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There's also this other novel idea, where you can take a straight section of webbing similar to your harness, and then thread it through the slits of a couple of weights, and then use a buckle to secure it around your waist. Best thing is most dive operators around the world already have these...

Selling regs? Does not compute. Regs are meant to be collected, not sold.

Horses for courses. I'm not sure why you think designing to avoid supports is more difficult with OpenSCAD. My choice (and challenge) was to create a complete case in a single part, with only the compartment lids separate prints. "more powerful" is subjective, circumstantial, and dependent on...

Most of my Arduino projects get shelved once I prove to myself that I can do them, but couldn't be bothered with the final polish 😂 I'm generally not that great with 3D CAD. I tried a couple, and got reasonably progressed with Blender, but all this design was done with OpenSCAD which suits my...

Using a PSR-11-MD. I actually wanted an MD1, but myocal supplier didn't have any available. The MD1 has a higher output voltage, but both will work fine with the ADS1115 gain. Yes, and I usually have a few spares as they are pretty common with backup torches and AI transmitters. This was a...

Thanks for taking the time to respond. To clarify my intentions, I wish you the best to succeed, and my feedback is simply only my honest opinion of things to improve the perception of these products beyond those that are already familiar with the Scuba Gaskets name.

Thanks @lowwall - makes a bit more sense. So the actual naming is somewhat consistent, but it's the website copy that's either unclear, incorrect, or both. The piston set is listed as "SGS2T2", but the diaphragm set is listed as "SGT3". It should be "SGS3T3". SGS2 - piston 1st stage (or SGS2-D...

I'm not talking about "American English" - I'm Australian. I don't care for that monstrosity of a language you American's call English :p I'm just saying that it'd be good if SG could name their regs with a little more consistency or purpose than the mismatched jumble of letters than they...

The model numbers are also way too confusing. Surely they can find someone with a bit of marketing sense about them? @rsingler is there much difference between the SGS2 2nd stage, which comes with the SGT2 and the STG3 second stage which comes with the STG3 first stage? -1 for naming convention...

Voltage, not current.

Sorta just rolls off the tongue, doesn't it?

A couple more photos: The o2 sensor and battery covers removed. Uses 2xCR123 batteries. I did agonise a while on what batteries to use, and went back and forth between rechargeable lithium, AA, and CR123. Close up of the sensor compartment. Sensor fits snuggly in the round opening, and it...

After being shelved a couple of times, earlier this year I finally got enough enthusiasm and motivation to complete the design and build of my own O2 analyser. In my usual style, it is was more over-engineered than it needs to be, but it certainly got the interest of some of the dive crew on my...

The easiest way to test your analyser is putting a multimeter across the terminals. Depending on the analyser model, in air it should read somewhere between 8mV and 25mV. When it's new, take a reading in air, and that's your benchmark. as the sensor deteriorates, the mV reading will drop...

As pointed out, it's not about the electronics, it's about the plastic case that it's in. It is not designed nor build to withstand the pressure.

I've been diving a drysuit for 20 years and I have more than enough hoses of varying lengths in my dive locker to find the right one. I was merely offering the comparison of the different lengths of hoses that have been supplied from the factory with drysuits I've bought.

I just picked up my new Santi drysuit, and the inflator hose that it came with was only 26" (and that's being generous - including the connector). Haven't used it yet, but that will probably be snug using back mounted twins, and likely too short for a single. Edit: As a comparison, the hose...

Thanks @Kupu, Certainly looks like ScubaPro have made a decent effort at differentiating the balanced and unbalanced versions of the C3x0, making sure that no-one cheaps out on the purchase and upgrades :)

This is the first C-series that I've owned. If there's anything that's unclear from the schematics I can take some photos.

I'm glad at least someone is interested :) Although a bit confused about your comment that AL is king of cross compatibility?