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Cable conductor tester with headphone, microphone and amplifier (item no.: 0361)



With this continuity tester, a voice connection can be set up and the lines can be checked for continuity. The test tone can be heard in both headphones.

  • Additional INTERCOM 718 or INTERCOM 708 units can be added to the voice circuit. Each additional INTERCOM is connected in series
  • Whenever a voice connection is established and both test leads touch one and the same conductor, then a test tone will be heard in both headphones.

Specifications
Continuity tester
Continuity tester range: 0 - 150 kΩ
Test voltage: 4,2 V
Test current max.: 2 mA
AF signal range: 0 Hz bis 1 kHz
Able to withstand voltages up to: 50 V AC/DC
Amplifier
Current consumption approx. 10 mA
Frequency range: 100 - 10 kHz
Voice lead resistance max.: 1 kΩ (max.)
Voice lead length for copper 0,6 mm² approx.: 33 km
   

When setting up a voice connection, make sure each voice lead is connected to a voice lead of a different color. The red voice lead of station “A” must be connected with the blue voice lead of station “B” and vice versa.
Put simply: "Always connect red with blau ".
The conductor pair required for the voice connection must be free of voltage and resistance.
Further INTERCOM 718 or INTERCOM 708 units can be added to the voice circuit. Each additional INTERCOM is connected in series. Here, too, connect each voice lead to a voice lead of a different color.
If a voice connection has been set up and conductors are to be checked for continuity, then make sure the test leads of one voice terminal are plugged into the front side of the tester and the test leads of the other voice terminal are plugged into the red voice conductor. (These leads can be plugged into the red 4-mm banana jack).
Whenever a voice connection is established and both test leads touch one and the same conductor, then a test tone will be heard in both headphones.


Skizze Sprechverbindung INTERCOM 718

As usual, no responsibility is taken for the correctness of the details provided. The right is reserved to make technical modifications. For additional information, refer to the PDF document.
In order to view PDF documents, you need the free Adobe Reader, which you can download here. Symbol ADOBE Acrobat Reader

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Elektronic development, sales & manufacture of testing equipment  |  TACO-NAUERT GmbH & Co. KG  |  Autenbachstr. 4  |  D-73035 Göppingen  |  Tel.: +49 (0) 7161 929423

+++ TACO-NAUERT GmbH & Co. KG +++ CONTITEST +++ TALK&TEST +++ Continuity testers with and without auxiliary features +++ Line sorters +++ Line detectors +++ Cable conductor testers with and without a headset +++ Test earphones +++ General-purpose test adapters +++ Accessories for cables +++ Experimental electronics kit for school students +++