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TABLE OF CONTENTS
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 .............................................................................................. 4
3.1 Initial inspections ................................................................................................................... 4
3.2 Power supply ........................................................................................................................ 4
3.3 Storage ................................................................................................................................. 4
4 NOMENCLATURE .......................................................................................................... 5
4.1 Instrument description ........................................................................................................... 5
4.2 Description of function keys .................................................................................................. 5
4.3 Description of display ............................................................................................................ 6
4.4 Description of measuring leads ............................................................................................. 7
4.5 GUARD lead ......................................................................................................................... 7
4.6 Notes on the insulation measurements ................................................................................. 7
5 OPERATING INSTRUCTIONS........................................................................................ 8
5.1 Switch on the instrument ....................................................................................................... 8
5.1.1 Auto Power OFF ........................................................................................................................ 8
5.2 Insulation measurement in FIX mode ................................................................................... 9
5.2.1 Configuration of the test parameters for FIX mode .................................................................. 12
5.3 Insulation measurement in ADJUST mode ......................................................................... 13
5.3.1 Configuration of the test parameters for ADJUST mode ......................................................... 16
5.4 Insulation measurement in RAMP mode ............................................................................ 17
5.4.1 Configuration of the test parameters for RAMP#1 mode ......................................................... 21
5.4.2 Configuration of the test parameters for RAMP#2 mode ......................................................... 21
5.4.3 Configuration of the test parameters for RAMP#3 mode ......................................................... 22
5.5 Enable/Disable of SMOOTH function ................................................................................. 22
5.6 Anomalous situations .......................................................................................................... 22
6 MANAGEMENT OF MEMORY DATA ........................................................................... 25
6.1 Save measurements ........................................................................................................... 25
6.2 Delete measurements ......................................................................................................... 25
6.3 Recall measurements ......................................................................................................... 26
7 RESET OF INSTRUMENT ............................................................................................ 26
8 CONNECTION OF THE INSTRUMENT TO PC ............................................................ 26
9 MAINTENANCE ............................................................................................................ 27
9.1 General information ............................................................................................................ 27
9.2 Recharging internal battery ................................................................................................. 27
9.3 Cleaning the instrument ...................................................................................................... 27
9.4 End of life ............................................................................................................................ 27
10 TECHNICAL SPECIFICATIONS ................................................................................... 28
10.1 Reference guidelines .......................................................................................................... 29
10.2 General characteristics ....................................................................................................... 29
10.3 Environment ........................................................................................................................ 30
10.3.1 Environmental conditions for use ............................................................................................. 30
10.4 Accessories ......................................................................................................................... 30
11 SERVICE ....................................................................................................................... 31
11.1 Warranty conditions ............................................................................................................ 31
11.2 Service ................................................................................................................................ 31
12 THEORETICAL APPENDIX .......................................................................................... 32
12.1 Polarization Index (PI) ......................................................................................................... 32
12.2 Dielectric Absorbtion Ratio (DAR) ....................................................................................... 32
EN - 1
HT7051 - HT7051N
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