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Al: I built one using "Oxygen Hacker" reference also. Just order the millivolt meter from ALL ELECTRONICS $10 PM-128 ($5 shipping so if you can get a few [dive Buddies] people to go in that want analyzers its cheaper!) Especially, since it sounds like you may have purchased the specific parts to modify a PM-128. To modify a different millivolt meter may (will) require using a different resistor network to get the proper voltage drop and calibration adjustment. It's not that hard, however, since you would have to order something anyway - Stick to the plan and it works! Warning: There was a post a while back stating there was a PM-128A that was different. I have since ordered from ALL ELECTRONICS and asked specifically for the PM-128 and received just that! Good Luck PS: I believe Northeast Scuba sells the CAG250 O2 sensor JDA000@AO*.CO*. --- Alan Fossum <afossum@vi*.co*> wrote: > Hello Everyone, > I decided to take the plunge and build my own O2 > analyzer. The one I > had been using has gone belly up. > Using the parts list from the "Oxygen Hacker" > and a similar list > from Jim Cobb's web page, I ran up to my > neighborhood Radio Shack. To my > surprise I was able to locate > everything...........well almost!!!!!!! > The digital panel meter that is called for is > PM-128 or equivalent. > I believe PM-128 is a part number for a supplier > called All Electronics. > Does anyone know what to right RS part number might > be? They have > several in there catalog and I want to order the > right one. If another > meter can be used, how would it be modified? > Thanks for your help, Al > > > -- > Send mail for the `techdiver' mailing list to > `techdiver@aquanaut.com'. > Send subscribe/unsubscribe requests to > `techdiver-request@aquanaut.com'. > === Kevin E. Harris Life is like a grindstone, Whether it grinds you down or polishes you up depends on what you're made of! Author Unknown _________________________________________________________ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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