Length of lead on Temperature and Humidity sensor

Discussion in 'The Projects Forum' started by bowlingo, Mar 2, 2012.

  1. bowlingo

    Thread Starter Member

    Jun 29, 2011
    162
    0
    Hi all,

    I am wondering what length of lead I can put onto a temperature and humidity sensor similar to this http://www.sensirion.com/en/pdf/product ... -SHT1x.pdf I wish to put it into an adaptable box with vent holes in and plug it in via a plug...I am hoping I can go a minimum of 5 metres and possibly up to 10 metres in cable length?

    Thanks
     
  2. BSomer

    Member

    Dec 28, 2011
    433
    106
    In the datasheet you provided it talks about length of wire in section 1.9. Anything less than 10 cm should be problem free. You want to go further than that though. So you will most likely need to use a shielded cable, perhaps a shielded twisted pair. This will help to eliminate any crosstalk.

    I would just follow the guidelines in that section and experiment with it to see how far you can go.
     
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