UNI-T UTD3025C

Oper ating Man ual fo r UTD 2000/3000
Analysis of FFT frequency spectrum
Time domain signal can be converted to frequency
domain signal when using mathematical c alculatio
n
of fast Fourier transtable (FFT). Following types of
signals can be observed conveniently by usin
g
FFT
Measure harmonic content and distortion withi
n
measurement system
;
㧦
Ɣ
Ɣ
Ɣ
Show noise characteristics in DC power
;
A
nalyze vibration
;
2
2
Function Menu
Setup Descriptio
n
Type
Mat
h
,
.
--
-
hr
Informatio
n
source
CH1
CH
2
To set information source 1
as Ch1 channel waveform
.
To set information source 1
as Ch2 channel waveform
.
,
.
Information source 1
Information source
2
Information source 1
Information source
2
Information source 1
Information source
2
Information source 1
Information source
2
,
.
Ø
r
Operator
Informatio
n
source
2
CH1
CH
2
To set information source
2
as CH1 channel waveform
.
To set information source
2
as CH2 channel waveform
.
Form 2-2: Introduction to mathematical calculatio
n
Ø
r