Precision Weighing Balances
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The Sartorius GD503 has been discontinued and no longer in production as of May 2013. The Sartorius jewelry line was phased-out and at this time there is no direct replacement. We have no remaining stock on the GD503 and all information displayed herein is for archival and support purposes only. For benchrest shooters looking for our reccommendation for an alternative balance to weigh bullets, reloads and brass case we ask you to look at the A&D HR-100A balance.

Looking for a balance that offers 100 gram weighing capacity and reads to 0.0001 grams or 500 carats x 0.001 carats the Sartorius GD503 is awesome. Totally unbelievable value. 500 carat balance readable to 0.001 carats that is Legal for Trade or if you want to weigh in grams 100 grams with readability to 0.0001 grams - YES 4 decimal places in grams. Sartorious GD503 comes with the 100 gram external calibration weight and dust cover at no additional cost.

GD503 balance comes with a 100 gram ASTM class 1 calibration weight, dust cover and RS-232 interface for connection to a computer or optional Sartorius YDP20-OCE printer. Only the Sartorius GD-503 comes standard with these items while competitive models typical charge big money for the calibration weight and a dust cover. Plus the GD503 has a 2 year manufacturer warranty. We dare you to compare and when someone tells you they can offer a similar balance for less give us a call and we'll help you understand what they are trying to sell you. It won't be made in the USA, it won't come with the calibration mass nor dust cover and it won't perform like the GD503 for the price we are selling the GD503.

Sartorius GD-503 is Legal for Trade. Customers told us they needed a high precision jewelry scale they could sell diamonds, precious and semi precious stones at trade shows like the Tucson JCK Gem Show. Some states like Arizona, New York, Florida don't play any games when it comes to weighing - you either have a Certified Class 2 balance to sell gems by weight or you're not selling any gems by weight until you get a Legal for Trade Scale.

When you're buying precious gems and minerals by the gram or carat they must be measured on an ntep scales. Investigators from the Arizona Department of Weights and Measures spend several days every year at the Tucson Gem and Mineral Show, where they checked scales used by dealers who were selling items by weight. At the 2006 Tucson Gem and Mineral Show they confiscated 145 scales that were being used illegally because they did not conform to NTEP standards. Arizona Weights and Measures doesn't fool around and they can impose Civil penalties under section 41-2115 up to $50,000 in some situations. Recently in Albany, New York inspectors from the county's Division of Weights and Measures raided a store for using the wrong scales and the owner faces fines up to $70,000.

At gem & lapidary trade shows you'll probably not be able to sell your gems unless they have a Legal for Trade type approved balance like the GD-503 that can meets the inspector's requirements. The GD503 weighs up to 500 carats weighing capacity with readability to 0.001 carats. In the Legal for Trade mode the GD503 offers a second weigh mode in grams - 100g x 0.0001g. Yes, that is correct the balance increments in in four decimal increment in the gram weigh mode.

A big selling point on the GD-503 in the low profile 5.23 inch high draft shield chamber (height from pan to top of glass door). The two side doors and top door slide open for fast & easy access to the weighing chamber. Jeweler's have limited space in their stores and the small footprint makes the Sartorius GD503 a big selling point.

We believe the GD503 is the best 3 decimal place carat scale on the market for price, performance, features and quality. Those needing to weigh 0.0001 grams we doubt you can find anything comparable. Made in the USA and engineered & designed by the best metrology engineers that Göttingen Germany has at Sartorius' advance weighing technology research lab.

Please scroll down on this we page and there are a ton of information and images to help you decide the Sartorius GD503 is the weigh to go.

Sartorius GD503 Class II Balance

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Brand Model Capacity Readability
Sartorius GD503 Class II Balance 100 g 0.0001 g
Modes
Add. Features
  • Carats
  • Grains
  • Milligrams
  • Pounds
  • Ounces
  • Pennyweight
  • Grams
  • Troy Ounces
  • Legal For Trade
  • RS-232c
Comparable Scales

A&D GH-120 analytical balance - $2644.45

A&D lab balance HR120 - $1809.50

Sartorius cubis analytical MSE124S-000-DU - $4389.00

Sartorius Secura124-1S analytical - $3060.00

A&D HR-100A analytical balance - $1322.10

Sartorius MSU124S-000-DU Balance - $5077.75

Adam Equipment PW184 Analytical Balance - $1531.35

Scientech Zeta ZSA120 Balance - $1524.00

Other Brands Precision Class 2 - 9 Pc Weight Set - $912.00

Other Brands Class 1 Traceable 21 pc Weight Set - $1400.00

Ohaus Adventurer AV114 Scale - $2309.45

A&D HR100AZ 4 Decimal Balance - $1647.80

A&D HR-150A scientific balance - $1412.95

Sartorius Practum 124-1S analytical - $1680.00

Ohaus analytical balance EX124 - $3371.95

Sartorius Quintix 124-1S analytical lab balance - $2550.00

Ohaus PA114 Analytical Balance - $2026.40

Sartorius Cal-pak calibration weight set 100g, 10g, 20mg - $337.00
MSRP: $1995.00
YOU PAY $1429.00
LABORATORY BALANCE



SARTORIUS GD503 CLASS II LEGAL FOR TRADE with 100G Cal Mass
PWB DISCOUNT PRICE
UPS Ground is FREE in the lower 48 states of USA
$1429.00
Purchase the GD503 with a Sartorius YDP20-OCE Printer for $1829 with FREE Shipping via UPS Ground in the lower 48 states of the USA.

GD503 and printer MUST BE purchase at the same time.  The MSRP on the Sartorius YDP20-OCE Printer is $1095.
Capacity x Readability (g) 100 g x 0.0001 g
Capacity x Readability (g) 100 g x 0.0002 g
Capacity x Readability (ct) 500 ct x 0.001 ct
Capacity x Readability (lb) 0.22085 lb x 0.00001 lb
Capacity x Readability (oz) 3.53361 oz x 0.00001 oz
Capacity x Readability (ozt) 3.22074 ozt x 0.00001 ozt
Capacity x Readability (GN) 1545.955 GN x 0.005 GN
Capacity x Readability (dwt) 64.4148 dwt x 0.0001 dwt
Capacity x Readability (mg) 100176.2 mg x 0.2 mg
Legal for Trade
(NTEP approved)
YES - CofC 05-099A1 Legal for Trade in gram & carat mode ONLY
NTEP Capacity x Readability (g) 100 g x 0.001 g
NTEP Capacity x Readability (ct) 500 ct x 0.01 ct
Reproducibility (std deviation)
carats (ct)
grams (g)
 
± 0.001 ct
± 0.0001 g
Linearity
carats (ct)
gram (g)
 
± 0.002 ct
± 0.0002 g
Scale interval d 0.0001 g
Verification scale interval e 0.001 g
Response Time (average) 3 seconds
Tare Range FULL to Capacity
Selectable Weight Units
g, ct, lb, oz, ozt, tlh, tls, tlt, Gn, dwt, mg, parts/lb, tlc, mom, K, tol, bat, and MS.  In LFT mode the the GD503 weighs in Carat & Grams ONLY
Selectable Application Programs Mass unit conversion by toggling, tare memory, net total, weighing in percent, counting, averaging.  Counting function not legal for trade
Display Update 0.1 - 0.4 seconds depended upon filter level selected
Display LCD
Allowable Ambient Operating Temperature 20° C to 35° C (68° F to 95° F)
85% RH or less
Sensitivity Drift
(10° - 30°C/50°F-86°F)
± 2 ppm / °C
External Calibration 100g INCLUDED
Pan Size ø90 mm / 3.5 in
(standard round pan)
Draft Shield Chamber Height
(from pan to top of glass door)
133 mm / 5.23 in
Dimensions (entire balance)
W x D x H
200 x 270 x 233 mm
7.9 x 10.6 x 9.2 in
Built-in RS-232 Interface YES - RS-232 interface is standard but the RS-232 cable is optional
Weighing Below Not Available.  Common applications for weighing below the balance include density determination.
AC Power Source AC Adapter 120 VAC
Power Consumption Approx. 16VA (supplied by AC adapter)
Standard Equipment 120V AC Adapter, Dust Cover, Stainless steel weighing pan, 100g external cal mass
Optional Accessories Printer, RS-232 cable, RS-232 to USB converter kit, Rechargeable external battery pack, WinWedge data transfer software
Warranty 2 years manufacturer's warranty
Net Weight, Approx. 2.8 kg / 6.2 lbs.
Sartorius lab balance Brochure Sartorius lab scale Download the brochure loaded with tons of information.
Sartorious balance User Manual lab scales Download the Instruction Manual for the GD503 loaded with tons of information.

sartorius balance
Sartorius GD503 is ergonomically designed with a sleek look and rounded corners.  Standard bi directional RS-232 interface allows communication to a pc or Sartorius printer
 
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 a digital balance for reloading we really think you should buy the Sartorius GD503.
 
 
pharmacy balance
High resolution with stability and very fast response for operator comfort and efficiency.  The GD503 comes standard with 120V AC Adapter, dust cover & Class F1 external 100 gram cal mass at no additional cost.
 
Sartorius GD503 Legal for Trade Balance

(select any of the options below and then the "BUY HERE" image)

Precision Weighing Balance Special Offer Must be Selected At Time of Purchase!
Product Details
WinWedge
Data Printer

sartorius AGOptions
Data Printer with statistics & time-date function $400.00
5 rolls of paper $25.00
Ink ribbon cassette $35.00
WinWedge Std Software with RS-232 cable $410.00
T-Connector (fits RS-232) $279.00
Remote Display, cable length 3 ft $415.00
RS232 Cable 9 pin and 25 pin, 5 ft, IBM type $80.00
RS-232 to USB converter kit for Sartorius Balances $109.99
220V AC Adapter $40.00
AD-1683 - Static Eliminator $1095.00
YIB01-OUR Ionizing Blower neutralizes static charges $1391.00
YSTP01 Stat Pen neutralizes static electricity on samples $1420.00
Granite Platform with isolators 13 x 15 inch $569.00
Locking Device, anti-theft for GD Series $65.00
Low Cost Aftermarket Universal Specific Gravity Kit $139.95

   calibration weights mass set traceable weight weights

9 pc. Weight Set (100 g - 1 g.) Class 1 with NVLAP $986.00
21 pc. Weight Set (100 g - 1mg) Class 1 with NVLAP $1785.00
100g Calibration Weight Class 1 with NVLAP (± 0.25 mg) $128.00
100g Calibration Weight Class 2 with NVLAP (± 0.50 mg) $119.00
100 g ASTM Class 6 (± 10 mg) cal mass $10.00 - no Cal Cert.
Cal-Paks 100g, 10g, and 200mg Class 1 with NVLAP $304.00
Cal-Paks 100g, 10g, 2g Class 1 with NVLAP $319.00
 
Prescription balance   certified prescription scales
Image taken from the rear of the
GD-503.  Features RS-232 interface.
  Polished stainless steel weighing pan, ring and floor makes cleaning simple.
     
pharmacy oompounding balance   Class A prescription balance
Innovative high-grade draft shield with low profile design resulting in less bench space compared to conventional analytical balances (height from pan to top of glass door is only 5.23 inch).  Draft shield offers 3 sliding doors that slide open quietly and effortlessly.   Leveling the balance with the 2 front adjustable feet is a breeze.  The identification badge is located on the left side of the GD503 Class II NTEP Approved Balance in accordance to National Conference on Weights and Measures.
     
carat balance   Certified gram lab balance
Balance set in LFT mode in carats.  Notice the last digit is "boxed"   Balance set in LFT mode in grams.  Notice the last digit is "boxed"
     
Handbook 44 scale   weighing device
Bottom side of GD503 balance shows the two front adjustable feet and tamper evident sticker across access plate and the balance housing.   When the balance is used in legal metrology (a.k.a NTEP mode) external calibration is blocked by a seal over the access plate.
     
 
calibration sealIn accordance with weights and measures regulation the balance must be sealed to prevent tampering and re-calibration once the balance is placed in service.  To prevent access to the calibration switch a tamper evident seal is placed across the access plate and bottom housing.

The Weights and Measures Inspector will place this seal on the balance once the inspector has tested the balance and places the balance in service as a legal for trade device.
     
Handbook 44 requires the identification badge specify the model number, serial number, "d" - display division, "e" - verification scale interval and the National Type Evaluation Program Certificate of Conformance (NTEP CC)
Balance is set to non-NTEP mode since the least significant digit is not "boxed"
Balance is set to NTEP mode since the least significant digit is "boxed"
sartorius quality balances   sartorius lab equipment
Spectacular packing insures your analytical balance is delivered without damage.   Styrofoam packing surrounds your Sartorius Analytical Balance lessen the chances of any damage due to rough handling by the shipping carrier.  Like we always say - to the shipper like UPS, fragile means football and the Sartorius is designed to handle the delivery.
     
     
legal for trade mode
Easy-to-clean display that is highly resistant to chemicals.  High contrast LCD (height of digits: 13 mm / 0.5")

Keys with positive click action for reliable and confident activation of specific functions.  Keypad holds its shape even after repeated use.  Toggles between two selected weigh units at the touch of a key

Easy-access, all-glass weighing chamber and easy-to-remove and easy-to-clean high-grade stainless steel weighing pan.  Weighing chamber base plate is easy to clean because all parts can be simply removed
 

sartorius scale GD603 balance using usb interface to computer
 
Shown above is the Sartorius GD503 Precision Diamond Scale interfaced with a laptop.
 
"We did not invent the product, but we made it better" is a famous quote from BASF and we feel the same with our new RS-232 to USB converter kit for Sartorius Balances exclusively found at Precision Weighing Balances.  Your Authorized Sartorius Dealer and known throughout the world for deep discount prices.

Our USB to Serial Adapter kit for Sartorius Balances (our part # SARUSB) offers you the best of both world.  If you want to interface the Sartorius Scale with a RS-232 serial port you simply disconnect the 1 foot RS-232 to USB cable.scale usb cable

Eliminate IRQ conflicts by going USB.  Connect your Sartorius balance to any PC running the Windows OS using HyperTerminal or purchase a third party software wedge.  We offer step by step instructions how to use HyperTerminal here.

This kit's only $109.99 and it's custom made for www.balances.com

specific gravity kit
Low cost aftermarket optional specific gravity kit is available for $139.95.  The kit includes all the items shown below. Read more about this product here and how it works.
 
density determination kit
 

Select from 6 different precision Jewelry Scales for your specific weighing
Model

Capacity x Readability

Internal Cal Price
GD503-NTEP 100 g x 0.0001 g NO $1429.00
GD603 121 g x 0.0002 g NO $1429.00
GCA1603P 0 - 160 g x 0.0002 g
160 - 320 g x 0.002 g
YES $2429.95
GCA2502 500 g x 0.001 g YES $2049.95
GK3102

620 g x 0.001 g

YES $1999.99
GW6202

6200 g x 0.01 g

YES $1999.95

sartorius analytical balance
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