Hioki FT6031 - Page 4

ii
2.7 SimpliedMeasurementforEarth
Resistance(SimpliedMeasurement
Method, Two-pole Method) ...........................44
Performing zero adjustment ......................................46
Connecting test leads ...............................................48
Measuring earth resistance ......................................51
Stowing .....................................................................51
2.8 Cautions and Tips for Measurement ...........52
Distance between earthing electrodes ......................52
Location to install auxiliary earthing rod ....................53
How to insert / pull out auxiliary earthing rod ............ 54
2.9 Auto Power Save
(Power-saving Function) ..............................56
2.10 Activating the LCD All-on Display ...............56
2.11 Displaying the Serial number .......................57
3 Specication 59
3.1 GeneralSpecication ...................................59
3.2 Measurement Function/Performance .......... 61
4 Maintenance and Service 67
4.1 Repair, Inspection, and Cleaning .................67
4.2 Troubleshooting ............................................69
4.3 Error Display ..................................................73
Appendix Appx. 1
Appendix 1 Earth Resistance ...................Appx. 1
Appendix 2 Measurement Principle .........Appx. 3