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Multi-Functional E1 Service Tester Meets Various Test Needs

This E1 service tester, model 5855, provides self-check, keyboard testing and measurements such as level measurement, frequency measurement, offset measurement and delay measurement. It offers histogram analysis of alarm and error events and can be used for extensive error and alarm generation, detection and indication.

With the tester, up to 7 user-defined setups and 10 sets of results can be saved or recalled. All test results can be uploaded, saved and printed through TestManagerPro. The tester has a high resolution backlit LCD screen with smart navigation mode displays. It can perform continuously for up to 99 days and its firmware is easily upgraded through an integrated USB interface.

It can also be charged with an automobile battery adapter so that power is guaranteed anytime and anywhere.
Visit for more information or to purchase this product online.
For any sales inquires please contact: 1-877 585-9555 ext. 601 – Toll Free (USA & Canada) 1-416 292-0038 ext. 601 – All Other Areas [email protected]

About GAO Tek Inc. GAO Tek Inc. ( is a global leader in research, development and manufacturing of high performance telecommunication testers, electronic measurement instruments, embedded development tools and other electronic products that serve the needs of electronic professionals internationally.

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