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"How often are USPS Scales Calibrated-?" Topic

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Joes Shop Supporting Member of TMP08 Nov 2014 8:35 a.m. PST

I charge exact postage for any order shipped outside CONUS.

So, yesterday, I had 3 orders packed and checked at my local PO (1 to Canada and 2 to Europe). All 3 customers paid last night and I'm off to the PO this morning. Nothing was added to any of the packages.

Today, all 3 registered a different weight (increase) and the postage was higher than what I had been quoted yesterday.

Of course, my luck, it wasn't the same clerk and I mentioned the above only to be told, "Gee, that's really strange!" The Clerk showed me the screen and the increased weights were as he stated.

The difference came to a total increase of $4.95 USD between all 3 packages.

Minor, but annoying all the same.

79thPA Supporting Member of TMP08 Nov 2014 9:00 a.m. PST

How do you know that your scale is not off?

tberry740308 Nov 2014 10:06 a.m. PST

He had them checked the day before AT THE POST OFFICE so he could charge the correct postage that day.

After he got paid he went back to the same post office where they weighed different.

Maybe it was a gravitational shift due to the Polar Shift?

Was it the same scale?

Black Cavalier08 Nov 2014 10:21 a.m. PST

I think it was due to the recent massive sunspot.

Winston Smith08 Nov 2014 10:28 a.m. PST

G has been anisotropic lately.

napthyme08 Nov 2014 10:54 a.m. PST

Did you have the customs forms attached after they were weighted? Especially the priority form is enough to change the weight.

jowady08 Nov 2014 11:20 a.m. PST

Of course the second weight could have been taken after they calibrated and perhaps corrected the scales. Still its something that should be brought to the attention of the Postmaster.

Dagwood08 Nov 2014 11:37 a.m. PST

Scale creep !

Mako1108 Nov 2014 11:44 a.m. PST

Probably once, annually, but it is the government (yes, I know they claim to have been spun off, but it's really just for show, since they are still controlled by them, so…).

Joes Shop Supporting Member of TMP08 Nov 2014 12:19 p.m. PST

It was the same scale; it's a small PO with 2 scales.

The customs forms were on the packages when they were weighed on Friday.

I didn't notice any sunspots! LOL!

Zargon08 Nov 2014 12:41 p.m. PST

Fatfingered Slim, same as at the butchers ;) gotta watch where he puts his thumb :)
You have to complain though, taking it on the chin ain't the way.

Joes Shop Supporting Member of TMP08 Nov 2014 1:40 p.m. PST

No choice: clerk from Friday wasn't there, scale showed the 'correct' weight (for today) and the orders had to go out. Filled out a complaint form to go to the Manager but I'm not holding my breath.

Personal logo Mister Tibbles Supporting Member of TMP08 Nov 2014 3:46 p.m. PST

I found a pic of the USPS taking care of your complaint form:


Joes Shop Supporting Member of TMP09 Nov 2014 4:45 a.m. PST

MT: yeah, that's exactly how I pictured it too!

The G Dog Fezian09 Nov 2014 10:43 a.m. PST


Midgetmanifesto09 Nov 2014 10:50 a.m. PST

Humidity increase? Did you open packing material that was shrinkwrapped and weigh shortly afterward? Is it possible that the shipping materials sucked up moisture?

Joes Shop Supporting Member of TMP09 Nov 2014 5:57 p.m. PST

No, cool and dry, in the high 50's both days.

Heisler10 Nov 2014 6:07 a.m. PST

Scales used to determine postage have to be checked and calibrated on an annual basis.

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