HT instruments PQA820 User Manual
Page 2
PQA820
EN – 1
Table of contents
1.
PRECAUTIONS AND SAFETY MEASURES ........................................................... 3
1.1.
Preliminary instructions .................................................................................................... 3
1.2.
During use ........................................................................................................................ 4
1.3.
After use ........................................................................................................................... 4
1.4.
Definition of measurement (overvoltage) category .......................................................... 4
2.
GENERAL DESCRIPTION ....................................................................................... 5
2.1.
Foreword .......................................................................................................................... 5
2.2.
Instrument functions ......................................................................................................... 5
3.
PREPARATION FOR USE ....................................................................................... 6
3.1.
Initial checks ..................................................................................................................... 6
3.2.
Instrument power supply .................................................................................................. 6
3.3.
Calibration ........................................................................................................................ 6
3.4.
Storage ............................................................................................................................. 6
4.
NOMENCLATURE .................................................................................................... 7
4.1.
Instrument description ...................................................................................................... 7
4.2.
Keyboard description ....................................................................................................... 7
4.3.
Description of the LED ..................................................................................................... 7
5.
INITIAL SETTINGS ................................................................................................... 8
5.1.
Setting the electrical system ............................................................................................ 8
5.2.
Setting type of clamp ...................................................................................................... 11
5.3.
Setting the clamp's full scale .......................................................................................... 11
5.4.
Setting the value of transformation ratio of VTs ............................................................. 11
5.5.
Setting limits for voltage anomalies ............................................................................... 11
5.6.
Setting the integration period ......................................................................................... 11
5.7.
Setting a programmed start and stop ............................................................................. 12
5.8.
Setting the instrument's date and time ........................................................................... 12
6.
MEASURING PROCEDURES ................................................................................ 13
6.1.
Connection in a single-phase system ............................................................................ 13
6.2.
Connection in a three-phase 3-wire system ................................................................... 14
6.3.
Connection in a three-phase 4-wire system ................................................................... 15
7.
RECORDING OF ELECTRICAL PARAMETERS ................................................... 16
7.1.
Starting recording ........................................................................................................... 16
7.2.
While recording .............................................................................................................. 16
7.3.
Stopping recording ......................................................................................................... 16
8.
MEMORY MANAGEMENTS ................................................................................... 17
8.1.
Clear data ....................................................................................................................... 17
9.
TRANSFERRING DATA TO THE MANAGEMENT SOFTWARE .......................... 18
9.1.
Transferring data via USB port....................................................................................... 18
9.2.
Transferring data via WiFi .............................................................................................. 18
9.3.
Connection to iOS/Android devices through WiFi .......................................................... 18
10.
MAINTENANCE ...................................................................................................... 19
10.1.
General information ................................................................................................ 19
10.2.
Cleaning the instrument .......................................................................................... 19
10.3.
End of life ................................................................................................................ 19
11.
TECHNICAL SPECIFICATIONS............................................................................. 20
11.1.
Technical characteristics ........................................................................................ 20
11.2.
Reference guidelines .............................................................................................. 21
11.3.
General characteristics ........................................................................................... 21
11.4.
Environment............................................................................................................ 21
11.4.1.
Environmental conditions for use ............................................................................... 21
11.5.
Accessories ............................................................................................................ 21
12.
APPENDIX – THEORETICAL OUTLINE ................................................................ 22