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Power for electronic scales?

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16 June 2003, 01:07
EXPRESS
Power for electronic scales?
I am currently using a little Hornady digital scale after going through a Midway and a Lyman, both of which malfunctioned and had to be returned.

My gripe is that the battery doesn't last very long, and those little 9v batteries are pretty expensive.

There is a port for, I believe a 12v adaptor.
Can I just go out and by an AC12v adaptor or should it come from Hornady?
16 June 2003, 01:17
Bug
If it runs off a 9-volt battery, then it's likely the power supply should be 9-volt. It should state this somewhere on the outside, and probably near the port. But, a converter from Radio Shack will work as well as any other. Just be sure to get the correct voltage and enough amperage (too much amperage is not a problem).
16 June 2003, 01:37
EXPRESS
I know you are right about there being a discrepancy with the voltage...
I don't have it in front of me, but from memory on the booklet it said a 12v adapter is required.

Thanks for the info.
16 June 2003, 02:53
ricciardelli
At Midway:

Product #: 152148
Manufacturer #: 050001
Our Price: $8.96
16 June 2003, 05:27
HenryC470
Lock, Stock, & Barrel

#050001
$8.75
http://www.lockstock.com

H. C.
17 June 2003, 09:51
smallfry
I will have to disagree with bugs comments.
If it is a 9v the adapter may very well be a 12volt as the scale may have dual source adaptation. Secondly, though most adapters of this nature have a i-out measured in mA, it is possible to buy an adapter that of 12 volts that has 3 amps to it. This would not be a good thing for the led and related solid state devices it may have.
17 June 2003, 07:52
Brent Moffitt
I thought the MA rating had to match as well?
18 June 2003, 04:04
RonsGuns
quote:
I thought the MA rating had to match as well?
I also thought MA needed to match up, since most power adapters have the MA rating stated on them. Also you need to make sure of the correct +/- layout on the plug to the scale, positive is usually inside with Negative on the outer part of the plug. Somoen correct me if I am wrong. [Wink]
18 June 2003, 08:50
steve y
I've found using a switched tap at the receptacle handy; it shuts the transformer down between uses.
18 June 2003, 09:20
Bud H
The ma. available needs be equal to or greater than required by the scale. Voltage and polarity must match, or POOF goes the components. [Eek!]
18 June 2003, 11:13
SST
I use the RCBS electronic powder dispenser and scales (made by PACT, I believe). The AC adaptors are different, and the appliances come with a warning to use the proper adaptor or damage could occur.
19 June 2003, 09:34
Jiri
These 12V adaptors are only rectified, not stabilised, so if there is stabilisator inside scales, it could need higher voltage to work properly . . .

Jiri