Precision Weighing Balances
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Gorgeous 310g x 0.001g high precision balance.  The GF-300 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 GF-300 and learn all about this state of the art weighing machine.   The GF-300 also can be purchase in a NTEP / Legal for Trade version(GF-300N) for an additional $80 by selecting the this option in the options section towards the bottom of this web page - "N" Version designates NTEP (Legal for Trade), but again this is an additional $80 option.

Many people call us looking for the absolute best value Precision Weighing Balances can offer in a milligram balance and the answer again and again is the Sartorius GC2502.  These customers are not looking for the lowest priced milligram balance, but instead how can they get the most balance for their money relative to the specifications each balance offers.  We believe the value is unmatchable in the GC2502 since you get lightening fast weighing results, 500 grams weighing capacity with 1 milligram readability, high quality 3 door removable draftsheild, included 200 gram external calibration mass and all topped off with a 3 year limited manufacturer warranty.  You can read more about the Sartorius GC2502 HERE.

Another great value you should review especially if you need an NTEP Approved Class II balance is the Mettler Toledo JL1503-C/A03 featuring an ALL GLASS draft shield and weighing 302 grams weighing capacity and 1 milligram resolution.  The Mettler-Toledo JL1503-C/A03 includes the 200 gram calibration mass for external calibration at no additional cost, while it is an option on the GF-300.  Read more about the Mettler HERE.

If price is absolutely the #1 factor in you purchasing a 200 gram balance with 0.001g readability designed with a force restoration magnetic motor then we would recommend you take a look at the Acculab ALC-320.3 Milligram Balance here.

A&D GF-300 Digital Scale

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Brand Model Capacity Readability
A&D 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
Comparable Scales

A&D GX-400 Milligram Scale - $1597.75

Ohaus AV313 Formulation Scale - $1188.90

Sartorius TE313S-DS Milligram Scale - $1237.50

Acculab ALC-320.3 Milligram Balan - $717.14

Sartorius GK2202 Gem Balance - $1499.84

Sartorius GCA2502 Milligram Balance - $1499.95

Mettler Toledo JL1503-CA03 Carat Scale - $1157.72

Sartorius ED323S Chemical Balance - $1057.50

Scientech ZSP350 College Balance - $1016.00

Mettler Toledo JB1203-CA-F Carat Scale - $1399.72
MSRP: $1350.00
YOU PAY $1039.50
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 $1039.50
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 5°C~40°C / 41°F~104°F 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 cost substantially more money.

Options

Universal Specific Gravity Kit $139.95
GX-13 - Density Determination Kit $450.00
Lock Down Device $38.00
RS-232 to USB converter kit for A&D Weighing Balances $99.95
"N" Version designates NTEP (Legal for Trade) $80.00
GX-04 Comparator Output $170.00
GX-06 Analog Output $540.00
GX-10 Glass Breeze Break 6.4(W) x 7.7(D) x 8.2(H) inches $254.00
SW:128 - Foot Switch $69.00
CC102E Carrying Case for GX/GF Series $150.00
AX-073003691-S - In Use Cover $20.00
AD-8121B Multi-Function Printer $799.00
RS-232 to pc (9 pin connector - DB9) $49.00
RS-232 to pc (25 pin connector - DB25) $49.00
AD-1682 Rechargeable Battery Pack $465.00

   mass weights calibration weight set scale calibration weights

Optional Calibration weight and weight sets includes Certificate of Calibration showing conventional mass correction.

1 mg -100 g 21 piece Ulti Mass $1620.00
1 g -100 g 9 piece Ulti Mass $650.00
50 g ASTM Class 1 (± 0.12 mg) cal mass $95.00
100 g ASTM Class 1 (± 0.25 mg) cal mass $100.00
200 g ASTM Class 1 (± 0.50 mg) cal mass $140.00

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

Cap (g) x Read (g)

MSRP Price
GF-200

210 x 0.001 g

$1149.00 $931.70
GF-300

310 x 0.001 g

$1285.00 $1039.50
GF-400

410 x 0.001 g

$1515.00 $1228.15
GF-600 610 x 0.001 g $2040.00 $1651.65
GF-800 810 x 0.001 g
$2249.00 $1821.05
GF-1000 1100 x 0.001 g $2275.00 $1840.30
GF-1200 1210 x 0.01 g $1099.00 $889.35
GF-2000 2100 x 0.01 g $1149.00 $931.70
GF-3000 3100g x 0.01g $1285.00 $1039.50
GF-4000 4100 x 0.01 g $1620.00 $1312.85
GF-6000 6100g x 0.1g $1515.00 $1228.15
GF-6100 6100 x 0.01 g $2070.00 $1674.75
GF-8000 8100 x 0.1 g $1775.00 $1436.05
 
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