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Ohaus METRIC Powder Scale Empty Ohaus METRIC Powder Scale

Post by fc60 on Tue Sep 24, 2019 2:20 pm

Greetings,

Anyone out there that owns one of these scales?

It weighs in GRAMS not Grains.

I have a technical question for you.

Cheers,

Dave
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Post by Wobbley on Tue Sep 24, 2019 3:14 pm

Most of these metric scales were high school science lab scales. Built on the same basic design. They were only scaled differently.

I have the RCBS dial o grain which was the dil o gram model re scaled.

https://us.ohaus.com/en-US/Products/Model-Comparison?id=27817

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Post by james r chapman on Tue Sep 24, 2019 3:35 pm

We have several Ohaus  balance beam scales at work. Chemical composition what’s your question?

Nickel or dime bag? Lol
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Post by sharkdoctor on Tue Sep 24, 2019 4:23 pm

Dave,

Perhaps to anticipate your question, 1 gram = 15.432 grains.  Grains are the same in avoirdupois, troy and apothecarie's systems (Merck Index, 9th Ed.).

Hope that helps.

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Post by fc60 on Tue Sep 24, 2019 4:44 pm

Greetings,

An image of the scale I need the part for.

Ohaus METRIC Powder Scale Ohausm11
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Post by Allen Barnett on Tue Sep 24, 2019 4:46 pm

1 OZ equals 28.35 Grams don't ask how I know!

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Post by gregbenner on Tue Sep 24, 2019 6:29 pm

And 12 ounces in a pound😁

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Post by mpolans on Tue Sep 24, 2019 7:10 pm

gregbenner wrote:And 12 ounces in a pound😁
Hopefully everyone know it's really 16oz to a pound and 7,000 grains to a pound.  Getting this wrong could be dangerous.

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Post by willnewton on Wed Sep 25, 2019 4:31 am

After reading some of these posts, I am beginning to wonder how a few of you folks are generating funds to pay for your shooting hobbies. Very Happy
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Post by Virgil Kane on Wed Sep 25, 2019 5:29 am

mpolans wrote:
gregbenner wrote:And 12 ounces in a pound😁
Hopefully everyone know it's really 16oz to a pound and 7,000 grains to a pound.  Getting this wrong could be dangerous.


Unless it's Troy ounces then there's 14.5833 ounces to a pound. And yes, troy ounces are still used in today's world.
Confused yet?

Virgil

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Post by sharkdoctor on Wed Sep 25, 2019 5:53 am

Virgil Kane wrote:
mpolans wrote:
gregbenner wrote:And 12 ounces in a pound😁
Hopefully everyone know it's really 16oz to a pound and 7,000 grains to a pound.  Getting this wrong could be dangerous.


Unless it's Troy ounces then there's 14.5833 ounces to a pound. And yes, troy ounces are still used in today's world.
Confused yet?

Virgil
Uhhh, a Troy pound or an Avoirdupois pound???

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Post by james r chapman on Wed Sep 25, 2019 6:16 am

Imperial, 16 oz to a lb

453.592 Grains per oz (more or less)
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Post by Virgil Kane on Wed Sep 25, 2019 6:24 am

sharkdoctor wrote:
Virgil Kane wrote:
mpolans wrote:
gregbenner wrote:And 12 ounces in a pound😁
Hopefully everyone know it's really 16oz to a pound and 7,000 grains to a pound.  Getting this wrong could be dangerous.


Unless it's Troy ounces then there's 14.5833 ounces to a pound. And yes, troy ounces are still used in today's world.
Confused yet?

Virgil
Uhhh, a Troy pound or an Avoirdupois pound???

A Troy pound is lighter that a Avoirdupois pound (12 oz-16oz)   lol!
All precious metals are weighed in Troy ounces even to this day. 

Virgil

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Post by PhotoEscape on Wed Sep 25, 2019 7:23 am

Dave,
May be this is helpful -
https://www.ebay.com/itm/113881426245
https://www.ebay.com/itm/OHAUS-vintage-precision-reloading-scale-with-ounce-to-grain-conversion-chart/312607441620?hash=item48c8db02d4:g:TdQAAOSwrAtc2Nvn

AP


Last edited by PhotoEscape on Wed Sep 25, 2019 7:28 am; edited 1 time in total (Reason for editing : added info)
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Post by Wobbley on Wed Sep 25, 2019 8:34 am

fc60 wrote:Greetings,

An image of the scale I need the part for.

Ohaus METRIC Powder Scale Ohausm11

That looks like the old Ohaus/RCBS 1010 scale. What part do you need?
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Post by fc60 on Wed Sep 25, 2019 9:30 am

Greetings Wobbley,

The brass accessory weight to enable measuring 500 - 1000 GRAMS.

It is the little item stored inside the Aluminum leveling screw.

Ohaus is no help. They threw away all the drawings and spares long ago.

Cheers,

Dave
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Post by LenV on Wed Sep 25, 2019 10:56 am

I like Troy. Guns should be considered precious metals.

Ohaus METRIC Powder Scale AAuE7mBM4Ehzw36XVlIcyED_Nu92AeiDQc0hZq7JOg=s900-mo-c-c0xffffffff-rj-k-no
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Post by Wobbley on Wed Sep 25, 2019 11:31 am

Dave: On another forum there is a reference to a person that “tunes” these very scales for higher precision. I’ll ask over there for more info.

W.
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Post by Jack H on Wed Sep 25, 2019 12:01 pm

If it helps, my two M5 grain scales have a 260.9 GN actual weight
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Post by jglenn21 on Thu Sep 26, 2019 6:10 pm

Dave

You might try and get in touch with the fellow that sold this unit on ebay..Perhaps he can get you in touch with whoever bought the unit... worth a shot

https://www.ebay.com/itm/Vintage-Ohaus-1010-10-Precision-Metric-Gram-to-Grain-Reloading-Scale-Box-/113878656055?_trksid=p2349526.m4383.l10137.c10&nordt=true&rt=nc&orig_cvip=true#viTabs_0
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Post by Speedy396 on Thu Sep 26, 2019 9:54 pm

I bought one used without knowing they made one in grams. The scale was rigged and calibrated to a homemade pan. The 25 gram weight looks to be original, but cannot say for sure since it is also stamped 50g (wth!). It seems fairly accurate and I’ve checked it with a 50 gram weight. If you’re weighing powder in grains, just save yourself the math headache and get a grain scale.

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Post by jglenn21 on Fri Sep 27, 2019 3:45 am

25 g would be pretty close to what you would need to balance out at 100 g.. it hangs on the long arm of the scale. If you still have the scale shoot dave a pm. He needs to copy the brass weight...
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Post by shaky452 on Fri Sep 27, 2019 2:30 pm

Dave,
    I think you can make your own accessory weight. Zero the balance and add weight to the pan until you have exactly 500 grams. Now set all the poise to zero. Your pointer will be in its uppermost position. Now carefully adjust the accessory weight that you have made until the pointer is at zero. Initially make your weight slightly on the heavy side. Why wont this work?

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Post by fc60 on Sun Sep 29, 2019 4:25 pm

Greetings,

Two snaps and a twist for Speedy396.

With his dimensions I was able to machine an accessory weight for my Ohaus 10.10-10 scale.

Now the scale is complete and ready for action.

Cheers,

Dave
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