Forums
New posts
Search forums
What's new
New posts
New media
New media comments
Latest activity
Classifieds
Media
New media
New comments
Search media
Log in
Register
What's New?
Search
Search
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Navigation
Install the app
Install
More Options
Advertise with us
Contact Us
Close Menu
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Forums
The Range
Ammo & Reloading
2nd newbie question about measuring powder
Search titles only
By:
Reply to Thread
This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.
Message
<blockquote data-quote="alank2" data-source="post: 1533545" data-attributes="member: 108"><p>Hi,</p><p></p><p>I usually wipe the inside of power measures with a antistatic dryer sheet and it keeps the static down just nice.</p><p></p><p>Some powders do not measure well through a volumetric type measure. Even so 2 or 3 grains seems excessive.</p><p></p><p>One thing to understand about digital scales is that they will wander. They all do. They are better on battery power than wall power if battery power is an option with them. They have a load cell that drifts up and down. This is why when nothing is on the platen they usually will indicate "zero" or "-0-" on the display. This is their way of telling you they consider the platen empty and whatever the load value drifts to, they will keep accepting it as zero. So, to get them off you you need to add a decent weight all at once such as 0.3 grains or more. This will get them off zero and they will give you a weight of went they went off zero compared to what they see on the load cell with weight on the platen. Here is the thing - the longer you stay off zero, the more than cell can wander and cause your value to have some error in it. So, return to zero between weights. An easy way to see if it is in consistent is to weight the same object again and again. Take it off, let it zero, put it on, take measurement, repeat. I love digital scales because you can do cool things like weigh 5 charges in a row to verify your charge. if I am going for 5.1 and I dump 5 successive charges I will get 5.1, 10.2, 15.3, 20.4, and 25.5. This tells me I have that measure set accurately. Another great thing you can do with a digital scale is post weigh your rounds. You should find them to all be within a certain range, say 207.5 to 209.1 grains. Any outside the range you see as you go along might be worth looking at.</p><p></p><p>Mechanical scales are nice too, but you can't do some of the same things on them. They too can have their inaccuracies because of the way they were machined, etc.</p><p></p><p>Good luck,</p><p></p><p>Alan</p></blockquote><p></p>
[QUOTE="alank2, post: 1533545, member: 108"] Hi, I usually wipe the inside of power measures with a antistatic dryer sheet and it keeps the static down just nice. Some powders do not measure well through a volumetric type measure. Even so 2 or 3 grains seems excessive. One thing to understand about digital scales is that they will wander. They all do. They are better on battery power than wall power if battery power is an option with them. They have a load cell that drifts up and down. This is why when nothing is on the platen they usually will indicate "zero" or "-0-" on the display. This is their way of telling you they consider the platen empty and whatever the load value drifts to, they will keep accepting it as zero. So, to get them off you you need to add a decent weight all at once such as 0.3 grains or more. This will get them off zero and they will give you a weight of went they went off zero compared to what they see on the load cell with weight on the platen. Here is the thing - the longer you stay off zero, the more than cell can wander and cause your value to have some error in it. So, return to zero between weights. An easy way to see if it is in consistent is to weight the same object again and again. Take it off, let it zero, put it on, take measurement, repeat. I love digital scales because you can do cool things like weigh 5 charges in a row to verify your charge. if I am going for 5.1 and I dump 5 successive charges I will get 5.1, 10.2, 15.3, 20.4, and 25.5. This tells me I have that measure set accurately. Another great thing you can do with a digital scale is post weigh your rounds. You should find them to all be within a certain range, say 207.5 to 209.1 grains. Any outside the range you see as you go along might be worth looking at. Mechanical scales are nice too, but you can't do some of the same things on them. They too can have their inaccuracies because of the way they were machined, etc. Good luck, Alan [/QUOTE]
Insert Quotes…
Verification
Post Reply
Forums
The Range
Ammo & Reloading
2nd newbie question about measuring powder
Search titles only
By:
Top
Bottom