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Sonel MPI-506 User Manual
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MPI-
506
–
USER MANUAL
35
3.7
Low
-voltage resistance measurement
NOTE!
Do
not
connect
to the
meter
voltage above
440 V
DC
as this
can
damage
the i
n-
strument.
3.7.1
Test leads resistance compensation
–
auto-z
eroing
Switch on the meter.
Set the rotary switch to the
R
CONT
R
x
position.
Set auto-zeroing according to the follow
ing algorithm.
R
◄►
R
CONT
◄►
AUTO
-ZERO
Close the test leads.
Press
STA
RT
to commence the
auto-zer
oing.
36
38
Table of Contents
Default Chapter
5
Table of Contents
5
1 Safety
7
2 Quick Start
8
Switching on and Off, Display Backlight
8
Selecting General Measurement Parameters
8
Remembering the Last Measurement Result
8
3 Measurements
10
AC Voltage Measurement
10
Voltage and Frequency Measurement
10
Checking the Correctness of PE (Protective Earth) Connections
11
Fault Loop Parameters
12
Selecting the Lead Length
12
Prospective Short-Circuit Current
13
Fault Loop Parameters in the L-N and L-L Circuits
14
Fault Loop Parameters in the L-PE Circuit
17
Fault Loop Impedance in L-PE Circuit Protected with a Residual Current Device (RCD)
19
RCD Parameters
21
RCD Tripping Current
21
RCD Tripping Time
24
Automatic Measurements of RCD Parameters
27
FULL Mode
27
STANDARD Mode
31
Insulation Resistance
34
Measurement of Individual Objects
34
Additional Information
36
Low-Voltage Resistance Measurement
37
Test Leads Resistance Compensation - Auto-Zeroing
37
Low-Current Resistance Measurement
38
Measurement of Resistance of Protective Conductors and Equipotential Bonding with ±200 Ma Current
40
Phase Sequence
42
4 Memory of Measurement Results
44
Entering the Measurement Results to the Memory
44
Changing the Cell and Bank Number
46
Browsing the Memory
46
Clearing the Memory
48
Clearing the Bank
48
Clearing the Whole Memory
49
Communication with Computer
50
Package for Cooperation with Computer
50
Data Transmission with Bluetooth 4.2 Module
50
5 Troubleshooting
51
6 Power Supply
53
Monitoring the Power Supply Voltage
53
Replacing the Batteries
53
General Rules of Using the Nickel Metal Hydride (Ni-MH) Batteries
54
7 Cleaning and Maintenance
54
8 Storage
55
9 Dismantling and Disposal
55
10 Technical Data
55
Basic Information
55
Voltage Measurement
55
Frequency Measurement
55
Z L-PE , Z L-N , Z L-L Fault Loop Impedance Measurement
55
Z L-PE Fault Loop Impedance Measurement RCD (Without Tripping the RCD)
56
Measurement of the RCD Parameters
57
Measurement of Insulation Resistance
59
Low-Voltage Continuity and Resistance Measurement
59
Phase Sequence
60
Other Technical Specifications
60
Additional Information
61
Additional Uncertainty According to IEC 61557-3 (Z)
61
Additional Uncertainty According to IEC 61557-4 (R ±200 Ma)
61
Additional Uncertainty According to IEC 61557-6 (RCD)
61
11 Accessories
62
Standard Accessories
62
Optional Accessories
62
12 Manufacturer
64
13 Laboratory Services
65
4
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Sonel MPI-506 Specifications
General
Brand
Sonel
Model
MPI-506
Category
Measuring Instruments
Language
English
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