[Cialug] OT: continuity test

[Bryan Baker]

In fact, quick search on Musician's friend yields this:

http://pro-audio.musiciansfriend.com/product/Nady-CT6-6Way-Cable-Tester?sku=338003#new

On Jul 2, 2009, at 3:38 PM, Bryan Baker wrote:

> Oops, I meant 1/4"
> Actually, come to think of it that's the same as a regular TRS cable
> used in a lot of patch bays etc, so there may be existing audio test
> boxes out there (I know for sure there are for Mic Cables). You could
> probably adapt a Mic cable tester by using Female 1/4" TRS->XLR (mic
> cable) adapters
>
>
> On Jul 2, 2009, at 3:33 PM, Bryan Baker wrote:
>> For those a multi meter should be pretty easy to use, just set to
>> continuity, touch one lead to each tip, then each ring then each
>> sleeve.
>>
>> You could also build something w/ 2 1/8" stereo jacks, a battery,  
>> some
>> LEDs and iirc, you'll also need some resistors, to get the LEDs to
>> work, but it should be a pretty easy circuit to just light an LED for
>> each of the conductors if contact is made. I'm just rusty enough, I
>> can't draw you the schematic, but it should be pretty basic.
>>
>>
>> On Jul 2, 2009, at 3:23 PM, David Champion wrote:
>>> For you electronics gurus out there...
>>>
>>> For our SCCA autocross timers, we have a set of cables that go from
>>> the
>>> timer head unit, to a photo sensor head out on the course (similar
>>> to a
>>> garage door safety sensor, bounces a light off a reflector). The
>>> cables
>>> have 3 conductors, we're using a fairly light gauge stranded wire,
>>> probably about like what's in ethernet cable. The connectors are  
>>> 1/4"
>>> stereo headphone jack style (3 connectors). The cables may be up to
>>> about 250 feet in length.
>>>
>>> Occasionally someone will get off course and run over one of the
>>> cables
>>> with their car, and they get some rough treatment at times, may get
>>> kinked, and get dragged around parking lots. I'd like to have some
>>> kind
>>> of way to do a quick cable test on them during setup to help shorten
>>> the
>>> troubleshooting time, so we'd know whether or not it's a cable
>>> issue, or
>>> another issue with the photo sensor.
>>>
>>> Anyone have an idea of a simple device we could build to test the
>>> cables, or would we be better off using a multi-meter, or another
>>> pre-existing device?
>>>
>>> -dc
>>>
>>> _______________________________________________
>>> Cialug mailing list
>>> Cialug at cialug.org
>>> http://cialug.org/mailman/listinfo/cialug
>>
>> --
>> Bryan "ka-klick" Baker
>> Singer/Songwriter
>> ka-klick at ka-klick.com
>> http://ka-klick.com
>> http://twitter.com/ka_klick <-- Twitter Feed
>>
>>
>>
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>
> --
> Bryan "ka-klick" Baker
> Singer/Songwriter
> ka-klick at ka-klick.com
> http://ka-klick.com
> http://twitter.com/ka_klick <-- Twitter Feed
>
>
>
> _______________________________________________
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--
Bryan "ka-klick" Baker
Singer/Songwriter
ka-klick at ka-klick.com
http://ka-klick.com
http://twitter.com/ka_klick <-- Twitter Feed