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I have the Halcyon cinch system. Adjusted it so that it was perfect underwater. Then I measured the shoulder and waist webbing lengths then removed the cinch system.

Final (I think) iteration of my DIY Nitrox analyzer. I added a flow restrictor which connects to a standard BCD QR connector for more consistent flow rate/readings.

Not much information as of the moment. Apparently the diver has been missing since Monday PM (local time) but the coast guard was only informed Tuesday AM. The diver was part of a group of a locally famous photographer. Dives Tubbataha are usually deep/wall dives and currents can be strong. Here...

Perdix/Petrel

Buy something with a solid reputation for service and user replaceable battery. :wink:

Air is around 13-14 mV. Jitter is taken care of by the running average and the rounding of the % O2 to 1 decimal place.

I'm glad you found it useful! Maybe you can upload your Sketch.

Thanks everyone! I'll be taking apart one soon. I'll report back what I find.

@cerich One more question. Will the Scubapro piston bullet tool work with this reg? Thanks.

Thanks! That was plan C in case I get too lazy making the proper tool. :-D

I have access to that course. :-D

Thanks! The only sticking points are the turret retaining bolt torque and the O-ring stack/piston tool. If I run out of options, I think I'll just do it "by feel" and see what torque I get. I also plan to have the o-ring tool custom machined from Nylon or Delrin. I do have 5 new kits, all with...

Thanks. But I think I asked some time ago and the BP2 is not covered in the service class.

Hello everyone. I am the lucky or unlucky owner of a few BP2 regs which I use on my deco bottles. I stocked up on the kits but I can't seem to find any service manual for it. If none is to be had, I'd settle for torque specs (particularly for the swivel turret retaining bolt) and a clue to where...

Hello everyone. I am the lucky or unlucky owner of a few BP2 regs which I use on my deco bottles. I stocked up on the kits but I can't seem to find any service manual for it. If none is to be had, I'd settle for torque specs (particularly for the swivel turret retaining bolt) and a clue to where...

Not better, but different. Use what the manufacturer specifies, especially for critical dynamic O-rings. I converted a 1st stage for O2 service using Viton 90 O-rings (original spec was fro EPDM 80). Gas delivery was notably not as "smooth" (subjectively) even when IP and cracking pressure were...

It's that d*mn cable. Clean the contacts (both on the computer and the cable) with some isopropyl alcohol, then wiggle it just a little bit. That has always been a problem for me and this always works.

Test the boost converter before using. The ones I got recently had a holding current of 50 milliamperes. You can use another boost converter running on 2 x AA batteries. Consumption is only 25 milliamperes.

Notes on the construction of my DIY Nitrox Analyzer. Pardon my lack of video shooting and editing skills.

Looks promising. The MD62 thermal conductivity sensor is used primarily to measure CO2 levels, but I came across a patent for its use with helium.