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Proscale 555 Proscale 555 The Proscale 555, top view The Proscale 555, bottom view </body> </html>

ProScale 555 Digital Pocket Scale

Tenth gram resolution and four different weighing modes.
555 gram capacity x 0.1 gram resolution

"In A Nutshell"
Power2 CR2032 Batteries (included)
DisplayBlue backlit LCD
Tare FeatureYes
Protective CoverRemovable
Calibration FeatureYes
Count FeatureNo
Platform Size2" x 2"
Scale Size3.5" x 2.25" x 0.75"
Weighing Modes4

Weighing Modes

Mode: GramsCapacity:555.0 gResolution:0.1 g
Mode: OuncesCapacity:19.58 ozResolution:0.01 oz
Mode: PennyweightsCapacity:356.9 dwtResolution:0.1 dwt
Mode: GrainsCapacity:8565 gnResolution:1 gn

Product Details

Bright Backlit Display This digital scale has a fancy blue, backlit display to help ya see your weight readings, even in dim lighting.

Easy Calibration This scale comes factory calibrated and ready to use. Just in case ya need to calibrate it, the 555 comes with easy to follow calibration instructions. You'll just need to pick up a 300 gram calibration weight to get the job done.

The Protective Cover Does Double Duty! This tiny scale's hard protective cover is great for keeping your scale safe when ya aren't using it...and it doubles as a nice expansion tray, increasing the area ya have to weigh your stuff on. Since it has edges, you can weigh all kinds of things that would normally fall right off the platform.

Tare Feature The tare button on the front of this digital jewelry scale can be pressed to "zero out" the weight on the scale. You can then add more weight, and the display will only show the weight of the items you're adding. This sure is useful when ya want to use the cover as an expansion tray to weigh your things, or if ya want to get separate weights of multiple items.

Man, This Thing Is Tiny! You won't have to worry about this scale taking up space. It's just over three inches long, and less than an inch thick! You can take this scale pretty much anywhere ya want...stick it in a pack, purse, or in your shirt pocket.

It Remembers The Last Unit Ya Used If your application needs weights in the same unit of measurement, (like ounces for instance), it can be a real pain if your scale always turns on ready to weigh in grams. It's a good thing the ProScale 555 turns on displaying the unit of measurement you were using when ya turned it off.

Auto-Off Feature If ya have ever had the batteries in something run out because you forgot to turn it off, you'll realize what a blessing this feature is. The 555 will automatically turn off after a few moments of inactivity, saving battery power and money.

2 YEAR MANUFACTURER'S WARRANTY! If ya have a problem with this scale, just send it to ProScale's warranty center in Phoenix, Arizona. They'll fix or replace your scale and send it on its way back to ya within a week of receiving it. You should expect your replacement to arrive in about two to three weeks from the day you send the original off. Keep in mind that sometimes ProScale runs out of stock, which can cause a delay in the warranty replacement process.

Product Questions

Number of questions: 1
Are there photos of the scale in use? I'm thinking of using the scale for grocery store shopping.
Asked by: BDX on December 21, 2019 4:30 PM
No - we don't have any video or photos available on our site of the scale while it's being used.
Answered by: Pati62365 on December 23, 2019 9:45 AM

Product Reviews

Overall Customer Rating:
from 12 customer reviews.
Engineering Lab Supervisor
We are using this scale in engineering lab kits for our undergraduate teaching program. Many of our students are remote, so this was an affordable and accurate option for various hands-on components to the curriculum.
Reviewed by: Sue from East of the Mississippi on 1/28/2021
I bought this to measure resin and it is perfect! I dont need a big one as i don't really do big projects, so i liked that i could that the size of this was great for my little cups. And since the fraction of grams matters a lot when measuring small projects this was able to just what I needed.
Reviewed by: Liz from on 6/23/2020
555 proscale
I have always had great results using any of the products from Old Will Knott's. This is one of the ones I order most and have been very happy with it's performance and especially the price.

Reviewed by: alien1959 from on 11/27/2018
As advertised. Inexpensive. Handy, accurate little food scale. Speedy delivery. Thank you.
Reviewed by: A.J. from Brookfield, WI on 8/23/2017
amazing quality for price
Just what I needed, l make herbal teas and sometimes the recipe calls for just 1/4 an ounce and there is no way to measure it on a bigger scale. Very nice scale! It arrived quickly too. Thanks!
Reviewed by: Ann from Missouri on 1/19/2016
Proscale 555
Great pocket scale. I now have two of them. I keep one in the car and one in my jacket. I use it to count grams and oz. Very accurate for food counting, like measuring 1 oz of french fries and other items where guessing is your only other option.
Reviewed by: John from Lombard, IL on 10/3/2014
Porscale 555
great price, awesome product. I received fast service and no hassles.
Reviewed by: Teresa from St. Joseph, MO on 2/23/2013
Proscale 555
Good little scale for the price. Disappointed in the auto shut off feature. I wish there were a switch to turn it off and on when needed.
Reviewed by: Jon from Denver on 10/29/2012
proscale 555 works great!
I purchased Proscale 555 to have a portable device that fits in my pocket. I weigh my food portions everywhere; that is how I lost 175 pounds (without surgery) and kept it off. The scale is accurate, and the display is visible withthe lid used s a tray for the food. Thank you. Highlyrecommend for traveling, and the scale slips in a pocket so the batteries are not effected by cold weather. Economical, too.
Reviewed by: BETSY K from minneapolis mn on 10/15/2012
Awesome little scale
We purchased this scale the week before our first big trip. My son is almost 2 years old with PKU so everything has to be weighed and measured. This scale was perfect and so accurate! It fits discretely in my diaper bag so now it goes with us where ever we do! Old Will Knott shipped the scale out so quickly, I was so relieved to have it in plenty of time for our trip!
Reviewed by: Marian from Fairbanks, Alaska on 9/11/2012
Great value!
I got the scale to weigh food - am on a diet and don't trust my "judgement"..ha! The 555 is not laboratory grade but for the $$ a darn nice little scale and accurate too! I am an engineer and a stickler for accuracy and have tried to fool the 555 into a false reading and so far it has passed all of my tests. Will definitely come back to Old Will for future needs.
Reviewed by: Jim from Tennessee on 9/5/2012
the gram scale i received is everything you promised and just what i needed. it does a great job and im quite pleased. very well worth the price. thanks.
Reviewed by: frank grana from chicago on 1/14/2012

We know you have a choice when you buy scales online. Just know that when you buy digital scales from Old Will, it's always a "Worry Free Deal".

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