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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. J

    CTD Redundancies deleted thread!?

    Could any moderators please let me know why my thread regarding CTD making a lot of people redundant and aiming at retail over trade got deleted? If it’s in the wrong section, please let me know.
  2. J

    Thoughts on CTD prices & redundancies?

    Just wondered what people’s thoughts are on CTD sacking loads of people and going after retail rather than trade customers? I used to pay 20 plus vat for a 10kg grout, they now want 35+! It’s absolutely mental!
  3. Davethefish

    CTD selling out of date adhesives?

    I bought all the materials needed to complete my bathroom in september/october before starting work. as due to covid some delivery times had been quite long. and i had to complete a lot more work prepping as all the walls had to be stripped and re boarded. i've just come to start tiling and...
  4. Mapei UK Marketing

    Mapei Tiling Trade Event - CTD, Denton, Manchester

    Darren will be hosting our #tiling #trade event at CTD Tiles CTD Trade in #Manchester on Tuesday 17th March. There will be an exclusive event only offer on our new Rapid Level CT 3220. RAPID LEVEL CT 3220 - http://bit.ly/RapidLevelCT3220 He will be on hand between 7.30am & 1pm with expert...
  5. Mapei UK Marketing

    Mapei Trade Event - CTD, Carlisle

    Steve will be hosting our tiling trade event at CTD in Carlisle on Friday. He will be there from 7.30am with expert technical support and product advice. He will also have plenty of #Mapei t-shirts and freebies to hand out. Make sure you get there early to avoid disappointment. We look...
  6. Dave

    Ctd Darlington, Tile shop recommended by David Howe Tiling from Tilersforums.com

    Address CTD Tiles Unit F North Road Industrial Estate Darlington United Kingdom DL3 0QR Contact Tel: 01325 483 414 Fax: 01325 463 030 Opening Hours Monday: 8.00am - 5.00pm Tuesday: 8.00am - 5.00pm Wednesday: 8.00am - 5.00pm Thursday: 8.00am - 5.00pm Friday: 8.00am - 5.00pm Saturday: 8.00am -...
  7. Albert

    CTD Newcastle; Tile Shop Recommended by Albert from TilersForums.com

    CTD Newcastle is the only place I use and have done for the past 39 years Darren is the current showroom manager with Ernie Quinn running the place Ernie's background is stone and he knows his stuff. Most of the counter lads are knowledgeable to quite a proficient degree. There is also an...
  8. J

    CTD Colchester; Tile Supplier Recommended by JulianSydney on TilersForums.com

    I've been using the Colchester branch of CTD for over 10 years and find them very helpful and knowledgeable about the produces they sell. Kim is the present manager and has been working there from before my time. 01206 542047
  9. Wishiwasatoptiler

    OX Green Laser CTD Trade Day

    Hi folks not be on for a while, tad busy doing non tiling work, seen an email for one of CTD trdae days, there's an OX Green laser for sale on it, didn't know they made one, are they any good? Cheers for your input D
  10. Mapei UK Marketing

    Mapei Trade Day - CTD, Dundee

    Mapei UK Marketing submitted a new resource: Mapei Trade Day - CTD, Dundee - Expert Advice, Giveaways, Exclusive Trade Day Offers Read more about this resource...
  11. Mapei UK Marketing

    Mapei Trade Day - CTD, Birmingham

    Mapei UK Marketing submitted a new resource: Mapei Trade Day - CTD, Birmingham - Expert Advice, Giveaways, Exclusive Trade Day Offers Read more about this resource...
  12. Mapei UK Marketing

    Mapei Trade Day - CTD, Darlington

    Mapei UK Marketing submitted a new resource: Mapei Trade Day - CTD, Darlington - Special 'event only' product offers, Expert advice, Mapei freebies. Read more about this resource...
  13. Mapei UK Marketing

    Mapei Trade Day - CTD, Newcastle Under Lyme

    Mapei UK Marketing submitted a new resource: Mapei Trade Day - CTD, Newcastle Under Lyme - Special 'event only' product offers, expert advice, Mapei freebies. Read more about this resource...
  14. Mapei UK Marketing

    Mapei Trade Day - CTD, Newcastle Under Lyme

  15. Mapei UK Marketing

    Mapei Trade Day - CTD, Blackpool

    Mapei UK Marketing submitted a new resource: Mapei Trade Day - CTD, Blackpool - Special 'event only' product offers, Expert advice, Mapei freebies. Read more about this resource...
  16. Mapei UK Marketing

    Mapei Trade Day - CTD, Blackpool

  17. Mapei UK Marketing

    Mapei Trade Day - CTD, Portsmouth

    Mapei UK Marketing submitted a new resource: Mapei Trade Day - CTD, Portsmouth - Special 'event only' product offers, Expert advice, Mapei freebies. Read more about this resource...
  18. Mapei UK Marketing

    Mapei Trade Day - CTD, Byker, Newcastle

    Mapei UK Marketing submitted a new resource: Mapei Trade Day - CTD, Byker, Newcastle - Mapei specialists and Product Managers will be on hand to offer expert advice. Read more about this resource...
  19. Mapei UK Marketing

    Mapei Trade Day - CTD, Wimbledon

    Mapei UK Marketing submitted a new resource: Mapei Trade Day - CTD, Wimbledon - Special 'event only' product offers, Expert advice, Mapei freebies. Read more about this resource...
  20. Mapei UK Marketing

    Mapei Trade Day - CTD, Slough

    Mapei UK Marketing submitted a new resource: Mapei Trade Day - CTD, Slough - Special 'event only' product offers, Expert advice, Mapei freebies. Read more about this resource...
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