Units of Measure in Diving?

[Akimbo]

Questions:

(username) blueeyes_austin:
I noticed you specified "Other" on the poll. Care to elaborate?

(username) damage:
Thus far I see you are the only diver using Pascals. Does your computer support Bars and Pascals or do you have an SPG in Pascals?

 

[Tigerman]

Actually you don't. You measure the amount of UNcompressed air in the tank.

Fine, I can split hairs too..

In the US you measure the ammount of COMPRESSED gas IN the cylinder in cu. ft. when UNCOMPRESSED OUTSIDE OF the cylinder. Once its in that cylinder its compressed wether you split hairs or not..

 

[peterbj7]

We're talking the same language. I just want to make/keep it clear that what is measured in the USA and what is measured elsewhere are NOT the same.

 

[String]

Weather reports tend to list barometric pressure in inches of mercury.

Not outside the USA

QNH is given in millibar.

 

[vladimir]

Questions:

(username) blueeyes_austin:
I noticed you specified "Other" on the poll. Care to elaborate?

Probably metric in the United States; I'm surprised there aren't more "others" in that category.

 

[seacreatures]

I like full and empty Full when I start and empty when I finish, much easier and not a lot of math, just look at the gauge at a quarter of a tank do your accent and safety stop Fill once your on the boat or at the shop.

 

[seacreatures]

We're talking the same language. I just want to make/keep it clear that what is measured in the USA and what is measured elsewhere are NOT the same.

See, full is full in Belize and Full is still full in America

 

[Akimbo]

Probably metric in the United States; I'm surprised there aren't more "others" in that category.

Duh, I should'a thunk of that.

I originally included that option for units like Fathoms, Atmospheres, and ounces.

 

[Thalassamania]

... and furlongs, chains, rods, pecks, bushels, hogsheads, slugs, etc.

 

[GrumpyOldGuy]

Ah, but if you are measuring in cubits, would it be compressed or uncompressed, in the good ole USA or in Belize?

It is rather silly, as divers we measure "pressure" via a gauge and convert it to volume using the appropriate formula... B.F.D. What we are really bitching about are the various methods used specify the size of the tank by the marketing folks and which is "better". Most of those marketing types are idiots, yet they have us running in circles chasing our tails.