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MFT1720
User Manuals: Megger MFT1720 Multifunction Tester
Manuals and User Guides for Megger MFT1720 Multifunction Tester. We have
2
Megger MFT1720 Multifunction Tester manuals available for free PDF download: User Manual, Quick Start Manual
Megger MFT1720 User Manual (42 pages)
MFT1700 series Multifunction testers
Brand:
Megger
| Category:
Test Equipment
| Size: 4.73 MB
Table of Contents
Table of Contents
2
Safety Warnings
3
1 Introduction
4
2 Overview
4
Front Panel and Controls
4
Display Symbols
5
Waste Electrical and Electronic Equipment
6
Battery and Fuse Location, Fitting and Replacement
6
3 Operation
7
General Operation - All Models
7
Mode Button Functions
7
Test Inhibit
7
4 Voltage, Frequency, Current and Temperature Measurement
8
Making a Voltage Measurement
8
Frequency Measurement
9
5 Continuity / Resistance Measurement
10
Nulling Test Lead Resistance (up to 9.99Ohms)
10
Making a CONTINUITY Measurement
11
Storing / Downloading Results (MFT1730 Only)
11
Continuity Buzzer ON/OFF
11
Switch Probe (SP5)
11
Buzzer Threshold
12
Measurement Methods and Sources of Error
12
6 Insulation Resistance
12
Making an INSULATION Measurement
12
Insulation Test Lock
13
Measurement Methods and Sources of Error
13
7 Loop Impedance Testing
13
Range Selection and Test Leads
14
Making a Loop Impedance Measurement
15
Phase to Neutral (or Phase to Phase) Testing
19
Prospective Fault Current and Short Circuit Calculation (PFC & PSCC)
20
Zmax Test Mode (MFT1720 and 1730 Only)
20
MAKING a Zmax LOOP IMPEDANCE MEASUREMENT
20
Making an R1+R2 Loop Impedance Measurement
21
Measurement Methods and Sources of Error
22
8 Residual Current Device Testing
22
Making an Rcd Measurement
23
Selecting RCD Type
23
½ X I RCD Current Rating (No-Trip Test)
23
I RCD Current Rating (Tripping Test on 30Ma RCD)
24
I RCD Current Rating (Tripping Test on 30Ma RCD)
25
Ramptest
25
DC Sensitive/Pure DC Rcd Test
26
Type a (DC Sensitive) RCD Test
26
Type B (Pure DC) RCD Test
26
Variable Rcds (Not MFT1710)
27
AUTO RCD Testing
27
Phase RCD Testing
27
Touch Voltage Display
29
Measurement Methods and Sources of Error
29
Useful Information
29
9 Earth Resistance Measurement
29
Connection Terminals
29
Touch Voltage Limit
29
Making a Measurement - Three Terminal Resistance Measurement
30
10 Setup Options
31
11 Warning Messages
31
Startup Warnings
32
Battery
32
Battery Charger
32
Fuse Warning
32
Invalid Rotary Switch Setting
32
Continuity Test
32
Insulation Test
32
RCD Test
32
RCD Range Selection Errors
32
Loop Test
32
Appendix A - Sending, Storing, Deleting and Recalling Test Results
33
Appendix B - Downloading Data Using Bluetooth
35
Appendix C - Installation Category Definitions
36
Appendix D - Safe Working Practice
36
Appendix E - Cleaning and Maintenance
37
Appendix F - Earth Resistance Testing - Basic Principles
37
General Specification
38
Repair and Warranty
41
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Megger MFT1720 Quick Start Manual (8 pages)
Multifunction Tester
Brand:
Megger
| Category:
Test Equipment
| Size: 0.61 MB
Table of Contents
Live Earth Safety Precautions
2
Instrument Overview
3
Display Layout
3
Terminal Panel
4
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