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EurotestCOMBO MI 3125
METREL EurotestCOMBO MI 3125 User Manual
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MI 3125 / BT EurotestCOMBO
Measurements
42
Result examples:
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6
Step 7
Step 8
Figure 5.
21
: Individual steps in RCD autotest
Top
Bottom
Figure 5.
22
: Two parts of result field in RCD autotest
40
42
Table of Contents
Default Chapter
3
Table of Contents
3
1 Preface
6
2 Safety and Operational Considerations
7
Warnings and Notes
7
Battery and Charging
10
New Battery Cells or Cells Unused for a Longer Period
11
Standards Applied
12
3 Instrument Description
13
Front Panel
13
Connector Panel
15
Back Side
16
Display Organization
17
Terminal Voltage Monitor
17
Battery Indication
17
Message Field
17
Result Field
18
Sound Warnings
18
Help Screens
18
Backlight and Contrast Adjustments
19
Instrument Set and Accessories
20
Standard Set MI 3125
20
Standard Set MI 3125 BT
20
Optional Accessories
20
4 Instrument Operation
21
Function Selection
21
Settings
22
Memory (Model MI 3125 BT)
22
Language
23
Date and Time (Model MI 3125 BT)
23
RCD Testing
23
Isc Factor
25
Commander Support
25
Initial Settings
26
5 Measurements
28
Voltage, Frequency and Phase Sequence
28
Insulation Resistance
30
Resistance of Earth Connection and Equipotential Bonding
32
R LOWΩ, 200 Ma Resistance Measurement
33
Continuous Resistance Measurement with Low Current
34
Compensation of Test Leads Resistance
35
Testing Rcds
36
Contact Voltage (RCD Uc)
37
Trip-Out Time (Rcdt)
38
Trip-Out Current (RCD I)
39
RCD Autotest
40
Fault Loop Impedance and Prospective Fault Current
43
Line Impedance and Prospective Short-Circuit Current / Voltage Drop
45
Voltage Drop
47
Earth Resistance
49
PE Test Terminal
50
6 Data Handling (Model MI 3125 BT)
52
Memory Organization
52
Data Structure
52
Storing Test Results
54
Recalling Test Results
55
Clearing Stored Data
56
Clearing Complete Memory Content
56
Clearing Measurement(S) in Selected Location
56
Clearing Individual Measurements
57
Renaming Installation Structure Elements (Upload from PC)
58
Renaming Installation Structure Elements with Serial Barcode Reader or RFID Reader
58
Communication (Model MI 3125 BT)
60
USB and RS232 Communication
60
Bluetooth Communication
61
7 Upgrading the Instrument
62
8 Maintenance
63
Fuse Replacement
63
Cleaning
63
Periodic Calibration
63
Service
63
9 Technical Specifications
64
Insulation Resistance
64
Continuity
65
Resistance R LOW
65
Resistance CONTINUITY
65
RCD Testing
65
General Data
65
Contact Voltage RCD-Uc
66
Trip-Out Time
66
Trip-Out Current
67
Fault Loop Impedance and Prospective Fault Current
67
No Disconnecting Device or FUSE Selected
67
RCD Selected
68
Line Impedance and Prospective Short-Circuit Current / Voltage Drop
68
Resistance to Earth
69
Voltage, Frequency, and Phase Rotation
69
Phase Rotation
69
Voltage
70
Frequency
70
Online Terminal Voltage Monitor
70
General Data
70
A Appendix A - Fuse Table
72
Fuse Table - IPSC
72
Fuse Table - Impedances at 230 V A.C. (AS/NZS 3017)
75
B Appendix B - Accessories for Specific Measurements
76
C Appendix C - Country Notes
77
List of Country Modifications
77
Modification Issues
77
HUN Modification - Gr Fuse Types
77
AT Modification - G Type RCD
78
NO, DK, SW Modification - IT Supply System
79
AUS / NZ Modification - Fuse Types According to AS/NZS 3017
80
D Appendix D - IT Supply Systems
83
Standard References
83
Fundamentals
83
Measurement Guides
83
E Appendix E - Commanders (a 1314, a 1401)
86
Warnings Related to Safety
86
Battery
86
Description of Commanders
86
Operation of Commanders
87
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METREL EurotestCOMBO MI 3125 Specifications
General
Brand
METREL
Model
EurotestCOMBO MI 3125
Category
Measuring Instruments
Language
English
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