METREL EurotestCOMBO MI 3125 User Manual

MI 3125 / BT EurotestCOMBO Table of contents
5
5.6 Line impedance and prospective short-circuit current / Voltage drop .............. 46
5.6.1 Voltage drop .......................................................................................................... 48
5.7 Earth resistance .............................................................................................. 50
5.8 PE test terminal ............................................................................................... 51
6 Data handling (model MI 3125 BT) ...................................................................... 53
6.1 Memory organization ....................................................................................... 53
6.2 Data structure .................................................................................................. 53
6.3 Storing test results ........................................................................................... 55
6.4 Recalling test results ....................................................................................... 56
6.5 Clearing stored data ........................................................................................ 57
6.5.1 Clearing complete memory content ....................................................................... 57
6.5.2 Clearing measurement(s) in selected location ....................................................... 57
6.5.3 Clearing individual measurements ......................................................................... 58
6.5.4 Renaming installation structure elements (upload from PC) .................................. 59
6.5.5 Renaming installation structure elements with serial barcode reader or RFID reader
59
6.6 Communication (model MI 3125 BT) ............................................................... 61
6.6.1 USB and RS232 communication ........................................................................... 61
6.6.2 Bluetooth communication ...................................................................................... 62
7 Upgrading the instrument .................................................................................... 63
8 Maintenance .......................................................................................................... 64
8.1 Fuse replacement ............................................................................................ 64
8.2 Cleaning .......................................................................................................... 64
8.3 Periodic calibration .......................................................................................... 64
8.4 Service ............................................................................................................ 64
9 Technical specifications ...................................................................................... 65
9.1 Insulation resistance ........................................................................................ 65
9.2 Continuity ........................................................................................................ 66
9.2.1 Resistance R LOW  ............................................................................................. 66
9.2.2 Resistance CONTINUITY ...................................................................................... 66
9.3 RCD testing ..................................................................................................... 66
9.3.1 General data ......................................................................................................... 66
9.3.2 Contact voltage RCD-Uc ....................................................................................... 67
9.3.3 Trip-out time .......................................................................................................... 67
9.3.4 Trip-out current ...................................................................................................... 68
9.4 Fault loop impedance and prospective fault current ........................................ 68
9.4.1 No disconnecting device or FUSE selected ........................................................... 68
9.4.2 RCD selected ........................................................................................................ 69
9.5 Line impedance and prospective short-circuit current / Voltage drop .............. 69
9.6 Resistance to earth ......................................................................................... 70
9.7 Voltage, frequency, and phase rotation ........................................................... 70
9.7.1 Phase rotation ....................................................................................................... 70
9.7.2 Voltage .................................................................................................................. 71
9.7.3 Frequency ............................................................................................................. 71
9.7.4 Online terminal voltage monitor ............................................................................. 71
9.8 General data .................................................................................................... 71
A Appendix A - Fuse table ....................................................................................... 73
A.1 Fuse table - IPSC ............................................................................................ 73

METREL EurotestCOMBO MI 3125 Specifications

General

Brand	METREL
Model	EurotestCOMBO MI 3125
Category	Measuring Instruments
Language	English