PRISM sensors

Rich Sawkins · 27th July 2006, 09:33

Well the forums are nagging me because I haven't posted for a while so....

To all my fellow PRISM divers out there, just how long are your O2 sensors lasting ?

I know we are supposed to change them after 100 hours or 1 year which ever comes first but mine are over a year old and don't show any signs of giving up yet. They've been sat in 'air' or higher ever since I got my PRISM and have 45 hours of dive time on them. I even remembered to check on last dive and managed to read 1.6 after a good flush at 6M....

I'm going to get three new ones just in case, but I'm interested to see how long have yours lasted if you've continued to use them until they fell out of range ?

Cheers
Rich

PS I guess you MK boys have very similar ones, so please feel free to chime in.

dive2dive2000 · 27th July 2006, 16:15

Dont have the Rebreather long enough, but I have gotten over 2yrs in my O2 analizers. What are your mv readings? When you start getting low they will drop quick, If your in the 17 range I would not fool around

Bubble Boy · 28th July 2006, 00:49

NFI Rich,

Officially 12 months, but my MK sensors are still going strong and the PRISM ones haven't dipped yet. If you would like a full set let me know as they are sitting on the docks with Aust Customs - so should be delivered early next week.

***sadave*** · 28th July 2006, 01:20

Quote: (Originally Posted by Bubble Boy)

NFI Rich,

Officially 12 months, but my MK sensors are still going strong and the PRISM ones haven't dipped yet.

No surprise Hadwin, considering you don't dive anymore...

By the way, how many dives have you done on the Mk now??? Just curious...

Mike · 28th July 2006, 02:48

Hi Rich
I've swapped one out as it was giving me some dubious readings, and plan to swap another out sometime soon (ie christmas time) to give me a good spread of sensor ages.

Don't think any of the other guys here have swapped theirs yet, and I'd imagine a couple of the units would be well past 100 hours diving by now.

Mike

gkndivebum · 29th July 2006, 02:04

I've put 125+ hours on my in the last 6 months; one sensor's rise time is
lagging a little bit behind the other two, but it's done that since day one and
so far they seem to be humming along nicely.

Cheers -

silent running · 29th July 2006, 18:23

I've gotten as little as 12 months and as many as 20...

gkndivebum · 28th September 2006, 08:16

Ok, an update: the sensor that was lagging a bit on rise-time has finally
croaked (won't read above 0.9), after 180 hours...

Just FWIW - new sensors on the way - hope they get here soon! Not
diving until Friday - wetsuit might actually dry all the way - horrors!

gkndivebum · 11th January 2007, 02:41

Another update, in case anyone is interested. Second sensor replaced at 225 hours. It'll be interesting to see how the long last original lasts...

Not diving until Saturday. Horrors!

**jepuskar** · 11th January 2007, 03:09

In September you ended your post with Horrors, and today you ended your post with horrors. Usually people get out of that kind of groove...know what I mean? HORRORS!!!

27th July 2006, 09:33	#1 (permalink)
Rich Sawkins New Member Current Rebreather/s: Prism Topaz Other Rebreather/s: Join Date: Feb 2005 Location: Sydney, Australia Posts: 74	PRISM sensors Well the forums are nagging me because I haven't posted for a while so.... To all my fellow PRISM divers out there, just how long are your O2 sensors lasting ? I know we are supposed to change them after 100 hours or 1 year which ever comes first but mine are over a year old and don't show any signs of giving up yet. They've been sat in 'air' or higher ever since I got my PRISM and have 45 hours of dive time on them. I even remembered to check on last dive and managed to read 1.6 after a good flush at 6M.... I'm going to get three new ones just in case, but I'm interested to see how long have yours lasted if you've continued to use them until they fell out of range ? Cheers Rich PS I guess you MK boys have very similar ones, so please feel free to chime in.
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27th July 2006, 16:15	#2 (permalink)
dive2dive2000 PRISM DIVER & LUVIN IT! Current Rebreather/s: Prism Topaz Other Rebreather/s: Join Date: Feb 2005 Location: Long Island, NY Posts: 788	Re: PRISM sensors Dont have the Rebreather long enough, but I have gotten over 2yrs in my O2 analizers. What are your mv readings? When you start getting low they will drop quick, If your in the 17 range I would not fool around __________________ Safe Diving, Martin "but what's the fun of getting what you need, instead of what you want?"
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28th July 2006, 00:49	#3 (permalink)
Bubble Boy PRISMs are kewl Current Rebreather/s: Prism Topaz MK 15.X Other CCR Dolphin Ray Other Rebreather/s: Other CCR Dolphin Ray Join Date: Mar 2005 Location: Sydney Australia Posts: 132	Re: PRISM sensors NFI Rich, Officially 12 months, but my MK sensors are still going strong and the PRISM ones haven't dipped yet. If you would like a full set let me know as they are sitting on the docks with Aust Customs - so should be delivered early next week.
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28th July 2006, 01:20	#4 (permalink)
*sadave* Moderator Current Rebreather/s: Sport Kiss Other Rebreather/s: Not Bought Yet Sport Kiss Classic Kiss Join Date: Jun 2005 Location: Brisbane, Queensland Posts: 1,030	Re: PRISM sensors Quote: (Originally Posted by Bubble Boy) NFI Rich, Officially 12 months, but my MK sensors are still going strong and the PRISM ones haven't dipped yet. No surprise Hadwin, considering you don't dive anymore... By the way, how many dives have you done on the Mk now??? Just curious... __________________ Wave!
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28th July 2006, 02:48	#5 (permalink)
Mike Prism 'prentice Current Rebreather/s: Prism Topaz Other Rebreather/s: Inspiration Classic Evolution Join Date: Feb 2005 Location: Melbourne Posts: 327	Re: PRISM sensors Hi Rich I've swapped one out as it was giving me some dubious readings, and plan to swap another out sometime soon (ie christmas time) to give me a good spread of sensor ages. Don't think any of the other guys here have swapped theirs yet, and I'd imagine a couple of the units would be well past 100 hours diving by now. Mike __________________ Open ....... Closed Mind ........ Loop
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29th July 2006, 02:04	#6 (permalink)
gkndivebum PRISM diver Current Rebreather/s: Prism Topaz Other Rebreather/s: Join Date: Feb 2005 Location: Kona, HI Posts: 62	Re: PRISM sensors I've put 125+ hours on my in the last 6 months; one sensor's rise time is lagging a little bit behind the other two, but it's done that since day one and so far they seem to be humming along nicely. Cheers - __________________ Best regards - gkn -- Gerard K. Newman - Kona, HI
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29th July 2006, 18:23	#7 (permalink)
silent running Mature mouth breather Current Rebreather/s: Prism Topaz Other Rebreather/s: Join Date: Jun 2005 Location: U.S.A. Brooklyn, New York Posts: 1,813	Re: PRISM sensors I've gotten as little as 12 months and as many as 20...
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28th September 2006, 08:16	#8 (permalink)
gkndivebum PRISM diver Current Rebreather/s: Prism Topaz Other Rebreather/s: Join Date: Feb 2005 Location: Kona, HI Posts: 62	Re: PRISM sensors Ok, an update: the sensor that was lagging a bit on rise-time has finally croaked (won't read above 0.9), after 180 hours... Just FWIW - new sensors on the way - hope they get here soon! Not diving until Friday - wetsuit might actually dry all the way - horrors! __________________ Best regards - gkn -- Gerard K. Newman - Kona, HI
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11th January 2007, 02:41	#9 (permalink)
gkndivebum PRISM diver Current Rebreather/s: Prism Topaz Other Rebreather/s: Join Date: Feb 2005 Location: Kona, HI Posts: 62	Re: PRISM sensors Another update, in case anyone is interested. Second sensor replaced at 225 hours. It'll be interesting to see how the long last original lasts... Not diving until Saturday. Horrors! __________________ Best regards - gkn -- Gerard K. Newman - Kona, HI
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11th January 2007, 03:09	#10 (permalink)
jepuskar NA Current Rebreather/s: Not Bought Yet Other Rebreather/s: Not Bought Yet Join Date: Aug 2005 Location: Chicago, IL Posts: 396	Re: PRISM sensors In September you ended your post with Horrors, and today you ended your post with horrors. Usually people get out of that kind of groove...know what I mean? HORRORS!!!
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