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JUPITER
HT JUPITER User Manual
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JUPITER
IT - 19
8.
In case no anomalous conditions are presen
t, the instrument carri
es out the test and
symbol
flashes on the display. At
the end of the test, th
e following screens appear on
the display.
Fig. 22: Results of measurement
of overall earth resistance
9.
The screen in Fig. 22
–
left side shows the value of overall earth resistance. Press keys
/
or
to display the value of a
ssumed short-circuit current
Isc
(see § 9.3)
20
22
Table of Contents
Default Chapter
3
Table of Contents
3
1 Precautions and Safety Measures
4
Preliminary Instructions
4
During Use
5
After Use
5
Definition of Measurement (Overvoltage) Category
5
2 General Description
6
Measuring Average Values Andtrms Values
6
Definition of True Root Mean Square Value and Crest Factor
6
3 Preparation for Use
7
Initial Checks
7
Instrument Power Supply
7
Storage
7
4 Nomenclature
8
Description of the Instrument
8
Instrument's Initial Screen
8
Description of Function Keys
9
Key GO/HOLD
9
Key H/H%/H
9
Key MODE/MXMNPK
10
Keys / and
10
Key RCDIN
10
Loz Function
11
AC+DC Function
11
Inrush Current Function (INRUSH)
11
Disabling the Auto Power off Function
11
Setting the Contact Voltage Limit
11
Setting the Rated Voltage in Loop/Ra Measurement
12
Setting Full Scale of Flexible Clamp
12
5 Operating Instructions
13
DC Voltage Measurement
13
AC, AC+DC Voltage Measurement
14
AC, DC, AC+DC Voltage with Low Impedance (Loz)
15
Resistance Measurement and Continuity Test
16
Phase Sequence and Phase Concordance with 1 Terminal
17
Overall Earth Resistance Without RCD Tripping
19
Measurement of Line/Loop Impedance
22
Test on a and AC Rcds
26
DC, AC, AC+DC, INRUSH Current with Clamp Transducers
31
6 Maintenance
35
Battery Replacement
35
Cleaning the Instrument
35
End of Life
35
7 Technical Specifications
36
Technical Characteristics
36
General Characteristics
38
Environmental Conditions for Use
38
Accessories
38
8 Assistance
39
Warranty Conditions
39
9 Theoretical
40
Test on Differential Switches (RCD)
40
Overall Earth Resistance in TT Systems
41
Loop and Calculation of Assumed Short-Circuit Current
42
Voltage and Current Harmonics
43
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HT JUPITER Specifications
General
Brand
HT
Model
JUPITER
Category
Measuring Instruments
Language
English
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