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195
Functional Specifications
Waveform secondary
differential detection
judgments
[LAPLACIAN]
The amount of the high-frequency component expressed by the test waveform
in the user-designated area is detected, and judge the discharge by its size.
Secondarily differentiates the test waveform, and calculates the surface area of
the differentiated waveform as the discharge component amount.
Laplacian
=
Number of data 1
Σ
n
=1
|−
d
n
−1
+2
d
n
−
d
n
+1
|
Judgment values
Sets the noise amount
Settings range: OFF / 0 to 999,999 (1 step)
Judgment area
Sets the judgment area using points
Settings area: Within sampling data range
(3) Discharge judgments (When incorporating Model ST9000)
Discharge judgments
[DISCHARGE]
Separates and samples the high-frequency components expressed locally by
the discharges as the high-frequency components from stationary noise
Detects and judges discharge components using higher detection performance
than flutter and LaPlacian judgments
Sets the judgment
methods
Settings range: OFF, FIXED, AUTO
FIXED: Compares and judges the amount of
the discharge component of the master
waveform and the amount of the discharge
component of the test waveform.
AUTO: Calculates the variation of the high-
frequency components expressed by the
test waveform as the standard deviation (
σ
),
and judges from the discharge whether or
not the variation exceeds the fixed amount.
Sets the threshold value
over the master waveform
discharge amount when
FIXED
Settings range: OFF / 0 to 999% (1% step)
Sets the deviation (
σ
)
threshold value during
AUTO
Settings range: OFF / 3 to 100 (1 step)
Test conditions switching functions
Test conditions switching
functions
You can save multiple test conditions and master waveforms as settings tables
and switch between them as desired.
Number of tables
255
Hold items
Test conditions, judgment conditions, and master
waveforms
Switching between tables Screen, communications, and external controls
(EXT. I/O)
Table initialization
Initializes the data in the settings tables
Table settings
Adds a user-selected name to each settings table
Number of inputtable characters: 127 characters
max.
13
Specifications
Содержание ST4030
Страница 2: ......
Страница 14: ...6 Usage Notes ...
Страница 32: ...24 Inspecting before Measurement and Verifying Operations ...
Страница 42: ...34 Table Copying ...
Страница 108: ...100 Setting Dielectric Break down Judgment Conditions ...
Страница 132: ...124 Terminal Open Error Setting ...
Страница 198: ...190 Editing Files and Folders ...
Страница 214: ...206 Interface Specifications ...
Страница 237: ...229 Dimensions Diagram 15 4 Dimensions Diagram Unit mm 215 1 348 3 178 0 5 285 6 0 5 200 1 13 40 3 1 15 3 1 15 Appendix ...
Страница 248: ...240 Precautions when Processing Test Leads ...
Страница 252: ...244 Index ...
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