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Safety Warnings

3

Introduction

4

Features and Controls

6

Operation

8

Instrument Features

9

Balance Control

9

Velocity Factor

9

Pulse Widths

9

Memory Features

10

Configuration Menu

11

Techniques to Improve Accuracy

13

Care and Maintenance

13

Specification

14

Repair and Warranty

16

MeterCenter

    (800) 230-6008     www.MeterCenter.com

Caution: Refer to accompanying 
notes.

Equipment protected throughout by 
double or reinforced insulation

Instrument flash tested to 3.7kV 
r.m.s. for 1 min.

Equipment complies with current EU 
directives

Symbols used on the instrument are:

Contents

Содержание TDR2000

Страница 1: ...User Guide MEGGER Time Domain Reflectometer MEGGER CFL535E TDR2000 Advanced Test Equipment Rentals www atecorp com 800 404 ATEC 2832 Established 1981...

Страница 2: ...Techniques to Improve Accuracy 13 Care and Maintenance 13 Specification 14 Repair and Warranty 16 MeterCenter 800 230 6008 www MeterCenter com Caution Refer to accompanying notes Equipment protected t...

Страница 3: ...y the manufacturer to reduce the hazard the user must assume responsibility for ensuring his or her own safety The instrument should not be used if any part of it is damaged Test leads probes and croc...

Страница 4: ...will occur the cable appearing endless Open or Short circuits will reflect all the pulse energy and the TDR will not see the cable beyond that fault As a pulse is transmitted down a cable the size an...

Страница 5: ...ransfer of the waveform data to a computer for analysis and storage for future reference Other setting options include changing the distance units between metres and feet changing the propagation velo...

Страница 6: ...e under test When balanced the transmitted pulse can be nulled out and cable features close to the leads can be detected 4 L2 Sockets The sockets are designed to accept the leads supplied with the ins...

Страница 7: ...nt screen to an attached EPSON compatible printer as a screen dump If pressed with the shift key then the instrument will go to computer controlled operation where a computer running the appropriate d...

Страница 8: ...able feature e g an open or closed circuit move the cursor to the very beginning of the reflection To locate the start of the reflection more accurately press the DISPLAY key to zoom in around the cur...

Страница 9: ...ty factors in the HELP pages of the instrument is a rough guide and in practice the settings are subject to many variable factors If the exact length of a piece of cable of the same type as the C U T...

Страница 10: ...the default pulse width can not discern between the user can override the default by entering the CONFIG Options menu Memory Features The TDR2000 has 15 memory locations which can be used to store tra...

Страница 11: ...mines which waveforms will be acquired for display as traces 1 2 Though the MODE key can select between the four basic modes of operation see the introduction the user has more ability to select modes...

Страница 12: ...velocity factor can be displayed as a ratio of pulse speed to the speed of light or as a distance per microsecond This option selects the display type Please refer to the Instrument Feature section fo...

Страница 13: ...the cable from both ends Particularly in the case of open circuit faults the true end of the cable is not visible Thus it is harder to estimate whether the answer obtained is realistic If the measure...

Страница 14: ...electable 50m range 20ns 40ns 60ns 80ns 100ns 100m range 20ns 50ns 800ns 100ns 140ns 200m ranges 20ns 60ns 100ns 140ns 200ns 400m range 40ns 80ns 160ns 200ns 400ns 1km range 80ns 160ns 260ns 500ns 1 s...

Страница 15: ...ed then an additional blocking filter must be used EMC Complies with Electromagnetic Compatibility Specifications Light industrial BS EN50081 1 1992 BS EN50082 1 1992 Mechanical The instrument is desi...

Страница 16: ...oad Valley Forge Corporate Centre Dover 2621 Van Buren Avenue Kent CT17 9EN Norristown PA 19403 England U S A Tel 44 0 1304 502243 Tel 1 610 676 8579 Fax 44 0 1304 207342 Fax 1 610 643 8625 For sales...

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