Do you need a damp meter ?

Discussion in 'Motorhome Chat' started by Jaws, Feb 2, 2013.

  1. Jaws

    Jaws Funster Life Member

    Joined:
    Sep 26, 2008
    Messages:
    19,129
    Location:
    Narrfoook
    Ratings:
    +28,469
    • Like it Like it x 1
  2. DP_JAY

    DP_JAY Funster Life Member

    Joined:
    Mar 17, 2010
    Messages:
    1,836
    Location:
    Cark, Cumbria
    Ratings:
    +1,121
    Last edited: Feb 2, 2013
  3. Hayleylulu

    Hayleylulu Banned

    Joined:
    Feb 17, 2008
    Messages:
    5,391
    Location:
    Full timing in the van
    Ratings:
    +3,882
    Iv tried a damp meter on my head and it came up with damp so I don't trust them I also tried it on my underpants and it came up that there was damp there as well :ROFLMAO::ROFLMAO::ROFLMAO:
     
  4. keith

    keith Funster

    Joined:
    Aug 25, 2007
    Messages:
    3,398
    Location:
    Ecclefechan
    Ratings:
    +1,881
    A question then. How can a meter read through the vinal covering when the Vinal is resistant to water? I can understand it being able to read moisture in bear wood but cannot see how it can detect damp through a plastic covering.
     
  5. DP_JAY

    DP_JAY Funster Life Member

    Joined:
    Mar 17, 2010
    Messages:
    1,836
    Location:
    Cark, Cumbria
    Ratings:
    +1,121
    Exactly, the pin type ones can't which is why you need a contactless one.
     
  6. pappajohn

    pappajohn Funster Life Member

    Joined:
    Aug 26, 2007
    Messages:
    31,246
    Location:
    YO11 2BD
    Ratings:
    +23,562
    shouldnt that bethe other way round ?

    the pin type will puncture the vinyl and detect damp in the substructure whereas the contactless type will only show damp on the vinyls surface as it wont contact the substructure
     
    • Like it Like it x 1
  7. jonandshell

    jonandshell Funster

    Joined:
    Dec 12, 2010
    Messages:
    5,407
    Location:
    Norfolk
    Ratings:
    +9,181
    The pin type will get a reading on vinyl covered surfaces if you press hard enough!

    Top tip! Do this in a place that won't be obvious! Around window frames and in corners is where you test anyway!::bigsmile:
     
  8. DP_JAY

    DP_JAY Funster Life Member

    Joined:
    Mar 17, 2010
    Messages:
    1,836
    Location:
    Cark, Cumbria
    Ratings:
    +1,121
    There is a clue in the name, you can get a reading WITHOUT contact!
     
  9. scotjimland

    scotjimland Funster Life Member

    Joined:
    Jul 25, 2007
    Messages:
    29,094
    Location:
    .
    Ratings:
    +28,350
    Last edited: Feb 2, 2013
  10. jonandshell

    jonandshell Funster

    Joined:
    Dec 12, 2010
    Messages:
    5,407
    Location:
    Norfolk
    Ratings:
    +9,181
    Still not sure how a capacitive sensor is going to accurately read through a non-permeable surface Jim!

    We use 'em as deadman switches on our order-pickers. Wear rubber gloves and they barely work!
     
  11. scotjimland

    scotjimland Funster Life Member

    Joined:
    Jul 25, 2007
    Messages:
    29,094
    Location:
    .
    Ratings:
    +28,350
    Hear what your saying.. no personal experience, only going by what I read, perhaps the ones on the trucks are calibrated differently or have a lower field strength ?

    I'm waffling.. now .. I have a Google phd :roflmto:
     
    Last edited: Feb 2, 2013
    • Like it Like it x 1
Loading...

Share This Page