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***jradomski*** · 5th June 2006, 18:06

Quote: (Originally Posted by Mark Chase)

Hi all.

Mt HH failed calibration on two brand new cells and i am wondering where I stand on this.

I have three C6 cells three weeks old, and after soaking them overnight in a bag of 02 and doing a bag flushed test I am getting 45mv on two cells and 39mv on the third. Also a cell new in September is giving me 35Mv. The 35 and 39mv cells are not good enough to pass calibration on the Hammerhead.
In air I am getting 9, 10 and 12 Mv on the new cells 9mv obviously being on the cell offering 39mv in ambient pure o2.

So are these failed cells? They cirtainly wont work below 40mv on the HH so why are they OK on the YBOD? Is 45Mv acceptable or are they failed as well?

My old cells are 13months+ old and output 50mv in pure 02 ambient.

ATB

Mark Chase

Mark,

If they are reading 9,10, and 12 and the cells are still linear, you might not be flushing as well as you think..

1) make sure the adv has a flow stop on it and shut when flushing..

2) make sure you insure gas passes through the enite loop.. dont forget the exhale part of the DSV hose to exhale lung..

It does take a bit of practice to get it correct..

5th June 2006, 18:06	#5 (permalink)
*jradomski* Moderator Current Rebreather/s: Inspiration Classic Sport Kiss Optima rEvo Other CCR Home Build Other Rebreather/s: Inspiration Vision Evolution Megalodon Classic Kiss rEvo Other CCR Home Build Join Date: Mar 2005 Location: "Da" Bronx Posts: 3,004	Re: Mv output on new Bud R22 Cells? Quote: (Originally Posted by Mark Chase) Hi all. Mt HH failed calibration on two brand new cells and i am wondering where I stand on this. I have three C6 cells three weeks old, and after soaking them overnight in a bag of 02 and doing a bag flushed test I am getting 45mv on two cells and 39mv on the third. Also a cell new in September is giving me 35Mv. The 35 and 39mv cells are not good enough to pass calibration on the Hammerhead. In air I am getting 9, 10 and 12 Mv on the new cells 9mv obviously being on the cell offering 39mv in ambient pure o2. So are these failed cells? They cirtainly wont work below 40mv on the HH so why are they OK on the YBOD? Is 45Mv acceptable or are they failed as well? My old cells are 13months+ old and output 50mv in pure 02 ambient. ATB Mark Chase Mark, If they are reading 9,10, and 12 and the cells are still linear, you might not be flushing as well as you think.. 1) make sure the adv has a flow stop on it and shut when flushing.. 2) make sure you insure gas passes through the enite loop.. dont forget the exhale part of the DSV hose to exhale lung.. It does take a bit of practice to get it correct.. __________________ Joe Radomski CCR Trimix Instructor Trainer ANDI Instructor Trainer Director #10 All posts are personal opinions and DO NOT reflect any affiliated agency unless specifically stated.
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