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KT62
Kewtech KT62 User Manual
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2 Features
3
Connector
Live circuit LED
Phase switch
Po
larity switch
Continuity null switch
RCD rated tripping
current switch
F
unction switch
Wiring check LED
LCD display
T
est button
LCD display
T
est Lead with IEC Connector
T
est Lead for Continuity
and Insulation T
esting
Fig. 1
4
6
Table of Contents
Default Chapter
2
Table of Contents
2
Contents 1 Safe Testing
3
2 Features
5
3 Specification
8
4 Continuity (Resistance) Tests
11
Instrument Layout
11
Test Procedure
11
5 Insulation Tests
13
The Nature of Insulation Resistance
13
Capacitive Current
13
Conduction Current
14
Surface Leakage Current
14
Total Leakage Current
15
Damage to Voltage Sensitive Equipment
15
Preparation for Measurement
16
Insulation Resistance Measurement
16
6 Loop Impedance Tests
19
Voltage Measurement
19
What Is Earth Fault Loop Impedance
19
Automatic over Temperature Cut out
19
The Loop Impedance Test
19
Loop Impedance at 3 Phase Equipment
21
7 Prospective Short Circuit Current (PSC) Tests
23
What Is Prospective Short Circuit
23
2 Testing Prospective Short Circuit Current
23
8 RCD Tests
25
Purpose of RCD Test
25
What Does the RCD Test Really Do
25
RCD Testing
25
Testing Rcd's Used to Provide Supplementary Protection
26
Testing Time Delayed Rcds
27
Testing DC Sensitive Rcds
27
9 General
28
10 Battery Replacement
28
11 Fuse Replacement
28
12 Servicing
29
13 Case and Strap Assembly
29
4
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Kewtech KT62 Specifications
General
Brand
Kewtech
Model
KT62
Category
Multimeter
Language
English
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