Precision Weighing Balances
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The Sartorius AY123 has been discontinued and no longer in production as of January 2013. The Sartorius AY line was phased-out and replaced with the new Practum 213-1S. The Practum balances are an entirely new cutting edge design offering superior weighing technology over the AY123. The Practum 213-1S is a magnetic force restoration balance offering MUCH Better weighing performance over the AY123. We have no remaining stock on the AY123 and all information displayed herein is for archival and support purposes only.

Beware of anyone trying to sell you the AY123 since the manufacturer warranty has ran out and there are no parts and accessories available from Sartorius. There are plenty of other alternative models available and if you need help give us a call. We just despise seeing some people selling AY123 to people as brand new when you are buying a scale with NO WARRANTY and NO AVAILABLE parts or accessories AVAILABLE FROM SARTORIUS. Don't be hoodwinked stay away from the AY123 and always buy a current production model.

For those people looking for a low cost scale that reads in milligrams be sure to see the EPB-103 , EPB-203 or EPB-303.

Sartorius AY123 [120g x 0.001g] operates AC Adapter ONLY, has a 4 inch diameter weighing pan with round glass draft ring, and the 100 gram calibration mass is included. Built in Arvada, Colorado and backed with a 1-year parts and labor limited factory warranty.

The Sartorius AY123 is a low cost milligram scale since it's weigh cell is built using strain gauge technology. The strain gauge can give you good weighing results for weighing static loads, but can drift much more due to temperature variations caused by excitation energy used with a load cell strain gauge weigh sensor. You'll get better performance, linearity and repeatability with an electromagnetic weigh sensor like those found in the A&D FX-120i or Scientech ZSP150 but this weigh sensor design cost more money. If you don't understand then watch this video HERE demonstrating a magnetic force restoration balance verses strain gauge scale. If you're on a tight budget and your weighing results aren't for a super critical application then the Sartorius AY-123 might be your best choice.

Gun & ammo pros can weighing bullets or arrowhead in increments of 0.02 grain intervals. If you are a ammo reloader checkout this performance testing article at accurateshooter.com before buying the AY123. If you want an idea how much faster you can increase your reloading speed using the Sartoius AY123 verses the GD503 be sure to review www.snipershide.com.

Sartorius AY scales are ideal balances for Industrial, Laboratories, Research, Educational, Specialty Weighing Applications and more. Whether weighing multiple samples with totaled results, formulating a color, counting, percent weighing, specific gravity, or under pan weighing, Sartorius has the answer in AY Series. The new models feature a flip-down protective cover that is removable, stainless steel pan and back-lit display.

Standard Features & Benefits include:

  • Exceptional accuracy and performance
  • Protective flip-down and removable plastic cover for shipping protection and allows stackable storage
  • Integrated 100 gram external calibration weight and below underhook
  • Unique rugged, durable design for all applications
  • Applications include: Counting, Percent Weighing, Totaling, Display Hold, Specific Gravity, Mass unit conversion
  • 14 Mass unit conversions (g, oz, lbs, lbs:oz, dwt, ozt, grains, Newton, carats, Taels HK/Taiwan/Singapore/China, user defined)
  • Optional RS-232 or USB interface kit (field installable)
  • Parts counting with selectable reference sample
  • AC adapter power (battery operation is not available)
  • External "one button" calibration with 3 weight options
  • Lock down capability
  • Large LCD display with back-lit
  • Two year manufacturer warranty
If your budget requires you to spend under $400 then your only choice is a scale designed with strain gauge weighing technology like the AY123 or competitor model Adam HCB123. Strain gauge sensors drift and although the display might increment in one milligram graduations they are not accurate to a milligram. Sartorius states the linearity (as known as accuracy) as ± 0.004 grams. To get away from a strain gauge load cell we recommend the more costly electro-magnetic force weigh cell found in alternative milligram balances like the A&D FX-120i, Scientech ZSP150 or Sartorius Practum 213-1S. Before you buy anything please watch our YouTube video - Strain gauge loadcell vs electromagnetic force restoration.

We have NO remaining stock on the Sartorius AY123 and the manufacturer has discontinued production. The information on this web page is for reference only since again we have no remaining stock on the AY123 and Sartorius has terminated production on the AY123 as of January 2013.

Sartorius AY-123 milligram digital scale

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Brand Model Capacity Readability
Sartorius AY-123 milligram digital scale 120 g 0.001 g
Modes
Add. Features
  • Carats
  • Grains
  • Pounds
  • Ounces
  • Pennyweight
  • Grams
  • Troy Ounces
  • Parts Counting
Comparable Scales

My Weigh Gempro250 diamond scale - $148.90

Ohaus AX223 Internal Calibration - $1445.00

Other Brands EPB-103 Milligram Scale - $234.88

A&D GF-200 Mg Balance - $1039.50

Adam Equipment PGW 153i millgram balance - $933.75

Sartorius ENTRIS323-1S chemical weighing - $667.93

A&D FX-300i milligram balance - $699.99

Sartorius Practum 213-1S milligram balance - $988.00

Sartorius Milligram balance ENTRIS153-1S - $706.75

Sartorius YADAP-USB interface - $70.00

Adam Equipment PGL203 milligram scale - $601.75

A&D FX-120i reloading scales - $659.99

Scientech ZSP150NJ Mg Balance - $1199.00

Other Brands EPB-203 Milligram Science Scale - $299.88

Sartorius Secura 213-1S milligram - $1870.00

Salter Brecknell ESA-150 Precision Balance - $315.00

Sartorius Quintix 213-1S milligram scale - $1432.50

Ohaus Pioneer PA163 Milligram Scale - $818.55

Adam Equipment HCB123 portable milligram scale - $340.00

A&D FX120iN NTEP Class 2 approved scale - $757.50
MSRP: $475.00
YOU PAY $310.00
precision balance
ay series digital milligram balance
SARTORIUS AY-123 MILLIGRAM SCALE M-PROVE SERIES
PWB Discount Price $310.00
As of 2013, Sartorius AY123 has been discontinued by Sartorius and there is no direct replacement in the same price range under the Sartorius brand. The closest to the AY123 would be the Sartorius Practum 213-1S listing for $1150 which is too expensive for most people when you can buy the AND FX-120i, A&D FZ-120i Adam HCB150 or EPB103 for a lot less money. All information displayed herein is for support purposes only.
Capacity x Readability (grams) 120 g x 0.001 g
Capacity x Readability (carats) 600 ct x 0.005 ct
Capacity x Readability (pounds) 0.26470 lb x 0.00002 lb
Capacity x Readability (ounces) 4.23530 oz x 0.00005 oz
Capacity x Readability (troy ounces) 3.86000 ozt x 0.00005 ozt
Capacity x Readability (grains) 1852.70 gn x 0.02 gn
Capacity x Readability (pennyweight) 77.1900 dwt x 0.0005 dwt
Linearity ± 0.004 g
Tare range Tare full capacity
Weigh modes 14 Mass unit conversions (g, oz, lbs, lbs:oz, dwt, ozt, grains, Newton, carats, Taels, user defined)
Application Programs Counting, Percent Weighing, Totaling, Display Hold, Specific Gravity, Mass unit conversion
Operation temperature 50°F -86°F / 10°C-30°C
Stabilization ~ 2.5 seconds
Calibration External Auto calibration user selectable - 20g, 50g, or 100g (100 g calibration mass - INCLUDED)
Data Communication OPTIONAL RS-232 or USB interface available
Dimensions with hinged cover 6.8"W x 3.7"H x 9.8"D
Weighing Platform 3.8" inch (97 mm) diameter pan, stainless steel (reversible)
Draft Ring (Size) 4.75" (120 mm) diameter glass ring / height: 1" (26 mm)
Auto Off (menu select) 2, 5 & 10 minutes
Adaptation to ambient conditions By selection of 1 of 4 optimized filter levels; display update: 0.0 - 0.8 (depends on filter level selected)
Power AC Adapter ONLY
Use of battery NOT AVAILABLE
Below scale weighing Yes
Included Accessories AC Adapter, 100 gram calibration mass, User Manual
Optional Accessories RS232 Interface, USB Interface, Security Lock, Data Printer
Net Weight 3 lbs
Shipping Weight 6 lbs
Warranty 12 months limited manufacturer warranty
Place of Origin U.S.A - Arvada, CO
Sartorius M-Prove  Brochure Digital Scale Download this brochure for a complete overview
Sartorius Scale  User Manual Laboratory scale Instruction Manual for the M-Prove Series
 
 
If your budget is limited and you want an alternative to the AY-123 watch the video above that highlights the general features of the EBP203 milligram scale. We walk you step by step how the calibrate the scale. Learn how you can change the weigh mode from grams to pennyweight and how the scale will power up in the last weigh mode used. The features highlighted in this video are similar for the EPB103 and EP303 except the weighing capacity is 100 grams and 300 grams respectively. This is an affordable milligram scale ideal for the science classroom or hobbyist weighing small samples. Just like the AY123 the EPB milligram scales use a a strain gauge loadcell which allow the price to be so low compared the electromagnetic force restoration.

Sartorius AY123

( select the model & any of the options to the right and then the "BUY HERE" image )
Sartorius ScalesOptions (S&H additional for accessories)
Data Printer with statistics & time-date function $725.00
Specific Gravity Kit $139.95
YADAP-RS RS-232 kit plus cable $80.00
USB Adapter w/ 6ft. Cable $80.00
Locking Device, anti-theft $38.00
Ink Ribbon, fits YDP20-0CE printer $35.00
Paper, pkg of 5 rolls, fits YDP20-0CE $29.00
WinWedge Std Software Wedge for Windows $299.00
YWP06G Weigh Pan w/ 3.25" Diameter and 0.75" depth $25.00
YWP05G Weigh Pan w/ Spout & 3.5" Dia. w/ 1.75" Depth $50.00

   calibration weights mass set traceable weight weights

9 pc. Weight Set (100 g - 1 g.) Class 1 with NVLAP $986.00
1mg-100g 21 Piece Class 1 Weight Set with NVLAP Cert $1664.00
50g Calibration Weight Class 1 with NVLAP (± 0.12 mg) $115.00
100g Calibration Weight Class 1 with NVLAP (± 0.25 mg) $128.00
100g Calibration Weight Class 2 with NVLAP (± 0.50 mg) $119.00
Cal-Paks 100g, 10g, and 20mg Class 1 with NVLAP $304.00
Cal-Paks 100g, 10g, and 200mg Class 1 with NVLAP $304.00
Cal-Paks 100g, 10g, 2g Class 1 with NVLAP $319.00




Gun and ammo reloaders really need to watch the video above that one of our customers put online. See the Sartorius GD503 in action and where professional shooters all over the world are learning to forget those low cost strain gauge scales that don’t work (see this video to see the difference). Watch the reloading of bullets using the Sartorius GD503, Omega Powder Trickler and the RCBS Chargemaster. A kernel of Hogdgon H4350 powder weighs between 0.025 0.030 grains and the Sartorius GD503 increments in 0.005gn. If you are tired of all the headaches using digital scales in the past it is time for you to buy a real balance that can weigh correctly. Give us a call at 978-521-7095 and we will configure the GD503 so the balance works out of the box in grains. If you are buying the AY123 for reloading we really think you should buy the Sartorius GD503.
 

If you are a ammo reloader checkout this performance testing at accurateshooter.com on the GD503.
 

Sartorius Entris64-1S with the Omega 2-Speed Electric Powder Trickler can deliver the results the competitive benchrest needs to reload ammo to the kernel of powder. We use Hogdgon H4350 powder and show how the powder weighs between 0.020 -- 0.030 grains and how easy you can weigh accurate charges to the kernel. To weigh to the kernel of powder you need an analytical balance the weighs to 0.0001 grams. When the Sartorius Entris64-1S weigh mode is configured to grains the balance increments in 0.002 grain divisions. You will not be able to know every bullet is weighed to the kernel of powder with a milligram balance (0.001g) since most milligram balances increment in only 0.02 grains (See this video for proof).
 

In the video above we show ammunition reloaders wanting to weigh powder to a kernel they need to purchase an analytical balance that increments in 0.002 grain divisions/graduations. That is two thousandth of a grain.

Now just because a balance offers readability to 0.002 grain divisions/graduations does not mean it is accurate to ±0.002 grain. Readability is just what the balance's displays resolution. One needs to dig into the manufacturer's specification and look for the word "linearity" which is the accuracy of the balance. Depending on the manufacturer the linearity is ± 2d, 3d or some low cost Chinese made balances it could be 4d or 5d. Using the Sartorius Entris64-1S the linearity is stated as ± 2 divisions. The Entris64-1S increments in 0.002 grain divisions so the linearity is ± 0.004 grains. These manufacturer specs are performed by the manufacturer and done in controlled environments (temperature & humidity controlled, no static electricity issues, no radio frequency interference, perfectly stable air so there are no drafts). You have to have faith the manufacturer is honest in their testing and we have seen over and over again the no name brands stated specs do not correspond to the performance of the balance. Since testing is done in ideal environments you really can't expect the same performance and let's just say if the manufacturer states ±2d with your environment you'll get ±4d.

A kernel of Hodgon H4350 weighs between 0.020 - 0.030 grains per kernel. Each kernel weight varies. So for the Sartorius Entris64-1S I like to say when you have your balance level, balance warmed up for at least 30 minutes, in a stable environment realistically you'll expect to have accuracy to 0.008 grains (0.002gn x 4d = ±0.008gn). Now if you purchased a milligram balance the readability and linearity would be 10 times less of an analytical balance so the best performance you could expect is 0.08 grains. If a kernel weighs between 0.020 - 0.030 grains per kernel there is no way a milligram balance can deliver the consistent weighing results the competition benchrest shooting is looking for which is knowing each round of ammunition has the same amount of powder. Having ammo with an extra kernel or short a kernel will result in the bullet being high or low of the target's bullseye.

The RCBS10-10 mechanical beam scale finest graduation is 0.1 grains. The large poise increments in 10 grain divisions, the cylindrical micrometer poise has graduation to 0.1 grains and uses a gauge that increments in 1 grain divisions. One 360 degree rotation of the micrometer poise yield 1 grain.

If we say the average weight of a kernel of H4350 is 0.025 grains then 4 kernels weigh 0.1 grains, which is the best readability the RCBS 10-10 offers. It is not the accuracy since you are moving parts, friction points and the agate bearing the fulcrum pivots on wears. We'll use the Omega 2 Speed Powder Trickler from Daddy Products available at www.omegapowdertrickler.com and we will dispense one kernel at a time to see how many kernels it takes to move the beam of the 10-10. Now watch closely as I drop one kernel while also looking at the beam pointer. I am going to press the BLACK button on the Omega Trickler and drop 1, 2, 3, 4 5 kernels. You'll notice it takes 4 to 5 kernels to see the beam even move. If you are doing any competition shooting and weighing powder with the 10-10 and other shooters are using an analytical balance you can see you are at a great disadvantage.

Now we will show you how to achieve weighing powder so you know each round is weighed to the kernel.

For many years those competition shooters wanting to weigh powder to the kernel purchased the Sartorius GD503. Once the GD503 were sold out Precision Weighing balances alternative to the GD503 was the AND HR100a and finally in May of 2014 Sartorius re-entered the market with an affordable analytical balance called the Entris Series. The Entris64-1S weighs up to 926 grains & increments in 0.002 grain divisions.

We show in the video above how the Entris64-1S can weigh to the kernel using the Omega 2 Speed Powder Trickler from Dandy Products.
 


Sartorius M-Prove series are ideal balances and scales for Educational, Industrial, Laboratories, Research, Postal, Special Applications and more. The Sartorius AY-123 milligram balance comes with a 120 g capacity and 0.001 g readability. Whether weighing multiple samples with totaled results, formulating a color, counting, percent weighing, specific gravity or under pan weighing, Sartorius has the answer in M-Prove. All models feature a flip-down protective cover for safe transportation and stackability, integrated cal-weights, stainless-steel pan and large back-lit display.

Sartorius owned Acculab and shut down the brand in Dec of 2010. The AY123 by Sartorius is the exact same balance as the the Acculab Vicon 123 except they changed the color of the plastic from gray to white, changed the overlay keypad and changed the display slightly and, of course, raised the price.

Superior Engineering for Better Performance and Durability

The ultra-fast microprocessor gives enhanced weighing performance and exceptional stability. All M-Prove series sensors are robotically manufactured for measurement uniformity and greater durability, and each sensor is computer optimized for maximum performance, providing higher output and unmatched repeatability. These M-Prove milligram balances have incomparable overload protection for years of service in all weighing applications. The display on each scale is a white back-lit display for easy viewing in all ambient weighing conditions.

Unique State of the Art Features

All M-Prove series milligram scales are stackable for convenient, safe storage that saves valuable counter space. They have an integrated weight chamber, which simplifies calibration and the reversible weighing pan allows greater flexibility in weighing samples.

In all there are 13 models of scales (enhanced by two milligram units). The rugged housing is made of ABS plastic with maximum overload protection, and the protective flip-down and removable plastic cover is great for protection of the scale in shipping and stackable storage. The balance comes with integrated external calibration weights on models with capacity of 710 grams and below. Applications include: Counting, Percent Weighing, Totaling, Display Hold, Specific Gravity. The 14 Mass Unit Conversion units of measure include grams, ounces, pounds, pounds:ounce, pennyweight, troy ounces, grains, Newton, carats, Taels HK/Taiwan/Singapore/China, user defined. This M-Prove weighing balance comes with such accessories as optional RS-232 or USB interface kit (field installable),and an AC adapter (or optional 9 volt battery operation excluding milligram models). The external "one button" calibration has 3 weight options. The scale also has lock-down capability, with glass ring, leveling bubble and adjustable feet included on all milligram models
M-Prove Toploader
Round glass draft ring improves scales performance lessening air turbulence under platform. Available in this model and the AY-303 only.
Above are the two versions of the Sartorius M-Prove AY Series. The front scale represents models AY-123 and AY-303. Model AY-212 also has the round pan but does not come with the draft ring. All the other M-Prove AY Series balances come with the square pan as appears on the rear scale.
M-Prove Balance Sartorius M-Prove
Integrated external calibration weights for easy storage. View of the RS-232 and USB cable interface cables and input.
All of the Sartorius M-Prove AY Series scales
are stackable for ease of storage.
AY  Scale
Excellent LCD backlit display with quality buttons. Shown above is the sprint bubble indicator (AY123 and AY303 only models with sprint bubble).
 
Watch video how to configure your Sartorius AY digital scale. We show you how to change the primary weigh mode to a different weigh unit other than the factory default of grams only. The user manual doesn't tell you how to change the primary weigh mode but our video does. Below in the table are the codes needed to change the primary weigh unit.
 
code Weigh Unit   code Weigh Unit
1.7.1 User Defined unit   1.7.9 Singapore taels
1.7.2 Grams   1.7.10 Taiwanese taels
1.7.3 Kilograms   1.7.11 Grains
1.7.4 Carats   1.7.12 Pennyweights
1.7.5 Pounds   1.7.13 Milligrams
1.7.6 Ounces   1.7.15 Chinese taels
1.7.7 Troy ounces   1.7.22 Pound:Ounces
1.7.8 Hong Kong tael   1.7.23 Newtons
 
Watch video how to calibrate you Sartorius AY digital scale. Calibration weights are included on the AY123, AY303, AY212, AY412, AY612, AY511, and AY711. Calibration weights ARE NOT INCLUDED with the AY1501, AY3101, AY5101, AY4000, AY6000, AY10000.
 
Keep those cordless phones, smart phones and other electronic devices that emit radio frequencies since it really can effect the performance of your digital scale.
 
Select from 13 different models to meet your specific weighing needs
Model Cap x Read (g) Pan Size Power Price
AY-123 120 x 0.001 4" diameter AC Only $332.50
AY-303 300 x 0.001 4" diameter AC Only $399.00
AY-212 210 x 0.01 4" diameter AC or 9V battery $224.00
AY-412 410 x 0.01 5.5" x 5.0" AC or 9V battery $315.00
AY-612 610 x 0.01 5.5" x 5.0" AC or 9V battery $399.00
AY-511 510 x 0.1 5.5" x 5.0" AC or 9V battery $143.50
AY-711 710 x 0.1 5.5" x 5.0" AC or 9V battery $182.00
AY-1501 1500 x 0.1 5.5" x 5.0" AC or 9V battery $210.00
AY-3101 3100 x 0.1 5.5" x 5.0" AC or 9V battery $290.50
AY-5101 5100 x 0.1 5.5" x 5.0" AC or 9V battery $343.00
AY-4000 4100 x 1 5.5" x 5.0" AC or 9V battery $150.50
AY-6000 6100 x 1 5.5" x 5.0" AC or 9V battery $182.00
AY-10000 10,100 x 1 5.5" x 5.0" AC or 9V battery $230.00

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