Precision Weighing Balances
Your online source for balances, scales & calibration weights @ discount prices

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Gorgeous 310g x 0.001g milligram balance. GF300 is a top quality high precision milligram balance. Easy to read Vacuum Fluorescent Display (VFD) which lets you read the display from wherever you are working, even in a dimly lit areas it's easy to see. Scroll fully down this web page and you can review all the specifications on the GF300 and learn all about this state of the art weighing machine. The GF300 also can be purchase in a NTEP / Legal for Trade version(GF300N).

A&D Weighing balances equipped with the RS-232 interface can use AND's WinCT data acquisition software data communication software.Other manufacturer's charge you $100's more for either their balance communication software or a third party software but not with the A&D you can download WinCT balance software free.

High performance and quality is shown with a 5 year manufacturer warranty.Review the manufacturer warranty from other manufacturer's and you'll see their warranty is a lot less. Plus if you ever need repair A&D Weighing has two facilities in the USA located in Georgia and California for fast turn around.

To keep cost low A&D designed the GF300 with the short plastic breeze break. Plastic is prone to create static electricity issues so we always recommend you purchase the optional AND GX10 glass breeze break. The GX10 has 3 doors that will allow the operator to place items on the weighing platform for the top, left or right side, while the standard plastic breeze break can only be accessed by lifting off the top cover. The optional GX10 adds over $265 more to the cost of the GF300, but we feel it is money spent wisely.

When the GF300 lab balance is first installed or when it is moved to another location, it should be calibrated to ensure accurate weighing results. We offer a full line of calibration weights including the recommended 300 gram calibration weight for the GF300. Every location in the world is positioned differently to "magnetic north" and therefore the acceleration of gravity is slightly different. In addition, barometric pressure effects the acceleration of gravity depending upon your location's altitude to sea level. This is why the user manual always states to calibrate the balance prior to weighing. Another option is to upgrade to A&D GX400 with motorized internal calibration weight.

The stabilization time of one second is achieved when FAST is selected for the response rate to read a displayed value after a sample is placed on the pan. Other features include: a data memory function to store up to 40 sets of weighing data; Good Laboratory Practice (GLP) data output using the standard RS-232C serial interface; Large bright vacuum fluorescent display which lets you read the display from wherever you are working, even in a dimly lit area; Comparator Indicators displaying the comparison results; Capacity Indicator, displaying the weight value in percentage relative to the weighing capacity; Hold Function, provided for weighing a moving object such as an animal; Underhook, for measuring density and weighing magnetic materials; Density Mode, for calculating the density of a solid; Reference Card, provided for a quick reference to the balance operation; IP54 level dust & splash; Patented Super Hybrid Sensor (SHS)

If you prefer to just buy a milligram balance that comes standard with an all glass draftshield please consider either the Sartorius Practum 313-1S or Quintix 313-1S milligram balance. Plus the Sartorius Practum and Quintix come standard with USB interface while the A&D GF is a serial RS-232 interface and in today's technological age serial RS-232 is a thing of the past.

Are you working in a pharmaceutical lab and need to comply with stringent FDA requirements and must comply with SQmin ? Be sure to review Secura 313-1S since none of the A&D GF models allow you to enable SQmin and additional safety weighing features like the ability to program the minimum weight value so when you attempt to weigh samples below a set threshold the weight reading is displayed on screen in red. Secura is one of the world's most technologically advance weighing instrument we offer and also has built-in level verification, password protection, and memory tracking is also available. The Sartorius Practum, Quintix and Secura all feature a touch screen user interface for easy balance configuration.

We understand purchasing a quality milligram balance is a major capital expense and if you have any questions give us a call and one of our weighing experts can discuss your weighing application and get you the most affordable balance for your weighing needs. Precision Weighing Balances has been selling lab balances online since 1995 and we know balances so well we've been hired by some of the most prestigious law firms in America as an expert witness. Sadly, most of the catalog companies and vendors online have never even turned on a balance and can't answer any questions about how the balance functions.

If price is absolutely the #1 factor in you purchasing a 310 gram balance with 0.001g readability designed with a force restoration magnetic motor then we would recommend you take a look at the AND Weighing FX-300i. or new Sartorius ENTRIS323-1S

Free shipping UPS Ground in the lower 48 states on all AND GF lab balances at www.balances.com

A&D Weighing GF-300 Digital Scale

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Brand Model Capacity Readability
A&D Weighing GF-300 Digital Scale 310 g 0.001 g
Modes
Add. Features
  • Carats
  • Grains
  • Milligrams
  • Pounds
  • Ounces
  • Pennyweight
  • Grams
  • Troy Ounces
  • Parts Counting
  • RS-232c
  • Below Weighing
Comparable Scales

A&D Weighing GX-400 milligram scale - $1871.00

Ohaus AX423/E Milligram Balance - $1530.00

Sartorius MSU323S-100-DE milligram balance - $4977.00

Sartorius Quintix 313-1S balance - $1763.75

Sartorius Quintix 513-1S milligram balance - $2388.50

Sartorius Practum 313-1S milligram balance - $1090.60

Sartorius ENTRIS 423-1S chemistry balance - $1069.30

A&D Weighing FX-500i milligram balance - $909.99

A&D Weighing Weighing FZ-500i Balance - $1299.75

Sartorius Secura 313-1S milligram - $2099.50

Sartorius ENTRIS323-1S chemical weighing - $899.10

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

Other Brands 200 Gram Certified Weight - $230.00

Scientech Digital Balance ZSP350 - $1199.00

Ohaus EX423 electronic lab balance - $2543.20

Other Brands 200g cylindrical mass with NVLAP - $181.00

Ohaus Pioneer PA323 Milligram Balance - $1003.00

A&D Weighing FX700CT Milligram Balance - $999.97

A&D Weighing FX300iWP washdown scale - $1109.21

A&D Weighing FZ300i motorized calibration - $1114.75

A&D Weighing FZ300iWP Internal Calibration Scale - $1434.25

A&D Weighing FX300iN NTEP approved class 2 scale - $813.75
MSRP: $1555.00
YOU PAY $1197.00
AND GF-300 Precision Toploading Balance
Milligram balance

The GF-Series offers all the spectacular features of the GX-Series except the internal motorized calibration feature has been removed.  Therefore, the GF300 milligram lab balance has the same display, features,  ip-65 rating, SHS technology except there is no internal calibration mass

Scale Warranty

ISO 9000 procedures favor the calibration of balances with an external certified calibration mass.  A balance with internal motorized calibration weight is a nice feature, but costly.  Most balances with the internal calibration feature also offer external calibration.  External calibration is vital since it is much more convenient to send out the external calibration mass for recalibration/certification verses the costly fee of having the internal calibration mass removed from the balance and sent out for re-calibration.

In addition, if you own several of the same balances just one external traceable calibration is needed for ISO compliance.

Precision Weighing Balances always recommends that you purchase the calibration mass with any balance you select.  This allows you to calibrate the unit yourself without requiring the services of an outside calibration firm.  Best of all calibration couldn't be simpler.  Connect the AC adapter and warm up the balance with nothing on the weighing pan.  Then simply turn "ON" the balance, allow the balance to go through the power-up routine and then press and hold the "CAL" until "CALout" is displayed.  The display walks you through the cal procedure in less than 1 minute.  The entire cal is controlled by the user-friendly keypad.  The days of opening the balance and tweaking those potentiometers and trim resistors to calibrate a scale are gone with the advent of the digital circuit and EPROM technology first implemented by A&D Engineer's.

Free software
All A&D GF-Series come standard with built-in RS-232c and A&D WinCT balance communication software on CD-Rom to interface your balance with your computer.
Precision Lab Scale

A&D Model: GF-300

Your Cost $1197.00
Free UPS Ground shipping in the lower 48 states of USA
Before you make your final selection be sure to see the new Sartorius ENTRIS323-1S since we have special promotional pricing on the Entris323-1S allowing you to buy it for A LOT LE$$ than the GF300. The AND GF300 is a great milligram balance but people are always calling for available lower cost equivalent and the Entris 323-1S is something you should review.
Weighing Capacity 310 g
Minimum weighing value 0.001 g
Repeatability/Std. Dev. 0.001 g
Linearity ± 0.002 g
Tare Range To capacity by subtraction
Stabilization time (Typical in FAST) Approximately 1 second. Review the test data on response time
Sensitivity Drift 2ppm / C (When automatic self calibration is not used)
Weigh Modes g, oz, lb, lb:oz, ozt, ct, mm, dwt, GN, TL, t, MS, PC, %, and DS
Operating Temperature 5C~40C / 41F~104F RH less than 85%
Sensing Method Super Hybrid Sensor (SHS)
Display Type Vacuum Florescent Display (VFD)
Display Refresh 5 times/s, 10 times/s or automatic (Selectable)
Pan Size
128 x 128 mm / 5 x 5 inches
Counting mode Min unit mass
0.001 g
Number of sample
10, 25, 50 or 100 pieces
Percent mode Min 100% reference mass
0.100 g
Min 100% display
0.01%, 0.1%, 1% (Depends on the reference mass stored)
Breeze Break Dimensions
mm
Internal: 145(W) x 145 (D) x 90(H) mm *
inch
Internal: 5.7(W) x 5.7(D) x 3.6(H) in *
Standard Interface
External calibration weights
(optional accessory)
300g
200g
100g
Calibration
Calibration requires the purchase of one of the masses listed above for the specific model.  The GF Series like many of the other A&D balances offers the ability to select different masses that best meets your weighing application for calibration.  To learn more about the selectable calibration setting click here.  We also offer a large selection of calibration masses here.  If you prefer internal motorized calibration see the GX-Series.
External Dimensions
210(W) x 317(D) x 86(H)
Power (AC Adapter )
100, 120, 220, 240 VAC (AC adapter) 50/60 Hz All balances shipped with 120V AC Adapter. Other voltages add $25.00
Net Weight (Approx.)
3.8 kg / 8.4 lb
Standard Accessories   Manual, AC Adapter, WinCT
Optional Accessories
RS-232C Cable, SW-128 Foot Switch, Density Determination Kit, Cover, All Glass Draft Shield, Printer
Features - click each icons for more information Counting Scales  Piece Counting  Count Scale  Parts Counting 
 Milligram Accuracy  A&D Balances  Electronic Balance  Digital Balance 
 Precision Scales  Laboratory Balances  Digital Electronic Balances  Precision Toploader Balances
A&D Precision Balances  Milligram Balance 
Download the GF Series Instruction Manual (1.94 MB) now Instruction Guide  You need Adobe Acrobat Reader to view.  The instruction manual contains detail information regarding calibration, additional features and keypad functions.

Download the manual for the Density Determination Kit (808KB), Comparator or Analog Output (1.22MB).
** Specifications subject to change without notice
* GF-200/300/400/600/800/1000 come standard with plastic breeze break or can be purchased with optional GX-10 Glass Breeze break

A&D GF Series Toploader Balances
Download the User Manual (2.0 MB)

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


Check here to see the special version of the GF-300P Class II prescription scale denoted as GF-P and other prescription balances.

Options

"N" Version designates NTEP (Legal for Trade) $45.00
Universal Specific Gravity Kit $139.95
GX-13 - Density Determination Kit $595.00
AD-100-2 Digital Scale Anti-theft Device $73.00
USB to 25 pin RS-232 Converter $77.00
GX-02 USB Option (replaces RS232 port with USB port) $150.00
GX-04 Comparator Output $265.00
GX-06 Analog Output $840.00
GX-10 Glass Breeze Break 6.4(W) x 7.7(D) x 8.2(H) inches $275.00
SW:128 - Foot Switch $75.00
AX-073003691-S - In Use Cover $21.00
AD-8121B Multi-Function Printer $850.00
RS-232 to pc (9 pin connector - DB9) $49.00
RS-232 to pc (25 pin connector - DB25) $50.00
AD-1682 Rechargeable Battery Pack $645.00
AD-1683 - Static Eliminator $1195.00
AD-8920 - Universal Remote Display $250.00
AD-8922 - Remote Controller $600.00

   calibration weights mass set traceable weight weights

Optional Calibration weight and weight sets.

300g ASTM Class 2 (± 1.5 mg) with NO Cert $82.00
300g Calibration Weight Class 1 with NVLAP (± 0.75 mg) $237.00
300g Calibration Weight Class 2 with NVLAP (± 1.5 mg) $186.00
200g ASTM Class 2 (± 1.0 mg) with NO Cert $80.00
200g ASTM Class 1 (± 0.50mg) with NVLAP Cert $235.00
100g ASTM Class 2 (± 0.50 mg) with NO Cert $68.00
100g ASTM Class 1 (± 0.25 mg) with NVLAP Cert $139.00
1g-200g 10 piece Class 1 Mass Set with NVLAP Cert $1112.00
9 pc. Weight Set (100 g - 1 g) Class 1 with NVLAP $1042.00
1mg-100g 21 Piece Class 1 Weight Set with NVLAP Cert $1955.00
Cal-Paks 200g, 20g, 200mg Class 1 with NVLAP $355.00
Cal-Paks 200g, 20g, 2g Class 1 with NVLAP $372.00

Note: See our complete line of certified weights and weight sets here
Weighing Pan
YWP06G Weigh Pan 3.25" Dia. x 0.75" depth $25.00

Select from 13 different balances to meet your specific weighing needs
Model

Cap (g) x Read (g)

Price
GF-200

210 x 0.001 g

$1070.00
GF-300

310 x 0.001 g

$1197.00
GF-400

410 x 0.001 g

$1425.00
GF-600 610 x 0.001 g $1910.00
GF-800 810 x 0.001 g
$2094.00
GF-1000 1100 x 0.001 g $2183.00
GF-1200 1210 x 0.01 g $1032.00
GF-2000 2100 x 0.01 g $1070.00
GF-3000 3100g x 0.01g $1197.00
GF-4000 4100 x 0.01 g $1528.00
GF-6000 6100g x 0.1g $1425.00
GF-6100 6100 x 0.01 g $1933.00
GF-8000 8100 x 0.1 g $1671.00

Sartorius Entris Milligram Balance
 
 
Learn more about the AND FX-700CT as we demonstrate the balance and show you all the features this precision milligram weighing instrument offers. Basically the FX-700CT (152g x 0.001g) is the same balance as the HR-150a (152g x 0.0001g) but the FX-700CT displays 1/10 the resolution. If you want to learn more about the HR-a Series this video is well worth watching.
 
Before you make your final decision for purchasing your next milligram balance be sure to see the Sartorius Entris Series. Take your pick either motorized internal calibration with the Sartorius Entris 423i-1S or 623i-1S milligram balances. Want to spend a lot less and willing to give up motorized internal calibration then review these Entris balances that are external calibration only - Sartorius Entris 423-1S or 623-1S. The Sartorius Entris 3 decimal place balances offer a circular draftshield that you load from the top. See the quick settling time as we place calibration weights on the weighing platform.
 
Sartorius Secura Laboratory Balance offer advanced weighing features compliant with the USP minimum sample weight requirements. The balance's display indicates when the minimum sample weight is below the required minimum weight limit.

Secura guarantees high reliability and security in regulated areas for the most common weighing ranges. Quintix is convenience in operation, calibration and data transfer. Even Practum features weighing technology at the highest quality level.
 
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