Why I'll only ever buy Teledyne cells ever again

MHD

Since I started using cells about 6 years ago for various purposes I always used teledyne. In that time I only ever had one not reach the life I expected and there was a fair chance I stuffed that one.

Due to recent post by well known people on this board that they are unsuitable for use in Rebreather applications I decided to try another brand.

Well out of the 3 I got to put in Rachel's unit, 1 was dead out of the packet, but fortunately we got another from our local LDS just before We had to leave for the dive that day. In that went. Now when we put them in 2 where right on the edge of low range and one was right on the edge of being put of spec at the top, Hmmm I thought odd. Off we go for a dive, and due to problems our total run time was about 20 minutes with them. All looked fine. One week later Rachel is preparing the unit and one is just in range at the low end, and the other 2 are dead, putting out 5 mV each.

So tomorrow diving is cancelled even with excellent condition forecast

What absolute pieces of crap. There is $500 AUS down the drain as a learning experience. I can tell you unreservedly I wont ever be using that brand again.

Matthew

decoweenie

Sorry to hear about your expensive learning experience...

Have to you tried to talk to the dealer about warranty replacements ? Or refund ?

APD stands behind the cells they sell. And Patrick at Oxycheq will also work with you as well. Those are the only 2 cell sources where I buy mine.

BTW, which brand so others could avoid the same issue ?

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bendomatic

SADave was right, i'm cursed at the moment.

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Steve

Bummer. I have had that happen with every brand of sensor I have used. They are the worst bit of rebreathers.

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TR300

Hi,

I use also only the R22 BUD, for me the best cell, I have also tried some others and had made the same experience.

Holger

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sadave

Sorry Rach, hope I didn't jinx you!

Or maybe I just wanted to make sure no-one else was diving this weekend as I'm stuck at work...

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Rickoz

Well U are all thumbs Matt.
Rickoz

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Stephane

The question still remains unanswered: what is the brand of those crappy cells ????

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Stéphane

Barrie Law

Hi Mathew,

What are the dates on the Cells to confirm when they where manufactured that may shed some light on the issue if they have been sitting on a shelf for a couple of years.

We are keeping a log of all our sensors sales from both Teledyne and Analytical Industries and we will publish the return rates periodically for a true reliability comparison.

Sensors are of course under warranty for 12 months so you can get replacements from your supplier assuming you did not stuff them yourself

A Vision diver here in Dublin has had 3 sensor failures in the past six months all with Teledyne APD 10 Sensors and the feedback I have been getting generally is quite a high failure rate with these sensors with AP putting it at 30% but from the numbers I am hearing about it seems higher than that.

We are getting our sensor stocks as required directly from the Sensor Manufacturers so they are literally made to order and straight of the production line so we have the fastest route to divers units and I am interested to see how much that reduces Sensor failures rates into the future.

We have not had a Sensor returned faulty yet so at least that's a good start and a trend we hope to continue.

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Drmike

to be fair everyone ive ever dealt with sensor wise stands by their warranty with replacements without quible.

Ive had teleydynes fail in exactly the same way (straight out the bag and/or early)

Personally from experience I think all brands of cells are crap and all mnf are as bad as each other.

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