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Thread: New oxygen cells.

  1. #11
    Brent - Narked at 90
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    Re: New oxygen cells.

    We're not sure right now how many other connections we will be doing, I'll update you as soon as possible when we decide.
    As you can imagine, testing and stock will soak up a very large amount of beer tokens.

    Fo JJ, always speak to Dave T.
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  2. #12
    RBW Member Jezzer is an unknown quantity at this point Jezzer's Avatar
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    Re: New oxygen cells.

    This news has made my week, great job boys....http://www.rebreatherworld.com/image...s/devilban.gif

  3. #13
    Brent - Narked at 90
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    Re: New oxygen cells.

    Confidence is key. We have always tried to maintain our reputation for products and service by keeping all design and manufacture in-house, or where that is not possible, by choosing our suppliers very carefully. And that doesnt happen overnight so we are sorry to have kept a lot of you waiting. A good reputation is hard to win, easy to lose.


    Brian (Narked at 90 test pilot) with John Lamb at Eurotek.

    Historically ( about 40yrs) John Lamb has supplied Teledyne Analytical Instruments (TAI) sensors. Over the last 15years or so he has supplied TAI sensors into the recreational diving industry. Over this period he has modified the standard R-22MED sensor into the R-22D. This has involved the addition of hydrophobic membranes , conformal coating to the pcb , and variations in the temperature compensation electronics. Non of the modifications were major changes. When TAI pulled out of recreational diving the need for good reliable sensors for rebreathers remained and he was in a good position to ensure it could be fulfilled. Over the last 35 years he has been approached by all the major oxygen sensor manufacturers and some of the minor ones. Most of them could not meet TAI consistency or quality. For your information there are companies manufacturing galvanic oxygen sensor for niche markets. Some of these companies have a good basic product but do not have the knowledge to manufacture sensors for our market. However one company he has been able to work with for over 10 years and they have manufactured relatively small quantities ( it still adds up to thousands over the years ) of sensors to fit gaps in the TAI range. Historically he has been impressed with the stability, quality and long life. It therefore made sense to approach them and teach them to manufacture a diving sensor. Due to the litigation floating around they are not interested in manufacturing diving sensors. However he persuaded them to manufacture the basic core for him and enclose it in a plastic housing which he specified. John has specified all the changes that he believes are needed to enable this sensor to be used in rebreathers.
    In his historic association with the new company he has seen various manufacturing processes not employed by TAI that can vastly improve the sensors and make them even more re-breather friendly. These have been incorporated and should have three major effects:
    1) less chance of electrolyte leakage.
    2) Tighter output tolerances.
    3) Better stability.

    Warranty-
    There are two main principles that will be applied to all returned sensors.
    The customer is always right. Sensors need to be checked out competently under controlled
    conditions so a replacement is usually given. The right to charge if no fault is found is retained. We
    know historically and universally that failures are less than 1in 5000 during the first 12 months of
    normal use.
    But a customer purchasing one and experiencing a failure has a 100% failure rate.
    Rebreather diving also adds to the potential for a premature failure or apparent failure.
    As a rebreather is a life support system no sensor, returned to us as faulty, is returned to the field.
    The legal implications of a returned sensor failing are too great. It is worth the financial loss of a
    replacement even if no fault is found.
    Copying skips understanding. Understanding is how you grow. You have to understand why something works or why something is how it is. When you copy it, you miss that. WWW.NARKEDAT90.COM
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  4. #14
    RBW Member mik is a jewel in the rough mik is a jewel in the rough mik is a jewel in the rough mik is a jewel in the rough mik is a jewel in the rough mik is a jewel in the rough mik is a jewel in the rough mik is a jewel in the rough mik's Avatar
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    Re: New oxygen cells.

    What rebreathers will these work in and when can we buy them?

  5. #15
    Brent - Narked at 90
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    Re: New oxygen cells.

    Quote Originally Posted by mik  View Original Post
    What rebreathers will these work in and when can we buy them?
    Estimated in stock 9th May. Enough to go round.
    The specifications are on the website buddy.
    Copying skips understanding. Understanding is how you grow. You have to understand why something works or why something is how it is. When you copy it, you miss that. WWW.NARKEDAT90.COM
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  6. #16
    rEvo Shearwater tony13 has a spectacular aura about tony13 has a spectacular aura about tony13 has a spectacular aura about tony13 has a spectacular aura about tony13 has a spectacular aura about tony13's Avatar
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    Re: New oxygen cells.

    Great news. Very impressed with the quality of products coming from Narked. Keep up the good work.

    Will there be a distributor in the states or can we order direct? Do you know an estimate of what shipping would be?

    Cheers,

    Tony

  7. #17
    Brent - Narked at 90
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    Re: New oxygen cells.

    Quote Originally Posted by tony13  View Original Post
    Great news. Very impressed with the quality of products coming from Narked. Keep up the good work.

    Will there be a distributor in the states or can we order direct? Do you know an estimate of what shipping would be?

    Cheers,

    Tony
    To enable warranty tracking and quality, we expect that supply will be direct from us for now. We will be looking into sorting out options for retailers as soon as we can.
    Delivery costs to the US for a set of cells would be between £14.50GBP to £22GBP depending on the courier preference.

    Brent
    Copying skips understanding. Understanding is how you grow. You have to understand why something works or why something is how it is. When you copy it, you miss that. WWW.NARKEDAT90.COM
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  8. #18
    RBW Member EAC is on a distinguished road EAC is on a distinguished road EAC's Avatar
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    Re: New oxygen cells.

    While it is exciting to have a new supplier- i don't see ant test results that would warrant me trusting their use yet.

  9. #19
    John Routley
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    Re: New oxygen cells.

    Quote Originally Posted by EAC  View Original Post
    While it is exciting to have a new supplier- i don't see ant test results that would warrant me trusting their use yet.
    Thats is fine, but what test date would you like to see and what test data from what manufacture would you be comparing it too?
    kind regards john
    you know...life is not about waiting for the storm to pass,
    Its about learning to dance in the rain..

    Supporting Shearwater Research Products in Europe

  10. #20
    RBW Member EAC is on a distinguished road EAC is on a distinguished road EAC's Avatar
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    Re: New oxygen cells.

    Quote Originally Posted by narked at 90  View Original Post
    Thats is fine, but what test date would you like to see and what test data from what manufacture would you be comparing it too?
    kind regards john
    performance graphs of several of the shelf units over time

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