Precision Weighing Balances
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Resolution up to 1/3,200,000! A choice of units of measure: Grams, Milligram, Decimal Ounce, Carat, Pennyweight, Troy Ounce, Grain, Tola, Teal, & Momme Plus: Percentage & Counting.

Experience the newest level of state of the art weighing technology incorporated in the GH Series Analytical Balance from A&D Weighing. Attention to the smallest detail was designed into this premiere analytical balance including anti-static glass. Everyone knows static electricity can cause havoc in your high precision weighing tasks, but almost all analytical manufacturer's just use standard glass in their draftshield. The A&D GH Series is the only analytical balance we know on the market featuring specially coated glass that substantially lessens the effects of static electricity. 

GH-300 lab balance offers 320 gram weighing capacity and increments in 0.1 milligram divisions. One touch automatic calibration function with its motor-driven mass offers you easy and simple calibration for accurate weighing. The balance also incorporates automatic self-calibration when it detects ambient temperature changes. All A&D lab balances also support calibration by a choice of external calibration weights.

Standard RS-232C and WinCT data collection software are included with the balance to allow easy uploading of results for documentation and further analysis. Plus the GH Analytical can be purchased with the optional GH-08 Ethernet interface or use the standard serial interface.

Purchase this lab balance with the optional density determination kit (AD-1653) and finding the density of a substance couldn't be easier. The balance features embedded software for calculating specific gravity by the standard procedure of weighing a sample first in air then submerged in a liquid of known density such as distilled water or alcohol. Those wishing not to spend the money for the AD-1653 can always use the underhook capability for density determination or even weighing magnetic substances.

A&D Analytical Balances are accompanied by the industry leading five-year warranty, assuring long lasting quality and performance. Compare all the features, standard accessories, and price and you'll see it is tough to pass up purchasing any of the A&D Weighing Analytical Balances for your analytical weighing needs.

Never heard of A&D? A&D is currently the world's third largest manufacturer of laboratory and industrial balances with 20% of the world market share. Established in 1977, A&D Company, Ltd. has grown from developing digital-to-analog converters for companies such as Nippon Telegraph & Telephone, to becoming a world class producer of advanced measuring equipment for medicine, science and industry. A&D established itself as a multinational corporation, with offices in the United States, Great Britain, Germany, Australia, Korea, Taiwan and Russia, and as a world leader in measurement equipment. The company's competitive edge is the direct result of its ability to leverage strong engineering and manufacturing capabilities, while incorporating highly accurate analog and digital technologies into broad product lines focused to provide customers with the greatest value.

We understand purchasing a laboratory analytical 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.

Free shipping UPS Ground in the lower 48 states on all GH analytical laboratory balances at

A&D analytical balance GH-300

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Brand Model Capacity Readability
A&D analytical balance GH-300 320 g 0.0001 g
Add. Features
  • Carats
  • Grains
  • Milligrams
  • Ounces
  • Pennyweight
  • Grams
  • Troy Ounces
  • Parts Counting
  • RS-232c
  • Internal Calibration
  • Below Weighing
Comparable Scales

Scientech SA-310IW internal calibration - $3299.95

Scientech SA-410 410g x 0.1mg - $3449.95

A&D analytical balance GH-300 - $3669.00

Ohaus EX324 digital lab balance - $4352.00

A&D HR300i Analytical Balance - $3222.00

Ohaus analytical balance DV314C - $4560.25

A&D HR250AZ pharma balance - $1967.00

Sartorius Cubis MSE324S-100-DU - $6124.50

Sartorius Cubis balance MSU324S-100-DU - $7051.50

Sartorius Cubis MSA324S-100-DU - $7515.00

Sartorius Analytical Balance ENTRIS224-1S - $1661.30

A&D GR-300 lab balance - $3326.00

Other Brands 21 Pc Weight Set Class 1 - $1955.00

Sartorius MSE524S laboratory balance - $7420.50

A&D AD1683 Static Eliminator - $1095.00

Sartorius Practum 224-1S lab balance - $1896.20
MSRP: $4765.00
YOU PAY $3669.00
lab scale
No it's not Girls Gone Wild, but instead a Mettler goes wild with static
Everyone knows static electricity can cause havoc in your high precision weighing tasks, but almost all analytical manufacturer's just use standard glass in their draftshield.  The A&D GH Series is the only analytical balance we know on the market featuring specially coated glass that substantially lessens the effects of static electricity. 

See this impressive video showing the effects of static electricity on a Mettler Toledo Analytical verses the A&D GH Series.  After you view this 26.5MB video we think you'll choose the A&D GH Series over Mettler-Toledo balance for your next lab balance.  The proof starts HERE.

A&D GH-300 Analytical Lab Balance

Regular Price


A&D won't let us advertise a price below $3669.00, but when you click the buy icon your cost will be LOWER. S&H via UPS Ground FREE in the lower 48 states of USA
The GH-300 is a nice analytical balance and has been around for over a decade. Some people comment the GH-300 is outdated and lacks a true USB interface, touchscreen display, SQmin for compliance with regulatory requirements, the GH300 is too large of a footprint consuming limited laboratory bench space. If these issues matter to you then be sure to review the Sartorius Secura 324-1S that offers the lastest in weighing technology.

Weighing Capacity

320 g


0.1 mg

(Std. Deviation)

0.2 mg

Grams (g)

320 x 0.0001

Decimal ounces (oz)

11.29 x 0.00001

Troy ounce (ozt)

10.29 x 0.00001

Pennyweight (dwt)

205.8 x 0.0001

Carat (ct)

1600 x 0.001

Grains (GN)

4938 x 0.002

Tola (t)

27.44 x 0.00001


0.3 mg

Stabilization Time

3.5 seconds

Sensitivity Drift
(10 C-30 C/50 F-86 F)

2 ppm / C
(when automatic self calibration is not used)

Operating Temperature

5 C to 40 C
(41 F to 104 F), 85% RH or less

Sensing Method

Flexure Bearing Magnetic Force Motor

Display Type


Display Refresh rates

5 times/second or 10 times/second

Weighing units and modes

g, mg, oz, ozt, dwt, ct, gn, mm, TL, Ms, t, and percent % and counting PCS

Counting Mode

Minimum unit mass

0.1 mg

Number of samples

10, 25, 50 or 100 pieces

Percent Mode

Mini. 100% reference mass

0.01 g

Min. 100% display

0.01%, 0.1%, 1%
Depends on the reference mass stored

Standard interface

RS-232C Serial interface with Windows Communication Tools (WinCT)

Optional interface

Optional feature must be factory installed when placing order.  Bluetooth Transmitter range 30 feet.  Ethernet net option is a hot seller to view your balance anywhere on your network.


Motorized Internal cal Standard
External cal requires purchase of OPTIONAL
100g, 200g or 300g ASTM class 1 cal mass

Weighing Pan

Ø90mm / 3.6 in Stainless Steel

Physical Dimensions


217 (W) x 442 (D) x 316 (H)


8.54 (W) x 17.4 (D) x 12.24 (H)

Breeze Break Dimensions


183 (W) x 148.5 (D) x 251 (H)


7.2 (W) x 5.84 (D) x 9.88 (H)

AC adapter

100, 120, 220, 240 VAC (AC adapter) 50/60 Hz All balances shipped with 120V AC Adapter. For other voltages add $25.00

Power Consumption

Approx. 11VA (supplied by AC adapter)


5 years manufacturer's warranty

Net Weight

Approx. 8.2 kg / 18.7 lbs

Features - click each icons for more information


Download the GH Instruction Manual (2.0 MB)download manual    The instruction manual contains detail information regarding calibration, additional features and keypad functions.  We also have the manuals for the Density Determination Kit (523KB) to assist in your buying decision.

A&D GH Series Analytical Balances
Download the User Manual (2.0 MB)

(select the model & any of the options to the right and then the "BUY HERE" image)


Aftermarket low cost Specific Gravity Kit $139.95
AD-1653 Density Determination Kit $495.00
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
AD-100-2 Digital Scale Anti-theft Device $73.00
SW:128 - Foot Switch $69.00
TB:137 - 220V AC $49.00
AD-8121B Multi-Function Printer $850.00
RS-232 to pc (9 pin connector - DB9) $35.00

GH-08 - Ethernet interface, factory installation only $650.00
USB to 9 pin RS-232 Converter $53.00
Granite Isolator 13 x 15 inch $569.00

   calibration weights mass set traceable weight weights

Optional Calibration weight and weight sets.

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 1 (± 0.50 mg) with NO Cert $80.00
200g ASTM Class 1 (± 0.50 mg) with NVLAP Cert $235.00
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 Pans
YWP06G Weigh Pan 3.25" Dia. x 0.75" depth $25.00
YWP05G Weigh Pan w/ Spout 3.5" Dia. x 1.75" Depth $50.00
YWP03G Gem Pan w/ 5.25 inch Diameter with 0.8 inch Depth $25.00

analytical balance

Select from 5 different Analyticals to meet your specific weighing needs

Cap (g) x Read (mg)


120 g x 0.1 mg


220 g x 0.1 mg


320 g x 0.1 mg


0-51g x 0.01 mg / 51-220g x 0.1 mg


0-101g x 0.01 mg / 101-250g x 0.1 mg


Need more accuracy? Do you need a 5 decimal place gram balance? The Sartorius Secura and Quintix semi microbalances are amazing. In the YouTube video above you will see the Sartorius Secura225D-1S semi microbalance [0-120g x 0.01mg] [120-220g x 0.1mg]. We highlight the intuitive operation using the SmartTouch user interface that is so easy to use you'll probably never need to reference the user manual. We also demonstrate the ergonomic draftshield and show how easy it is to dismantle the balance for easy cleaning.

Also you'll get a close up view of the new "collection container". The collection container is designed to keep the spill from entering the lab balance that could cause potential damage to the balance. Sartorius' revolutionary "collection container" features a rimmed design to keep the spill from entering if you happen to spill any liquid or granular samples while weighing.

If the Secura225D-1S is more balance than you need for your weighing application then be sure to see the Secura 125-1S, Sartorius Quintix125D-1S or Sartorius Quintix65-1S. Sartorius is our #1 selling laboratory weighing balances since they are the leaders in building high quality weighing instruments.
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