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Ah, ok. We used something similar on a CO tester in Coz last month. My O2 analyzer doesn't have threads, and for $40 - I can just be careful. If I loan my analyzer out, they get a quick reminder about cracking tank first, then applying unit.Here's the BC Flow Restrictor I use: Expedition BC Flow Restrictor with Cap : OxyCheq - DiveOps, Analyzers and Scuba Diving Equipment
Gets you down to 2-4lpm when connected to your low pressure inflator hose. It makes a big difference to an airhog like me...just remember to rehook up your BC before you dive!
Good time to get an Analox.I bought an analox but the shop uses something else that i dont recognize.
Thanks. My sensor lasted for years, but I hardly ever use it and do keep it airtight. Was still testing right, but figured it was high time.Oh, it's VERY important to realize that O2 sensors don't just shut down when they fail. They will begin to voltage limit, and can give erroneous results at the high and low ends. That's one of the reasons it's important to calibrate cells at frequent intervals, and preferably with both air and O2 to be sure of both ends of the spectrum.
If your analyzer is giving you dubious results, check with another unit before you dive the gas, and consider replacing the cell, especially if it is more than six months old.