
0-PK
AC COMPONENT ONLY
DC
COMPONENT
ONLY
R MS CAL* 27/FM
TRUE RMS
=
Vac 2 + dc 2
SINE
PK
2.828
1.414
1.000
1.000
0.000
1.000
0

PK-PK
--f-
RECTIFIED SINE
(FULL WAVE)
PK

i_
-
1.414
1.414
0.421
0.435
0.900
1.000
o
ry) PK-PK
" -- f -
RECTIFIED SINE
(HALF WAVE)
PK
--i-
2.000
2.000
0.764
0.771
0.636
1.000
ni\PK-PK
0
T-
SQUARE
PK
art
-+---
PK-PK
-±.-
2.000
1.000
1.110
1.000
0.000
1.000
RECTIFIED
SQUARE
PK

PK-PK-+
0
T
1.414
1.414
0.785
0.707
0.707
1.000
RECTANGULAR
PULSE
2.000
2.000
2.22K
2K
90
2-VF
X
PK -PK
_ 4.1 0 y  14 _ 
4-
D = X/Y
K =OD - D 2
TRIANGLE
SAWTOOTH
PK
3.464
1.732
0
Av
1.000
0.960
0.000
1.000
PK-PK
i-
"
RMS CAL IS THE DISPLAYED VALUE FOR AVERAGE RESPONDING METERS
THAT ARE CALIBRATED TO DISPLAY RMS FOR SINE WAVES
Figure 1, Waveform Conversion