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ctd

For information about the CTD-rosette equipment package as a whole, see: Rosette sampler

A CTD or Sonde is an oceanography instrument used to measure the conductivity, temperature, and pressure of seawater (the D stands for "depth," which is closely related to pressure). The reason to measure conductivity is that it can be used to determine the salinity.
The CTD may be incorporated into an array of Niskin bottles referred to as a carousel or rosette. The sampling bottles close at predefined depths, triggered either manually or by a computer, and the water samples may subsequently be analyzed further for biological and chemical parameters.
The CTD may also be used for the calibration of sensors.

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  1. Dan

    Mapei Trade Day at CTD Congleton

    Dan submitted a new resource: Mapei Trade Day at CTD Congleton - Expert Advice - Demonstrations - Giveaways Read more about this resource...
  2. Dan

    Mapei Trade Day at CTD Blackpool

    Dan submitted a new resource: Mapei Trade Day at CTD Blackpool - Giveaways - On the day promotions - Expert Advice Read more about this resource...
  3. B

    New Store Opened ... CTD BLACKPOOL

    Hi my name is Adam, i am an employee of Ceramic Tile Distributors and im here to offer help and advice to anyone needing it, also anyone needing prices of any tiles and tools and adhesives and screeds just send me a message. mainly lancashire based but can do UK wide direct delivery..Also do all...
  4. macten

    Mapei Mapei flexcolor may be coming to CTD

    Got given a couple of buckets to try and report back. Ready mixed grout that behaves like UC+ without the hassle. I found this product on google a few months back and realised it was not a DIY type crappy grout and it's been about for years in the US. CTD are trialling 3 colours and giving it to...
  5. J

    Ctd Trade Centre Opening Times?

    Do all trade centres open at 7:00am? The main Glasgow brach (Helen street) does but wondering if the smaller branches Like London road do. Can only find the showroom opening times on the website. Cheers
  6. J

    Schluter Freebies

    went into my local ctd today picked up a card from schluter systems offering freebies so have just signed up www.schluterandu.co.uk
  7. Wishiwasatoptiler

    Ctd

    Thought I'd share my bit of luck, called in for some customers tiles etc that I'd ordered for tomorrow's job and Karl the manager had said I'd been drawn to pull a cracker form the Xmas prize draw. So pulled the cracker and I've won a nice bottle of brandy and a large Xmas pudding. granted a...
  8. S

    Ctd Trade Account ?

    Do you have to be trade to order online from here, as when searching for adhesives it says sign in to veiw? Cheers
  9. Dave

    Ctd Deal Of Tbe Day , Monday 23rd November.

  10. Sean Kelly

    Ctd Loyalty Card Points.

    A few months ago my CTD loyalty card was changed from a black card to a yellow card. The other month I checked my points balance online and discovered I had lost all points that were accumulated on my black card. By my records I should have about 4500 points (accumulated over 2 years). I looked...
  11. J

    Deal At Ctd On Bal

    those of you looking for cheap addy got one at ctd today 25 kg bal flexigrey addy only £9.99 plus vat there seams to be a price war on for bal between ctd and topps
  12. Sean Kelly

    Don't forget yr free bag of grout @ CTD when you buy addy.

    Valentines day special.........but offer is only on today FRIDAY 13th!!! Just bought 8 bags of Weber SPF grey @ £15.59 each (each bag has 25% extra free). Buy 2 bags and get a 5k bag of weber grout free. So I got 8 bags of addy and 4 bags of grout for £124.72 Not a bad deal I thought.
  13. Simons70

    Good news from CTD

    NEWS FROM CTD FOR 2015 • CTD Acquires TILE DEPOT - We are delighted to reveal the expansion of the CTD Group which now includes TILE DEPOT. Tile Depot is a tile retailer operating from 19 outlets in London and the South East. We are excited about the acquisition and the integration of the...
  14. A

    Been caught out by CTD (Bristol)?

    Just been out to CTD Bristol. They often bombard us with emails on latest offers, but earlier this week they advertised a "Trade Evening" in Bristol - to be held between 4pm and 8pm tonight. Now I am cynical to marketing allures, but a free bag of adhesive, free BBQ food, prize draw raffles...
  15. Sean Kelly

    CTD online prices for Weber spf white/grey a bit high!!!!

    I'm finding that the CTD website is showing different prices to what they are in store. I need to get a load of stuff tomorrow. Can anyone confirm that in store price is still about £16-£17 for standard set grey/white instead of the £24 and £33 prices on web? I am finding that in general their...
  16. O

    CTD Trade offers

    Would someone kindly put me in the right direction for the latest CTD offers, can't seem to find them.....blind!
  17. S

    Ctd contract insulation boards

    Anybody know if these boards are water resistant or water proof?
  18. S

    Ctd new offers

    Just had the new list through from ctd and they have the rubi du200 L bl with stand for £199 ex vat. Think ill be treating myself to 1 before the tax man has his cut.
  19. S

    Ctd

    Has anyone received the new deals for January on as they normally email it but haven't had anything through
  20. Sean Kelly

    Anyone know if CTD branches are open tomorrow?

    Been ringing Hampton branch for an hour (from 13:00) yesterday, but no answer. Tried website but it does not have xmas opening times. Tried Twitter, but just says Happy Xmas to all customers etc. So does anyone know if they are open tomorrow (Mon)? cheers
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