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MARTINDALE VR2250 Manuals
Manuals and User Guides for MARTINDALE VR2250. We have
1
MARTINDALE VR2250 manual available for free PDF download: User Instruction Manual
MARTINDALE VR2250 User Instruction Manual (131 pages)
MULTIFUNCTION TEST INSTRUMENT
Brand:
MARTINDALE
| Category:
Measuring Instruments
| Size: 1.24 MB
Table of Contents
Table of Contents
2
1 Safety Precautions and Procedures
5
Forwards
5
Preliminary Instruction
5
During Use
6
After Use
6
2 General Description
7
Introduction
7
Functions
7
3 Preparation for Use
8
Initial Control
8
Power Supply
8
Calibration
9
Storage
9
4 Instrument Description
10
Display Description
11
Initial Screen
11
Backlight Function
11
5 Initial Settings
12
How to Adjust the Contrast
12
How to Set Date and Time
12
How to Set the Language
12
Reset
13
6 Safety Test Functions
14
LOWΩ: Continuity Test with 200Ma Test Current
14
Calibrating the Test Leads ("CAL" Mode)
15
Measurement Procedure
17
Results of "AUTO" Mode
17
Results of "RT+" and "RT-" Modes
18
AUTO", RT+", "RT-" Faulty Cases
18
MΩ: Insulation Resistance Measurement with 50V, 100V, 250V, 500V, 1000V Test Voltage
20
Measurement Procedure
20
Results of "MAN" Mode
22
Results of "TMR" Mode
23
MAN" and "TIMER" Mode Faulty Cases
24
RCD: Test on "A" and "AC" Rcds Type
25
Tripping Times for the General and Selective Rcds
27
Measurement Procedure
28
RCD Faulty Cases
33
Loop
38
Calculation and Phase Sequence Indicator
38
High Resolution Impedance Measurement (0.1Mω)
38
LOOP : Measurement of Line Impedance, Fault Loop Impedance, Prospective Short Circuit Current Calculation and Phase Sequence Indicator
38
Measurement Procedure and Results of "P-N" Mode
39
Measurement Procedure and Results of "P-P" Mode
40
Measurement Procedure and Results of "P-PE" Mode
41
Measurement Procedure and Results of " R
43
A " Mode
43
Measurement Procedure and Results of " " Mode
44
LOOP Faulty Cases
45
EARTH: Soil Resistance and Resistivity Measurements
50
Measurement Procedure and Results of "2-W"And "3-W" Mode
51
Measurement Procedure and Results of "Ρ" Mode
52
2-W", "3-W" and "Ρ" Faulty Cases
53
7 Aux: Measurement with External Probes
56
Environmental Parameter and Leakage Current: Real Time Measurement
57
Environmental Parameter and Leakage Current: Recording
59
AUX Basic Setting: RECORDER CONFIG
59
RECORDING: Setting of Typical Configurations
61
8 Analyser
62
Basic Setting: ANALYSER CONFIG
63
Type of Electrical System under Test
63
How to Set the Fundamental Frequency
63
How to Set the Current Range
63
Clamp Type
63
How to Set the Value of the Transformer Voltage Ratio (TV RATIO)
63
How to Enable/Disable the Password
64
Basic Setting: RECORDER CONFIG
65
Analyser Functions
72
VOLTAGE" Function
72
Symbols
72
METER" Mode
73
HARM" Mode
74
WAVE" Mode
75
CURRENT" Function
76
Symbols
76
METER" Mode
77
HARM" Mode
78
WAVE" Mode
79
POWER" Function
80
Symbols
80
METER" Mode
81
WAVE" Mode
82
ENERGY" Function
83
Symbols
83
METER" Mode
84
Measuring Procedures
85
Using the Instrument in a Single Phase System
85
Using the Instrument in a Three Phase System
86
9 Saving Results
87
Saving Safety Test Results
87
Saving Displayed Values of ANALYSER Function
87
10 Recordings
88
Start a Recording
88
Setting Typical Configurations
89
Default Configuration
89
Typical Configurations
90
During a Recording
94
MENU Key
94
Rotary Switch During a Recording
95
Stopping a Recording or an Energy Measurement
95
11 Instrument's Memory
96
Safety Test Memory
96
Analyser Memory
97
12 Connecting the Instrument to a Pc
98
13 Maintenance
99
General Instruction
99
Battery Replacement
99
Instrument Cleaning
99
End of Life
99
14 Technical Specifications
100
Technical Features
100
Safety Test Functions
100
ANALYSER and AUX Functions
102
Standards
103
General
103
Safety Test
103
Analyser
103
Aux
103
General Specifications
104
Mechanical Data
104
Power Supply
104
Display
104
Memory
104
Environment
104
Accessories
105
15 Service
106
Warranty Conditions
106
16 Practical Reports for Electrical Tests
107
Continuity Test on Protective Conductors
107
Insulation Resistance Measurement of the Electrical Installations (250Vdc, 500Vdc, 1000Vdc)
108
Check of the Circuit Separation
112
Earth Resistance Measurement in TT Systems
115
Working Test of Rcds (Rcd, Rcd/DC, Rcd S, Rcd/DC S)
116
Test of RCD Tripping Time (Rcd, Rcd/DC)
117
Measurement of Short-Circuit Fault Impedance
118
Pn , Z
118
Fault Loop Impedance Measurement (Phase - Earth)
118
Earth Resistivity Measurement
119
Voltage Anomalies (Voltage S and Surge)
121
Voltage and Current Harmonics
121
Theory
121
Limit Values for Harmonics
123
Presence of Harmonics: Causes
123
Presence of Harmonics: Consequences
124
Power and Power Factor Definition
124
Conventions on Powers and Power Factors
126
Phase 3 Wire System
127
Measuring Method: Outlines
128
Integration Periods
128
Power Factor Calculations
128
17 Appendix 1 - Messages Displayed
129
18 Appendix 2 - Recordable Parameters: Symbols
130
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