Fluke 1672 - Page 4

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1672/1673 FC/1674 FC
Users Manual
Measurement Settings..................................................................................................... 19
Limits .............................................................................................................................. 19
Global Measurement Settings .............................................................................. 20
Info ........................................................................................................................................... 21
System Info.................................................................................................................. 21
Ranges and Uncertainties ...................................................................................... 21
Licenses........................................................................................................................21
Battery Info................................................................................................................... 22
Input Terminals............................................................................................................................. 22
Warnings and Messages .......................................................................................................... 24
How to Zero the Test Leads.................................................................................................... 24
Safety Pretest for Insulation Resistance Measurements ............................................ 27
Measurements ............................................................................................................................. 28
Volts and Frequency Measurements.......................................................................... 28
Insulation Resistance Measurement........................................................................... 30
Line Pair Setting ......................................................................................................... 31
Safety Pretest ............................................................................................................. 31
Test Voltage ................................................................................................................ 31
Test Results ................................................................................................................. 32
Continuity Measurement................................................................................................. 32
Loop Impedance Measurement.................................................................................... 33
No Trip Mode (Low Current) .................................................................................. 33
Trip Mode (High Current) ........................................................................................ 36
Line Impedance................................................................................................................... 38
RCD Trip Time Measurement......................................................................................... 40
Custom RCD Setting – Var mode ........................................................................ 43
RCD Tripping Time in Auto mode ........................................................................ 43
RCD Tripping Current Measurements........................................................................ 45
RCD Tests in IT Systems ................................................................................................. 47
Phase Rotation Tests........................................................................................................ 48
Earth Resistance Measurements (1673 FC and 1674 FC).................................. 49
Voltage Drop ........................................................................................................................ 50
SPD (1674 FC)...................................................................................................................... 51
IMD........................................................................................................................................... 52
Applications................................................................................................................................... 53
How to Test a Mains Socket and Ring Installation................................................. 53
Earth Resistance Test by Loop Method .................................................................... 54
Zmax........................................................................................................................................ 55
Auto Start .............................................................................................................................. 55
Loop Impedance Test with 10 mA RCD..................................................................... 55
Preset Auto Test (1673 FC/1674 FC).......................................................................... 56
Programmed Autotest Sequence (1674 FC) .................................................................... 59