HT instruments VEGA78 User Manual
Page 3
VEGA78
EN - 1
Table of contents:
1.
PRECAUTIONS AND SAFETY MEASURES ............................................................. 3
1.1.
General ................................................................................................................................. 3
1.2.
Preliminary instructions ......................................................................................................... 3
1.3.
During use ............................................................................................................................. 4
1.4.
After use ................................................................................................................................ 4
1.5.
Measuring (overvoltage) categories definitions ..................................................................... 4
2.
GENERAL DESCRIPTION ......................................................................................... 5
2.1.
Introduction ........................................................................................................................... 5
2.2.
Functions ............................................................................................................................... 5
2.3.
Initial screen .......................................................................................................................... 5
3.
PREPARE TO USE ..................................................................................................... 6
3.1.
Initial check ........................................................................................................................... 6
3.2.
Instrument power supply ....................................................................................................... 6
3.3.
Calibration ............................................................................................................................. 6
3.4.
Storage .................................................................................................................................. 6
4.
HOW TO OPERATE ................................................................................................... 7
4.1.
Instrument description ........................................................................................................... 7
4.2.
Keyboard description ............................................................................................................ 8
4.3.
Display description ................................................................................................................ 9
4.4.
Reset of meter ....................................................................................................................... 9
5.
GENERAL MENU ..................................................................................................... 10
5.1.
General settings .................................................................................................................. 11
5.1.1.
Language selection .................................................................................................................. 11
5.1.2.
Date/Time settings .................................................................................................................... 12
5.1.3.
Display brightness adjust .......................................................................................................... 13
5.1.4.
Protection Password setting ..................................................................................................... 13
5.1.5.
Sound keys setting ................................................................................................................... 14
5.1.6.
Auto power off setting ............................................................................................................... 15
5.1.7.
Memory type setting ................................................................................................................. 16
5.1.8.
“Touch screen” calibration ........................................................................................................ 16
5.2.
Real Time Values ................................................................................................................ 17
5.2.1.
4-wire three phase system – Screens sequence ..................................................................... 17
5.2.2.
3-wire three phase system – Screens sequence ..................................................................... 20
5.2.3.
3-wire ARON three phase system – Screens sequence .......................................................... 22
5.2.4.
Single phase system – Screens sequence .............................................................................. 24
5.2.5.
SCOPE waveforms screens ..................................................................................................... 25
5.2.6.
HARM analysis screens ........................................................................................................... 28
5.2.7.
Vectorial diagrams screens ...................................................................................................... 32
5.3.
Analyzer Settings ................................................................................................................ 36
5.3.1.
Analyzer Configuration screen ................................................................................................. 36
5.3.1.1.
Setting system frequency ................................................................................................................ 38
5.3.1.2.
Setting clamp type ........................................................................................................................... 38
5.3.1.3.
Setting full scale of clamps .............................................................................................................. 38
5.3.1.4.
Setting VT ratio ................................................................................................................................ 39
5.3.2.
Advanced Settings screen ........................................................................................................ 39
5.3.2.1.
Zoom graphics option ...................................................................................................................... 39
5.3.2.2.
Harmonics type option ..................................................................................................................... 40
5.3.2.3.
Harmonics values option ................................................................................................................. 40
5.3.2.4.
Zoom with respect to the 1st harmonic option ................................................................................. 41
5.3.2.5.
Average value option ....................................................................................................................... 41
5.4.
Recording settings .............................................................................................................. 42
5.4.1.
Recording settings screen ........................................................................................................ 42
5.4.2.
Comments ................................................................................................................................ 43
5.4.2.1.
Use of virtual keyboard .................................................................................................................... 43
5.4.3.
Start and Stop ........................................................................................................................... 44
5.4.4.
Integration period ...................................................................................................................... 44
5.4.5.
Cogenerations .......................................................................................................................... 44
5.4.6.
General Parameters ................................................................................................................. 45
5.4.6.1.
General Parameters: sub-levels description .................................................................................... 47