3
9. Earth resistance measurement 42
9.1 Connection terminals 42
9.2 Touch voltage limit 42
9.3 Two terminal resistance measurement 42
9.4 Three terminal resistance measurement 44
9.5 Three terminal resistance measurement using ART (MFT1825, MFT1835) 44
9.6 Two-clamp stake-less measurement MFT1835 only 46
10. SETUP OPTIONS 48
11. Warning messages 49
11.1 Startup warnings 49
11.2 Battery 49
11.3 Battery charger 49
11.4 Fuse warning 49
11.5 Invalid rotary switch setting 49
11.6 Continuity test 49
11.7 Insulation test 49
11.8 RCD Test 49
11.9 RCD range selection errors 50
11.10 Loop Test 50
11.11 Earth test 50
11.12 Test will not start 50
Appendix A – Sending, Storing, Deleting and Recalling Test Results 52
Appendix B – Downloading data using Bluetooth® 55
Appendix C – Installation category definitions 57
Appendix D – Safe working practice 57
Appendix E – Cleaning and maintenance 57
Appendix F – Earth resistance testing – Basic principles 57
Appendix G - Repair and Warranty 60
General Specification 62
4. Voltage, frequency, Current and temperature measurement 8
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