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MI 3290
METREL MI 3290 User Manual
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3
i.
About the in
struction ma
nual
This
Instruction
manual
contains
detailed
information
on
the
Earth
Anal
yser,
its
key features,
functionalities and use
.
It
is
intended
for
technical
ly
q
ualified
personnel
responsible
for
the
product
and its use.
Please
note
t
hat
LCD
screenshots
in
t
his
document
may
diff
er
from
the
actual
instrument screen
s in details due
to firmware vari
ations and modi
fications.
2
4
Table of Contents
Table of Contents
4
General Description
8
Features
8
Safety and Operational Considerations
9
Warnings and Notes
9
Battery and Charging of Li-Ion Battery Pack
11
Precharge
12
Li - Ion Battery Pack Guidelines
14
Standards Applied
15
Terms and Definitions
16
Instrument Description
17
Instrument Casing
17
Operator's Panel
17
Accessories
19
Standard Set
19
Optional Accessories
19
Instrument Operation
20
General Meaning of Keys
20
General Meaning of Touch Gestures
20
Virtual Keyboard
21
Display and Sound
22
Battery and Time Indication
22
Messages
22
Sound Indication
24
Terminal Voltage Monitor
24
Help Screens
25
Main Menu
26
Instruments Main Menu
26
General Settings
27
Language
28
Power Save
28
Date and Time
29
Instrument Profiles
29
Settings
30
Initial Settings
31
About
31
Auto Sequence® Groups
32
Auto Sequence® Groups Menu
32
Operations in Auto Sequence® Groups Menu
32
Selecting a List of Auto Sequences
33
Deleting a List of Auto Sequences
33
Workspace Manager
34
Workspaces and Exports
34
Workspace Manager Main Menu
34
Operations with Workspaces
35
Operations with Exports
35
Adding a New Workspace
36
Opening a Workspace
37
Deleting a Workspace / Export
37
Importing a Workspace
38
Exporting a Workspace
38
User Accounts
40
Signing in
40
Changing User Password, Signing out
41
Managing Accounts
42
Memory Organizer
44
Memory Organizer Menu
44
Measurement Statuses
44
Structure Items
45
Measurement Status Indication under the Structure Item
45
Operations in Tree Menu
46
Single Tests
58
Selection Modes
58
Single Test Screens
59
Setting Parameters and Limits of Single Tests
60
Single Test Result Screen
61
Graph View
62
Recall Single Test Result Screen
63
Single Test (Visual Test) Screens
64
Single Test (Visual Test) Start Screen
64
Single Test (Visual Test) Screen During Test
65
Single Test (Visual Test) Result Screen
66
Single Test (Visual Test) Memory Screen
67
Tests and Measurements
68
Visual Tests
68
Earth Measurements [Ze and Re]
70
Pole Measurement
71
Pole Measurement
73
Pole Measurement
75
Selective (Iron Clamp) Measurement
77
Clamps Measurement
79
HF-Earth Resistance (25 Khz) Measurement
81
Selective (Flex Clamps 1 - 4) Measurement
84
Passive (Flex Clamps) Measurement
86
Specific Earth Resistance Measurements [Ρ]
89
General on Specific Earth
89
Wenner Method Measurement
90
Schlumberger Method Measurement
92
Impulse Impedance [Zp]
94
Impulse Measurement
94
DC Resistance [R]
96
Ω - Meter (200 Ma) Measurement
96
Ω - Meter (7 Ma) Measurement
97
AC Impedance [Z]
99
Impedance Meter Measurement
99
Earth Potential [Us]
101
Potential Measurement
102
Step and Touch Voltages Theory
106
Pylon Ground Wire Test
108
PGWT Measurement
108
Current [I]
110
Iron Clamp Meter RMS Measurement
111
Flex Clamp Meter RMS Measurement
112
Voltage [V]
113
Voltage Meter RMS Measurement
113
Checkbox
114
Check V - Meter Measurement
115
Check a - Meter Measurement
116
Check Iron, Flex Clamps Measurement
117
Auto Sequences
118
Selection of Auto Sequence
118
Organization of Auto Sequence
119
Auto Sequence® View Menu
119
Step by Step Executions of Auto Sequence
121
Auto Sequence® Result Screen
122
Auto Sequence Memory Screen
124
Communication
125
Maintenance
126
Cleaning
126
Periodic Calibration
126
Service
126
Upgrading the Instrument
126
Technical Specifications
127
Earth [Ze]
127
2, 3, 4 - Pole
127
Selective (Iron Clamp)
128
Clamps
129
Passive (Flex Clamps 1-4)
129
HF Earth Resistance (25 Khz)
130
Selective (Flex Clamps 1 - 4)
131
Test Mode
131
Test Frequency
131
Limit Range (Ze)
131
Test Voltage Shape
131
Automatic Test of Voltage Noise
131
Low Clamp Current Indication
131
Ztot 200
131
(8 % of Reading + 3 Digits)
131
Ztot Definition
131
Specific Earth Resistance Measurements [Ρ]
132
Wenner and Schlumberger Method
132
Earth Potential [Us]
133
Potential
133
S&T Current Source
133
Impulse Impedance [Zp]
134
Impulse Measurement
134
DC Resistance [R]
135
Ω - Meter (200Ma)
135
Ω - Meter (7Ma)
136
AC Impedance [Z]
137
Impedance Meter
137
Current [I]
137
Iron Clamp Meter RMS
137
Flex Clamps Meter RMS
138
Voltage [V]
139
Voltage Meter RMS
139
Influence of the Auxiliary Electrodes
140
Influence of Low Test Current through Clamps
141
Influence of Noise
142
Digital Filtering Technique
143
Sub-Results in Measurement Functions
143
General Data
144
Appendix A - Structure Objects
145
Appendix B - Profiles Selection Table
146
Appendix C - Functionality and Placing of Test Probes
147
Appendix D - Pulse and 3-Pole Example
151
Appendix E - Programming of Auto Sequences® on Metrel es Manager
152
Appendix F - the Balancing Procedure
159
4
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METREL MI 3290 Specifications
General
Brand
METREL
Model
MI 3290
Category
Measuring Instruments
Language
English
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