Waterproof connectors with temperature probe
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Waterproof connectors with temperature probe

by davidsh on Thu Jan 10, 2013 2:33 pm

I have several of the waterproof temperature probes (Waterproof DS18B20 Digital temperature sensor + extras -
ID: 381) that I am going to bury in the ground at different depths. I need to extend the cables so I was wondering if the Waterproof Polarized 4-Wire Cable Set would work. My concern is that the sensor is a shielded cable and can I connect the shield to one of the non-shield cable ends on the connector.

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Re: Waterproof connectors with temperature probe

by adafruit_support_bill on Thu Jan 10, 2013 2:59 pm

16" of unshielded cable is not likely to be a problem. How deep do they need to be buried?

Do you need them to be detachable? You will still need to make water-tight splices to the leads on the cable-set. Why not directly to the extension cable?
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Re: Waterproof connectors with temperature probe

by davidsh on Thu Jan 10, 2013 5:27 pm

Thanks so much for the reply. They don't have to be detachable. How would you make the splice waterproof? Do you think some heat shrink would do it?

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Re: Waterproof connectors with temperature probe

by adafruit_support_bill on Thu Jan 10, 2013 5:35 pm

There is adhesive-lined waterproof heat-shrink. http://www.youtube.com/watch?v=cXrJsO0yDbY
If it is going to see rough treatment during burial, you might want to use a couple layers for extra protection.
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