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Sonel MPI-540 User Manual
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MPI-
540
–
USER MANUAL
97
3.9
Low
-voltage measurement of
resistance
3.9.1
M
easurement of resistance
Select
item
R
X
,
to
call
up
the
measurement s
cree
n.
Select
A
utozero
to
elim
inate
the
resistance of test
leads.
Follow the on-scree
n prompts.
Description of function icons
Yes
–
accept selection
No
–
cancels
the action
After
selecting
Yes
the
m
eter
will
give
the
result
reduced
by
t
he
resistance of test
leads.
98
100
Table of Contents
Table of Contents
5
Safety
9
Main Menu
10
Meter Settings
11
Setting Date and Time
12
Automatic Shutdown
13
Display Parameters
15
Settings of Measurements
16
Sub-Menu Measurement Settings
16
Sub-Menu Edit Fuses
18
Adding Security Characteristics
18
Adding Fuses
22
Communication
26
USB Communication
26
Update
26
Regional Settings
27
Meter Information
28
Measurements
29
Diagnostics Performed by the Meter - Limits
30
Measurement of Alternating Voltage and Frequency
30
Checking the Correctness of PE (Protective Earth) Connections
31
Measurement of Fault Loop Parameters
32
Settings of Measurements
32
Measurement of Fault Loop Parameters in the L-N and L-L Circuits
35
Measurement of Fault Loop Parameters in the L-PE Circuit
39
Measurement of Fault Loop Impedance in L-PE Circuit Protected with a Residual Current Device (RCD)
42
Prospective Short-Circuit Current
45
Measurement of Fault Loop Impedance in IT Networks
47
Measurement of Resistance-To-Earth
48
Settings of Measurements
48
Measurement of Resistance to Earth Using 3P Method
51
Measurement of Resistance to Earth Using 4P Method
55
Measurement of Resistance to Earth Using 3P + Clamps Method
59
Measurement of Resistance to Earth Using Double Clamp Method
63
Measuring Soil Resistivity
66
Settings of Measurements
66
Main Elements of the Screen
68
Soil Resistivity Measurements
69
Measurement of RCD Parameters
73
Settings of Measurements
73
Measurement of RCD Disconnection Current
78
Measurement of RCD Disconnection Time
81
Measurements in IT Networks
84
Measurement of Insulation Resistance
85
Settings of Measurements
85
Measurement Using Probes
90
Measurements Using UNI-Schuko Adapter (WS-03 and WS-04)
92
Measurements Using Autoiso-1000C
95
Low-Voltage Measurement of Resistance
99
Measurement of Resistance
99
Measurement of Resistance of Protective Conductors and Equipotential Bonding with ±200 Ma Current
102
Checking Sequence of Phases
106
Checking the Motor Rotation Direction
108
Illuminance Measurements
110
Recorder
112
Functional Description
112
Main Elements of the Screen
114
Top Bar
115
Title Bar
115
Main Window
116
Information Bar on the Parameters of the Current Network
116
Help
116
Connecting the Measuring System
117
Measuring Arrangements
117
Verifying the Connection
120
Recording Configuration
121
Configuration Using the Meter
121
Recording Configuration
122
Analyzer Settings
124
Hardware Settings - Clamps (Manner of Connecting)
124
Settings - Regional Settings
125
Managers - File Manager
126
Data Viewing
127
Data Preview
128
LIVE Mode of the Network
129
Transient Waveforms of Current and Voltages (Waveforms)
129
Timeplot of Effective Values
131
Live" Mode - Tabular View
132
Vector Diagram of Fundamental Components (Phasor)
134
Harmonics Graph/Table
135
Switching the Recording On/Off
137
Approximate Recording Times
137
Recording Guidelines
138
Recording Analysis
138
Recording Timeplot
141
Functional Description
141
Selecting Parameters for the Timeplot
142
Creating and Managing a Timeplot
144
Harmonics Waveform Graph
146
Energy Costs Calculator
148
Functional Description
148
Settings of the Energy Cost Calculator
149
Energy Loss Calculator
151
Functional Description
151
Configuration of the Loss Calculator
152
Memory of the Meter
154
Memory of Measurements
154
Memory Settings
154
Structure of the Memory
155
Fundamentals of Navigating the Memory Menu
156
Adding a New Measurements Tree
158
Entering the Measurement Result
163
Viewing Saved Measurements
164
Searching the Meter Memory
166
Recorder Memory
167
Microsd Memory Card
167
USB External Memory (Flash Drive)
167
Compatibility with Sonel Analysis Software
168
PC Connection and Data Transmission
168
Power Supply
169
Monitoring of the Battery Charge Status
169
Replacing Rechargeable Batteries
169
Charging the Rechargeable Batteries
170
General Rules for Using Li-Ion Rechargeable Batteries
171
Cleaning and Maintenance
172
Storage
172
Dismantling and Utilisation
172
Technical Data
173
Basic Data
173
Measurement of Alternating Voltages (True RMS)
173
Frequency Measurement
173
Measurement of Fault Loop Impedance Z
173
L-Pe , Z L-N , Z L-L
173
Measurement of Fault Loop Impedance Z
174
L-Pe[Rcd]
174
Measurement of Parameters of RCD
175
Measurement of Resistance-To-Earth R
177
Low-Voltage Measurement of Continuity of Circuit and Resistance
178
Measurement of Insulation Resistance
179
Light Measurements
180
Phase Sequence
181
Motor Rotation
181
Recorder Data
181
Inputs
181
Sampling and RTC
182
Voltage Measurement
182
Measurement of Current (True RMS)
183
Frequency Measurement
183
Measuring Harmonics
184
Unbalance
184
Power and Energy Measurement
184
Estimated Measurement Uncertainty Values for Power and Energy
185
Other Technical Data
186
Additional Data
187
Additional Uncertainties According to IEC 61557-2
187
Additional Uncertainties According to IEC 61557-3 (Z)
187
Iso )
187
Additional Uncertainties According to IEC 61557-4 (R ±200 Ma)
187
Additional Uncertainties of Earth Resistance Measurement
187
Additional Uncertainties According to IEC 61557-6 (RCD)
188
List of Reference Standards
189
Accessories
189
Standard Accessories
189
Additional Accessories
190
Clamps
196
Clamps C-4A
197
Clamps C-5A
198
Clamps C-6A
200
Clamps C-7A
201
Clamps F-1A, F-2A, F-3A
202
Clamps N-1
204
Positions of the Meter's Cover
205
Manufacturer
205
Laboratory Services
206
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Sonel MPI-540 Specifications
General
Brand
Sonel
Model
MPI-540
Category
Measuring Instruments
Language
English
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