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ProInstall-75
CONTENTS
INTRODUCTION ...........................................................................................................3
SYMBOLS .....................................................................................................................3
SAFETY INFORMATION ...............................................................................................4
UNPACKING THE TESTER ............................................................................................5
OPERATING THE TESTER .............................................................................................5
Using the Rotary Switch ........................................................................................................ 5
Understanding the Pushbuttons ........................................................................................... 5
Understanding the Display ................................................................................................... 7
Input Terminals ...................................................................................................................... 9
Error Codes ............................................................................................................................. 9
Power-On Options ................................................................................................................. 10
MAKING MEASUREMENTS .........................................................................................11
Measuring Volts and Frequency ........................................................................................... 11
Measuring Insulation Resistance .......................................................................................... 11
Measuring Continuity ........................................................................................................... 12
Measuring Loop/Line Impedance ......................................................................................... 12
Loop impedance (line to protective earth L-PE) ........................................................... 13
Earth resistance testing by loop method ....................................................................... 14
Line impedance ............................................................................................................... 15
Measuring RCD Tripping Time .............................................................................................. 16
Measuring RCD Tripping Current ......................................................................................... 18
RCD Testing in IT Systems ...................................................................................................... 20
Testing Phase Sequence ........................................................................................................ 20
MAINTAINING THE TESTER .........................................................................................21
Cleaning ................................................................................................................................. 21
Testing and Replacing the Batteries ..................................................................................... 21
Testing the Fuse ..................................................................................................................... 22
DETAILED SPECIFICATIONS .........................................................................................23
Features .................................................................................................................................. 23
General Specifications ........................................................................................................... 24
ELECTRICAL MEASUREMENT SPECIFICATIONS ..........................................................25
Insulation Resistance (R
ISO
) ................................................................................................... 25
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