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Sonel MPI-520 User Manual
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MPI-
520
OPERATING MANUAL version 3.4
38
Remarks
:
A
TT
ENTION!
W
hen
“
Object
under
voltage
”
message
is
display
ed,
the
object
tested
is
liv
e
.
The
measurement
is
blocked
.
T
he
m
eter
must
be
imm
ediately
di
sconnect
ed
from
the
object
.
A
dditional information displayed by
the meter
NOISE!
Interference
voltage
occurs
on
the
object
tested
.
The
measurement
is
possible
how
ever
it
will
be
bur
dened
with
additional uncertainty
that is
specified in the technical data
.
3.8.2
M
easurement of resistance
Set
the
rotary
switch
of
f
unction
sele
c-
tion
at
R
X
R
±200
mA
position.
Press
F1
push-button
and
m
ove
to
selection
of
measurement m
ode.
39
41
Table of Contents
Default Chapter
3
Operating Manual
3
Table of Contents
5
1 Safety
7
2 Menu
8
Wireless Transmission
8
Settings of Measurements
9
Network Voltage and Frequency
9
Main Result of Short Circuit Loop Impedance Measurement
10
Measurement Settings
10
Cell Autoincrementing
10
Settings of the Meter
11
LCD Contrast
11
LCD Backlight
12
Auto-OFF Settings
12
Date and Time
12
Factory (Default) Settings
13
Program Update
13
Language Selection
13
Information about Manufacturer
13
3 Measurements
14
Measurement of Alternating Voltage and Frequency
14
Checking Correctness of PE (Protective Earth) Connections
14
Measurement of Current, Active Power, Reactive Power, Apparent Power and Cosφ Coefficient
15
Measurement of Short Circuit Loop Parameters
16
Measurement of Short Circuit Loop Parameters in L-N and L-L Circuit
16
Measurement of Short Circuit Loop Parameters in L-PE Circuit
18
Measurement of Short Circuit Loop Impedance in L-PE Circuit Protected with Residual Current Device (RCD)
20
Prospective Short-Circuit Current
21
Measurement of Resistance-To-Earth
22
Measurement of Rcd Parameters
24
Measurement of RCD Disconnection Current
25
Measurement of RCD Disconnection Time
27
Automatic Measurement of RCD Parameters
29
Measurement of Insulation Resistance
32
Double-Lead Measurement
32
Measurements with Autoiso-1000C Adapter
35
Measurements by Means of Leads with UNI-Schuko Outlet Plug (WS-03 and WS-04)
36
Low-Voltage Measurement of Resistance
38
Measurement of Resistance of Protective Conductors and Equipotential Bonding with ±200 Ma Current
38
Measurement of Resistance
40
Calibration of Test Leads
41
Checking Sequence of Phases
42
4 Memory of Measurement Result Data
44
Recording Measurement Result Data in the Memory
44
Viewing Memory Data
46
Deleting Memory Data
48
5 Data Transmission
50
Computer Connection Accessories
50
Data Transmission with Usb Joint
50
Data Transmission with Or-1 Radio Module
50
6 Power Supply
52
Monitoring of the Power Supply Voltage
52
Replacement of Batteries (Accumulators)
52
Charging of Accumulators
53
General Principles Regarding Using Ni-MH Accumulators
54
7 Cleaning and Maintenance
56
8 Storage
56
9 Dismantling and Utilisation
56
10 Technical Data
57
Basic Data
57
Additional Data
64
Iso )
65
Additional Uncertainties According to IEC 61557-3 (Z)
65
Additional Uncertainties According to IEC 61557-4 (R ±200 Ma)
65
Additional Uncertainties According to IEC 61557-5
65
Additional Uncertainties According to IEC 61557-6 (RCD)
66
11 Equipment
67
Standard Equipment
67
Optional Equipment
67
12 Positions of the Meter's Cover
68
13 Manufacturer
68
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User Manual
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Sonel MPI-520 Specifications
General
Brand
Sonel
Model
MPI-520
Category
Measuring Instruments
Language
English
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