analyzer

  1. GrouperFace

    Closed For Sale: AII-4001 Helium Oxygen Trimix Analyzer

    Used Analytical Industries 4001 Helium Oxygen Trimix Analyzer. In good working condition, with some wear on the outside (see photos). Battery replaced in August 2022. O2 sensor replaced in April 2022. Helium sensor was manufactured in September 2016. I spoke to AII: because the helium...
  2. attack33

    Closed Analox O2EII Pro Nitrox Analyzer - $150

    Analox O2EII Pro Nitrox Analyzer. Originally $269 + tax. Barely used. 02 sensor still has plenty of life. It was always kept in dry box. Dry box is included. Free Shipping CONUS. No OCONUS buyers. PayPal preferred. If you don't use friends/family, please assume the cost. Only selling due to...
  3. cklaus

    Closed TekCheck and Nuvair Analyzers That I Don't Know Much About

    I purchased some gear and included were two analyzers I don't know much about. I already have an analyzer I use and like so I'm not trying hard to educate myself on a couple of older units. Instead of storing them or trashing them, I thought I'd list them for anyone who may find one or both...
  4. cklaus

    Closed TekCheck and Nuvair Analyzers That I Don't Know Much About

    I purchased some gear and included were two analyzers I don't know much about. I already have an analyzer I use and like so I'm not trying hard to educate myself on a couple of older units. Instead of storing them or trashing them, I thought I'd list them for anyone who may find one or both...
  5. R

    Semi-DIY O2 and CO analyzer

    I'm convinced of the benefit of analyzing tanks for O2 percentage and presence of CO (carbon monoxide). I was a kickstarter supporter of Cootwo, and still think it was a great concept and form factor. I was unhappy with the lack (and tone) of support from Divenav in the past. On my last dive...
  6. Katie A

    For Sale Analox Analyzer - Sensor 1yr Old

    SOLD!!! Analox nitrox analyzer for sale. Used, but works well. Current sensor & battery are 1 year old. No case. All yours for $120 including First Class Priority shipping with tracking.
  7. The Laconic

    Closed Analox O2 EII analyzer, needs new sensor

    Analox O2 EII analyzer, bought in 2012 and gently- and infrequently-used since then. Has new battery but definitely needs a new sensor (it's never been replaced, and it's currently reading 0.00). This might be a good deal for someone who already has extra sensors, or can get them more cheaply...
  8. E

    Closed: Nuvair Trimix Analyzer

    Trimix Analyzer for sale. 200 plus S/H PayPal or cash is preferred. Please PM with any questions
  9. Pao

    When to discard analyzer O2 sensor?

    I can't seem to find any info on the subject for analyzers, most are recommendation for rebreathers. I am doing a project on an Arduino based O2 analyzer. I would like to know if there is a cutoff voltage value (in air) for the sensor to be considered "bad" and lose its linearity significantly...
  10. tep

    DIY Nitrox analyzer via Hackaday

    Not something that I'd build, but... Arduino Nitrox Analyzer for the Submarine Hacker
  11. O

    O2 Analyzers

    I have always realized tanks at the shop when picking them up but now that I have 10 tanks and one may sit for an entire summer to the spring and I want to get into the habit of testing them again before the dive or at least when packing the car before a weekend of diving. Almost every shop I...
  12. mikeny9

    cootwo O2 sensor replacement and CO calibration

    Hello, My cootwo is telling me I need to replace the sensor and perform a CO calibration. I sent an email regarding this to customer.service@divenav.com 3 days ago but haven't received a response. Can I perform the CO calibration myself somehow? Where do I get replacement sensors? Are there...
  13. JerryR

    For Sale Spring Cleaning - Downsizing - Multiple Items...

    Items For Sale – Spring Cleaning…. As my wife and I move on into our retirement years and envision more traveling, we are selling our current dive gear with the aim to downsize and lighten the load. All of our equipment, while used, has been treated with care and stored properly. All prices...
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