Ht-instruments HT7052 Bedienungsanleitung PDF herunterladen (Seite 3)

HT7052

EN - 1

Table of Content:

1 PRECAUTIONS AND SAFETY MEASURES .............................................................................. 2

1.1 Preliminary instructions ........................................................................................................................ 2

1.2 During use ............................................................................................................................................ 3

1.3 After use ............................................................................................................................................... 3

1.4 Definition of measurement (overvoltage) category .............................................................................. 3

2 GENERAL DESCRIPTION .......................................................................................................... 4

2.1 Instrument features .............................................................................................................................. 4

3 PREPARATION FOR USE .......................................................................................................... 5

3.1 Initial inspections .................................................................................................................................. 5

3.2 Instrument power supply ...................................................................................................................... 5

3.3 Calibration ............................................................................................................................................ 5

3.4 Storage ................................................................................................................................................. 5

4 DESCRIPTION OF PARTS .......................................................................................................... 6

4.1 Instrument description .......................................................................................................................... 6

4.2 Description of test leads ....................................................................................................................... 7

5 INITIAL OPERATIONS ................................................................................................................ 8

5.1 Switching on the instrument ................................................................................................................. 8

5.1.1 Mains powered instrument operation ................................................................................................ 8

5.1.2 Backlight operation ............................................................................................................................ 8

5.1.3 Autocalibration ................................................................................................................................... 8

5.2 Configuration and Setup of systems parameters ................................................................................. 9

6 HOW TO PERFORM THE MEASUREMENTS .......................................................................... 10

6.1 Theory of insulation resistance measurement ................................................................................... 10

6.1.1 Time dependence test – Diagnostic test ......................................................................................... 12

6.1.2 Withstanding voltage test ................................................................................................................ 15

6.2 Guard terminal .................................................................................................................................... 16

6.3 Use of internal filters ........................................................................................................................... 17

6.3.1 The purpose of filtering .................................................................................................................... 17

6.4 Voltage measurement ........................................................................................................................ 18

6.5 Insulation resistance measurement ................................................................................................... 19

6.5.1 Setting of parameters ...................................................................................................................... 19

6.5.2 Perform the measurement ............................................................................................................... 20

6.6 Diagnostic test .................................................................................................................................... 22

6.6.1 Setting of parameters ...................................................................................................................... 22

6.6.2 Perform the measurement ............................................................................................................... 23

6.7 Insulation resistance with step voltage test ........................................................................................ 25

6.7.1 Setting of parameters ...................................................................................................................... 25

6.7.2 Perform the measurement ............................................................................................................... 26

6.8 Withstanding voltage test ................................................................................................................... 28

6.8.1 Setting of parameters ...................................................................................................................... 28

6.8.2 Perform the measurement ............................................................................................................... 29

7 MANAGEMENT OF MEMORY DATA ....................................................................................... 30

7.1 Saving, recall and clear measurement results ................................................................................... 30

8 CONNECTION OF THE INSTRUMENT TO PC ........................................................................ 31

8.1 Installation of software and initial configurations (Win XP) ................................................................ 31

9 MAINTENANCE ......................................................................................................................... 33

9.1 General information ............................................................................................................................ 33

9.2 Replacement and charging batteries ................................................................................................. 33

9.3 Cleaning the instrument ..................................................................................................................... 33

9.4 End of life............................................................................................................................................ 33

10TECHNICAL SPECIFICATIONS ............................................................................................... 34

10.1Safety standards ................................................................................................................................ 35

10.2General characteristics ....................................................................................................................... 36

10.3Environment ....................................................................................................................................... 36

10.4Accessories ........................................................................................................................................ 36

11SERVICE ................................................................................................................................... 37

11.1Warranty conditions ............................................................................................................................ 37

11.2Service ................................................................................................................................................ 37

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